1A Adjustable/Fixed Low Dropout Linear Regulator. Figure 1. Typical Applications of IMP1117
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1 General Description The IMP1117-ADJ and IMP ,-1.5,-1.8,-2.5,-2.85, -3.3 and-5 are low dropout three-terminal regulators with 1A output current capability. These devices have been optimized for low voltage where transient response and minimum input voltage are critical. The 2.85V version is designed specifically to be used in Active Terminators for SCSI bus. On-chip thermal limiting provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures. Unlike PNP type regulators where up to 10% of the output current is wasted as quiescent current, the quiescent current of the IMP1117 flows into the load, increasing efficiency. The IMP1117 series regulators are available in the industry-standard SOT-223 and TO-252 power packages. Key Features - Low dropout voltage - Load regulation: 0.05% typical - Optimized for Low Voltage - On-chip thermal limiting - Standard SOT-223 and TO-252 packages - Three-terminal adjustable or fixed low dropout 1.2V,1.5V,1.8V, 2.5V, 2.85V, 3.3V, 5V. Regulators Applications - Active SCSI terminators - High efficiency linear regulators - Post regulators for switching supplies - Battery chargers - 12V to 5V linear regulators - Motherboard clock supplies Typical Application Figure 1. Typical Applications of Notice: The distance between Vout pin and Capacitor should not exceed 4cm for excellent performance Daily Silver IMP 1
2 Pin Assignments Figure 2. Pin Assignments of *With package soldered to 0.5 square inch copper area over backside ground plane or internal power plane, Θ JA can vary from 30 C/W to more than 50 C/W. Other mounting techniques may provide better thermal resistance than 30 C/W. Absolute Maximum Ratings Parameter Min. Max. Unit VIN 18 V VIN VOUT) * IOUT See Figure 3 Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering, 10 sec.) 300 C C C IOUT A) V IN -V OUT (V) Figure 3. Absolute Maximum Safe Operating Area Daily Silver IMP 2
3 Block Diagram V IN Thermal Limit Current Limit V OUT GND (fixed output) ADJ. (adjustable output) Figure 4. Block Diagram of Substrate Electrical Characteristic Typicals and limits appearing in normal type apply for T J =2.Limits appearing in Boldface type apply over the entire junction temperature for operation,0 to 125 Symbol Parameter Conditions Min Typ Note 1) Max Units V REF Reference Voltage IMP V<=(V IN -V OUT )<=7V,10mA<=I OUT <=1A V I OUT = 10mA, V IN = 3.2V IMP ,2.7V<= V IN <=8.2V V IMP ,3.0V<= V IN <=8.5V V IMP ,3.3V<= V IN <=8.8V V V OUT Output Voltage 10mA<= I OUT <=1A IMP ,4V<= V IN <= 9.5V V IMP , 4.35V <= V IN <= 9.85V V IMP , 4.8V<= V IN <=10.3V V IMP ,6.5V<=V IN <= 12V V Daily Silver IMP 3
4 Electrical Characteristic (Continued) Typicals and limits appearing in normal type apply for T J =2.Limits appearing in Boldface type apply over the entire junction temperature for operation,0 to 125 Symbol Parameter Conditions Line Regultion Note 3) Min Typ Note 1) Max I OUT =10mA,(V OUT +1.5V)<=V IN <=12V Units V OUT Load Regultion Note 3) V IN -V OUT =2V,10mA<= I OUT <=1A, IMP V IN -V OUT =2V,10mA<= I OUT <=1A, V IN -V OUT Dropout Volage I OUT =1A, V REF =1% V Current Limit V IN -V OUT = 2V, TJ= A Minimum Load Current Note 4) IMP1117-ADJ 1.5V<=(V IN -V OUT )<=10V 10 ma Quiescent Curent V IN =V OUT +1.25V 5 13 ma I Limit Thermal Regulation Ripple Rejection T A = 25 C, 30ms pulse W f=120hz,v IN -V OUT =3V, V Ripple =1V PP db Adjust Pin Current µa Adjust Pin Current Change Temperature Stability Long Term Stability 1.5V<=V IN -V OUT <=7V, 10mA<=I OUT <=1A µa 0.5 TA = 125 C, 1000hrs. 0.3 Daily Silver IMP 4
5 Electrical Characteristic (Continued) Typicals and limits appearing in normal type apply for T J =2.Limits appearing in Boldface type apply over the entire junction temperature for operation,0 to 125 Symbol Parameter Conditions Min Typ Note 1) Max Units I Limit RMS Output Noise(% of V OUT ) Thermal Resistance, Junction to Case Note 1: Typical Values represent the most likely parametric norm. Note 2: All limits are guaranteed by testing or statistical analysis. Note 