150mA Low Noise LDO Regulator
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- Patrick Powers
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1 5mA Low Noise LDO Regulator TJ525 FEATURES Ultra Low Noise Output High Output Voltage Accuracy Guaranteed 5mA Output Maximum Output Voltage of Adjustable type is 8.5V. Low Quiescent Current Low Dropout Voltage Extremely Tight Load and Line Regulation Very Low Temperature Coefficient Current and Thermal Limiting Reverse-battery Protection Zero off-mode Current Logic-controlled Enable Moisture Sensitivity Level 3 SOT-23 5L SOP-8PP APPLICATION Cellular Telephones Laptop, Notebook, and Palmtop Computers Battery-powered Equipment PCMCIA V CC and V PP Regulation/Switching Consumer/Personal Electronics SMPS Post-regulator/DC to DC Modules ORDERING INFORMATION Device TJ525SF5-X.X TJ525SF5-ADJ TJ525DP-X.X TJ525DP-ADJ Package SOT-23 5L SOP-8PP High-efficiency Linear Power Supplies X.X = Output Voltage = 2.5, 2.7, 2.8, 2.85, 2.9, 3., 3.3, 3.6, 3.8, 4., 5. DESCRIPSION The TJ525 is an efficient linear voltage regulator with ultra low-noise output, very low dropout voltage (typically 7mV at light loads and 65mV at 5mA), and very low ground current (6µA at ma output). The TJ525 offers better than % initial accuracy. Designed especially for hand-held, battery-powered devices, the TJ525 includes a CMOS or TTL compatible enable/shutdown control input. When shutdown, power consumption drops nearly to zero. Regulator ground current increases only slightly in dropout, further prolonging battery life. Key TJ525 features include a reference bypass pin to improve its already excellent low-noise performance, reversed-battery protection, current limiting, and over temperature shutdown. The TJ525 is available in fixed and adjustable output voltage versions in SOT-23-5 PKG and SOP-8PP PKG. And adjustable type s maximum output voltage is 8.5V. (Note ) Absolute Maximum Ratings CHARACTERISTIC SYMBOL MIN. MAX. UNIT Input Supply Voltage V IN V Enable Input Voltage V EN V Lead Temperature (Soldering, 5 sec) T SOL - 26 Storage Temperature Range T STG Operating Junction Temperature Range T JOPR Jan. 2 - Rev HTC
2 5mA Low Noise LDO Regulator TJ525 (Note 2) Operating Ratings CHARACTERISTIC SYMBOL MIN. MAX. UNIT Input Voltage V IN V Enable Input Voltage V EN 6 V Operating Junction Temperature Range T JOPR Ordering Information V OUT Package Order No. Description Supplied As Status ADJ 2.5V 2.7V 2.8V 2.85V 2.9V 3.V 3.3V 3.6V 3.8V 4.V 5.V SOT-23 5L TJ525SF5-ADJ 5mA, Adjustable, Enable Reel Active SOP-8PP TJ525DP-ADJ 5mA, Adjustable, Enable Reel Active SOT-23 5L TJ525SF5-2.5V 5mA, Enable, BYP Reel Contact us SOP-8PP TJ525DP-2.5V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-2.7V 5mA, Enable, BYP Reel Active SOP-8PP TJ525DP-2.8V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-2.8V 5mA, Enable, BYP Reel Active SOP-8PP TJ525DP-2.85V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-2.85V 5mA, Enable, BYP Reel Contact us SOP-8PP TJ525DP-2.5V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-2.9V 5mA, Enable, BYP Reel Contact us SOP-8PP TJ525DP-2.9V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-3.V 5mA, Enable, BYP Reel Active SOP-8PP TJ525DP-3.V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-3.3V 5mA, Enable, BYP Reel Active SOP-8PP TJ525DP-3.3V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-3.6V 5mA, Enable, BYP Reel Active SOP-8PP TJ525DP-3.6V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-3.8V 5mA, Enable, BYP Reel Contact us SOP-8PP TJ525DP-3.8V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-4.V 5mA, Enable, BYP Reel Contact us SOP-8PP TJ525DP-4.V 5mA, Enable, BYP Reel Contact us SOT-23 5L TJ525SF5-5.V 5mA, Enable, BYP Reel Active SOP-8PP TJ525DP-5.V 5mA, Enable, BYP Reel Contact us Jan. 2 - Rev HTC
3 5mA Low Noise LDO Regulator TJ525 Ordering Information (Continued) TJ 525 Output Voltage : ADJ / 2.5V / 2.7V / 2.8V / 2.85V / 2.9V / 3.V / 3.3V / 3.6V / 3.8V / 4.V / 5.V Package Type Root Name Product Code SF5 : SOT-23-5L { DP : SOP-8PP PIN CONFIGURATION VOUT BYP/ADJ VOUT N.C N.C 2 3 Thermal PAD VIN GND N.C VIN GND EN BYP/ADJ 4 5 EN SOT-23 5L SOP-8PP PIN DESCRIPTION Pin No. Pin Name SOT-23 5LEAD Pin Function Pin No. Pin Name SOP-8PP 8 LEAD Pin Function V IN Supply Input V OUT Output Voltage 2 GND Ground 2/ 3/ 6 N.C Not Connect 3 EN Enable/Shutdown (Input): CMOS compatible input. Logic high=enable, Logic low or open=shutdown 4 BYP / ADJ Reference Bypass or Output Adjust 4 BYP / ADJ Reference Bypass or Output Adjust 5 EN Enable/Shutdown (Input): CMOS compatible input. Logic high=enable, Logic low or open=shutdown 5 V OUT Output Voltage 7 GND Ground V IN Supply Input Jan. 2 - Rev HTC
4 5mA Low Noise LDO Regulator TJ525 BLOCK DIAGRAM [ Ultra-Low-Noise Fixed LDO Regulator ] [ Ultra-Low-Noise Adjustable LDO Regulator ] Jan. 2 - Rev HTC
5 5mA Low Noise LDO Regulator TJ525 TYPICAL APPLICATION - Typical Fixed Output Application - Typical Adjustable Output Application * Note) BYP pin can be left open if low noise operation is not required. V OUT = V REF (+R2/R) V REF =.242V V OUT(min) = 2.V Jan. 2 - Rev HTC
6 5mA Low Noise LDO Regulator TJ525 ELECTRICAL CHARACTERISTICS V IN =V OUT +V ; I L =ua ; C L =.uf; V EN 2.V ; T J =25 C, bold values indicate -4 C T J +25 C; unless noted. PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Output Voltage Tolerance (Note 4) V O Variation from specified V OUT % Adjustable Pin Voltage (ADJ version) V ADJ.242 V Output Voltage Temp. Coefficient ΔV O /ΔT (Note 5) 4 ppm/ Line Regulation ΔV LINE V IN = V OUT + V to 6V %/V Load Regulation ΔV LOAD I L =.ma to 5mA (Note 6) % I L = ua 5 7 (Note 7) Dropout Voltage V DROP I L = 5 ma I L = ma mv I L = 5 ma Quiescent Current I GND V EN.4V (Shutdown) V EN.8V (Shutdown). 5 ua V EN 2.V, I L = ua (Note 8) Ground Pin Current I GND I L = 5mA I L = ma ua I L = 5mA Ripple Rejection PSRR frequency = Hz, I L = ua 75 db Current Limit I LIMIT V OUT = V 32 6 ma Thermal Regulation (Note 9).5 %/W Output Noise e no I L =5mA, C L =2.2μF, 47pF from BYP to GND 26 nv Hz Jan. 2 - Rev HTC
7 5mA Low Noise LDO Regulator TJ525 Enable Input PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Enable Input Logic-Low Voltage V IL Regulator Shutdown.4.8 V Enable Input Logic-High Voltage V IH Regulator enabled 2. V Enable Input Current I IL I IH VIL.4V VIL.8V VIH 2.V VIH 2.V ua ua Note. Note 2. Note 3. Note 4. Note 5. Note 6. Note 7. Note 8. Note 9. Exceeding the absolute maximum rating may damage the device. The device is not guaranteed to function outside its operating rating. The maximum allowable power dissipation at any T A (ambient temperature) is P D (max)=(t J (max) T A )+ θ JA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. The θ JA of the TJ525-XX (all versions) is 22 C/W mounted on a PC board The TJ525-ADJ has V REF =.242V±%, but minimum output voltage for TJ525-ADJ must be above V OUT min=2.v. Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range. Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the load range from.ma to 5mA. Changes in output voltage due to heating effects are covered by the thermal regulation specification. Dropout Voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at V differential. Ground pin current is the regulator quiescent current plus pass transistor base current. The total current drawn from the supply is the sum of the load current plus the ground pin current. Thermal regulation is defined as the change in output voltage at a time t after a change in power dissipation is applied, excluding load or line regulation effects. Specifications are for a 5mA load pulse at for t = ms. Jan. 2 - Rev HTC
8 5mA Low Noise LDO Regulator TJ525 TYPICAL OPERATING CHARACTERISTICS I OUT = µa C OUT = µf - E+ E+2E+3 k E+4E+5 k k E+6E+7 M M I OUT = µa -8 C BYP =.µf - E+ E+2E+3 k E+4E+5 k k E+6E+7 M M RIPPLE REJECTION (db) Ripple Rejection vs. Voltage Drop 6 5 ma 4 3 ma I 2 OUT = ma C OUT = µf VOLTAGE DROP (V) I OUT = ma C OUT = µf - E+ E+2E+3 k E+4E+5 k k E+6E+7 M M I OUT = ma C BYP =.µf - E+ E+2E+3 k E+4E+5 k k E+6E+7 M M RIPPLE REJECTION (db) Ripple Rejection vs. Voltage Drop ma ma I OUT = ma C BYP =.µf VOLTAGE DROP (V) -2-2 Turn-On Time vs. Bypass Capacitance I OUT = ma C OUT = µf - E+ E+2E+3 k E+4E+5 k k E+6E+7 M M -4-6 I OUT = ma -8 C BYP =.µf - E+ E+2E+3 k E+4E+5 k k E+6E+7 M M TIME (µs) CAPACITANCE (pf) Jan. 2 - Rev HTC
9 5mA Low Noise LDO Regulator TJ525 TYPICAL OPERATING CHARACTERISTICS (Continued) I OUT = ma C OUT = µf - E+ E+2E+3 k E+4 k E+5 k E+6 M M E I OUT = ma -8 C BYP =.µf - E+ E+2E+3 k E+4 k E+5 k E+6 M M E+7 DROPOUT VOLTAGE (mv) Dropout Voltage vs. Output Current +25 C +25 C 4 C OUTPUT CURRENT (ma)... ma C OUT = µf C BYP = nf ma, C OUT = µf. E+E+2 E+3 k E+4E+5 k k E+6E+7 M M.. ma ma ma. C OUT = µf electrolytic. E+E+2 E+3E+4 k k E+5E+6 k M E+7 M. ma ma.. C OUT = 22µF tantalum ma C BYP = nf. E+E+2 E+3E+4 k k E+5E+6 k M E+7 M. ma. V ma OUT = 5V C OUT = µf. electrolytic ma C BYP = pf. E+E+2 E+3E+4 k k E+5E+6 k M E+7 M. ma ma. ma C OUT = µf. electrolytic C BYP = nf. E+E+2 E+3E+4 k k E+5E+6 k M M E+7. ma. ma. C OUT = µf electrolytic ma C BYP = nf. E+E+2 E+3E+4 k k E+5E+6 k M E+7 M Jan. 2 - Rev HTC
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Ultra low dropout, 500mA, CMOS LDO Http://www.sh-willsemi.com Descriptions The series are ultra low dropout, Low quiescent current, high PSRR CMOS LDO. The dropout voltage is 130mV (Typ.) at 500mA load
Features. Applications. Adjustable Regulator Application. (*See Minimum Load Current Section)
3A, Low Voltage µcap LDO Regulator General Description The is a 3A low-dropout linear voltage regulator that provides a low voltage, high current output with a minimum of external components. It offers
MIC5225. General Description. Features. Applications. Typical Application. Ultra-Low Quiescent Current 150mA µcap Low Dropout Regulator
Ultra-Low Quiescent Current 15mA µcap Low Dropout Regulator General Description The is a 15mA highly accurate, low dropout regulator with high input voltage and ultra-low ground current. This combination
RT mA, 0.5% Accuracy Low Dropout, Ultra Low Noise Voltage Regulator. Features. General Description. Applications. Ordering Information
3mA,.5% Accuracy Low Dropout, Ultra Low Noise Voltage Regulator General Description The RT95 is a high-performance, 3mA LDO regulator, offering extremely high PSRR and ultra-low dropout. The RT95 is Ideal
3-TERMINAL 0.1A POSITIVE VOLTAGE REGULATOR
3-TERMINAL 0.1A POSITIE OLTAGE REGULATOR FEATURES Output Current Up to 100 No External Components Internal Thermal Overload Protection Internal Short-Circuit Limiting Output oltage of 5, 6, 8, 9, 10, 12,
ACE533J 500mA, Micropower, VLDO Linear Regulator
Description The ACE533J series are VLDO (very low dropout) linear regulators designed for low power portable applications. Typical output noise is only 100μV RMS (Fixed Output, V OUT =1.0V) and maximum
Low Noise 300mA LDO Regulator General Description. Features
Low Noise 300mA LDO Regulator General Description The id9301 is a 300mA with fixed output voltage options ranging from 1.5V, low dropout and low noise linear regulator with high ripple rejection ratio
MIC37150/51/52/53. General Description. Features. Applications. Typical Application. 1.5A, Low Voltage µcap LDO Regulator
1.5A, Low Voltage µcap LDO Regulator General Description The Micrel is a 1.5A low-dropout linear voltage regulator that provides a low voltage, high current output with a minimum of external components.
1A L.D.O VOLTAGE REGULATOR
FEATURES Output Current up to 1 A Low Dropout Voltage (1.2V at 1A Output current) Three Terminal Adjustable(ADJ) or Fixed 1.2V, 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V Line Regulation typically at 0.1% max.
WL2803E WL2803E. Descriptions. Features. Order Information. Applications. Ultra low dropout, 500mA, CMOS LDO.
Ultra low dropout, 500mA, CMOS LDO Http://www.sh-willsemi.com Descriptions The series are ultra low dropout, Low quiescent current, high PSRR CMOS LDO. The dropout voltage is 130mV (Typ.) at 500mA load
MIC5271. Applications. Low. output current). Zero-current off mode. and reduce power. GaAsFET bias Portable cameras. le enable pin, allowing the user
µcap Negative Low-Dropout Regulator General Description The is a µcap 100mA negativee regulator in a SOT-23-this regulator provides a very accurate supply voltage for applications that require a negative
Features. MIC5301-x.xYMT EN BYP GND. Portable Application
Single, 1mA µcap ULDO General Description The is a high performance, single output ultra low LDO (ULDO ) regulator, offering low total output noise. The is capable of sourcing 1mA output current and offers
RT mA, Low Input Voltage, Low Dropout, Low Noise Ultra- Fast Without Bypass Capacitor CMOS LDO Regulator. General Description.
Applications CDMA/GSM Cellular Handsets Portable Information Appliances Laptop, Palmtops, Notebook Computers Hand-Held Instruments Mini PCI & PCI-Express Cards PCMCIA & New Cards RT9030 150mA, Low Input
Features ENABLE SHUTDOWN. Ultra-Low-Noise Regulator Application
5mA Low Noise µcap CMOS LDO General Description The is an efficient, precise CMOS voltage regulator optimized for ultra-low-noise applications. It offers % initial accuracy, extremely-low dropout voltage
RT mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator. General Description. Features. Applications. Ordering Information. Marking Information
3mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator General Description The is designed for portable RF and wireless applications with demanding performance and space requirements. The performance is optimized
1A L.D.O VOLTAGE REGULATOR
FEATURES Output Current up to 1 A Low Dropout Voltage (1.2V at 1A Output current) Three Terminal Adjustable(ADJ) or Fixed 1.2V, 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V Line Regulation typically at 0.1% max.
3.0A Low Output Voltage Ultra LDO Regulator TJ47300
FEATURES Works with 1.25V ~ 5.5V V IN Ultra Low Dropout Voltage Low Quiescent Current Excellent Line and Load Regulation Guaranteed Output Current of 3.0A Adjustable Output Voltage Down to 0.8V Power OK
Ultra-Low Noise Ultra-Fast 300mA LDO Regulator. Features
Ultra-Low Noise Ultra-Fast 300mA LDO Regulator General Description The is a 300mA, low dropout and low noise linear regulator with high ripple rejection ratio and fast turn-on time. It offers 1% initial
MP20142 Dual Channel, 200mA Linear Regulator With Programmable Output Voltage and Output Discharge
The Future of Analog IC Technology MP20142 Dual Channel, 200mA Linear Regulator With Programmable Output Voltage and Output Discharge DESCRIPTION The MP20142 is a dual-channel, low noise, low dropout and
DUAL CHANNEL LDO REGULATORS WITH ENABLE
DUAL CHANNEL LDO REGULATORS WITH ENABLE FEATURES DESCRIPTION Input Voltage Range : 2.5V to 6V The is a high accurately, low noise, high Varied Fixed Output Voltage Combinations ripple rejection ratio,
500mA CMOS Ultra Low Dropout Linear Regulator
500mA CMOS Ultra Low Dropout Linear Regulator Description The series are 500mA CMOS ultra low dropout positive voltage regulators which operate from 2.4V to 5.5V input supply. The ultra low dropout linear
RT mA, Low Dropout, Low Noise Ultra-Fast With Soft Start CMOS LDO Regulator. General Description. Features. Applications
RT92 5mA, Low Dropout, Low Noise Ultra-Fast With Soft Start CMOS LDO Regulator General Description The RT92 is a high-performance, 5mA LDO regulator, offering extremely high PSRR and ultra-low dropout,
MP2009 Ultra-Low-Noise Low-Dropout, 120mA Linear Regulator
MP2009 Ultra-Low-Noise Low-Dropout, 120mA Linear Regulator DESCRIPTION The MP2009 is an ultra low noise, low dropout linear regulator. The output voltage of MP2009 ranges from 1.5V to 4.5V in 100mV increments
EUP A Ultra Low-Dropout Linear Regulator DESCRIPTION FEATURES APPLICATIONS. Typical Application Circuit
1A Ultra Low-Dropout Linear Regulator DESCRIPTION The is a 1A low-dropout linear regulator that provides a low voltage, high current output with minimum external components. The features include precision
LD3985. Ultra low drop and low noise BiCMOS voltage regulators. Features. Description
Ultra low drop and low noise BiCMOS voltage regulators Datasheet - production data Features Input voltage from 2.5 V to 6 V Stable with low ESR ceramic capacitors Ultra low-dropout voltage (60 mv typ.
2.0A Low Output Voltage Ultra LDO Regulator TJ2132
FEATURES Works with 1.1V ~ 5.5V V Ultra Low Dropout Voltage Low Quiescent Current Excellent Line and Load Regulation Guaranteed Output Current of 2.0A Adjustable Output Voltage Down to 0.6V Power OK Signal
MIC5317. Features. General Description. Applications. Typical Application. High-Performance Single 150mA LDO
High-Performance Single 150mA LDO General Description The is a high performance 150mA low dropout regulator offering high power supply rejection (PSRR) in an ultra-small 1mm 1mm package for stringent space
A6303A CMOS LOW DROPOUT REGULATOR (LDO) 300mA ULTRA-LOW NOISE, ULTRA-FAST RESPONSE
DESCRIPTION The is designed for portable RF and wireless applications with demanding performance and space requirements. The performance is optimized for battery powered systems to deliver ultra low noise
1A L.D.O VOLTAGE REGULATOR
FEATURES Output Current up to 1A MLCC, Aluminum electrolytic capacitor applicable Three Terminal Adjustable(ADJ) or Fixed 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5.0V Line Regulation typically at 0.1% max. Load
BL9193 FEATURES DESCRIPTION APPLICATIONS ORDERING INFORMATION TYPICAL APPLICATION. Ultr. ast CMOS
FEATURES a-low Noise for RF Application a-f Response in Line/Load Transient Quick Start-Up (Typically 50µS)
A6318. AiT Semiconductor Inc. APPLICATION ORDERING INFORMATION
DESCRIPTION The is designed for portable RF and wireless applications with demanding performance and space requirements. The performance is optimized for battery-powered systems to deliver ultra low noise
3A, 52kHz, Step-down Switching Regulator LM2576HV
3A, 52kHz, Step-down Switching Regulator LM2576H FEATURES Step-down Switching Regulator Adjustable ersion Output oltage Range, 1.23 to 52 ± 4% Max over Line and Load conditions Guaranteed Output Current
Features. Applications. RF Power Supply Circuit
High Performance, Low Noise Dual 500mA ULDO General Description The is a tiny Dual Ultra Low Dropout (ULDO ) linear regulator ideally suited for portable electronics due to its low output noise. The provides
MIC5387. Features. General Description. Applications. Typical Application. Ultra-Small Triple 150mA Output LDO
Ultra-Small Triple Output LDO General Description The is an advanced, general-purpose, triple linear regulator offering high power supply rejection (PSRR) in an ultra-small, 6-pin, 1.6mm x 1.6mm Thin MLF
RT mA, Low Input Voltage, Low Dropout, Low Noise Ultra- Fast Without Bypass Capacitor CMOS LDO Regulator. General Description.
RT9030 150mA, Low Input Voltage, Low Dropout, Low Noise Ultra- Fast Without Bypass Capacitor CMOS LDO Regulator General Description The RT9030 is a high-performance, 150mA LDO regulator, offering extremely
RT9198/A. 300mA, Low Noise, Ultra-Fast CMOS LDO Regulator. General Description. Ordering Information RT9198/A- Features. Marking Information
RT9198/A 3mA, Low Noise, Ultra-Fast CMOS LDO Regulator General Description The RT9198/A is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9198/A
Features. Applications
High Input Voltage Low IQ µcap LDO Regulator General Description The is a 100mA highly accurate, low dropout regulator with high input voltage and ultra-low ground current. This combination of high voltage
1A L.D.O VOLTAGE REGULATOR
FEATURES Output Current up to 1 A Low Dropout Voltage (1.2V at 1A Output current) Three Terminal Adjustable(ADJ) or Fixed 1.2V, 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V Line Regulation typically at 0.1% max.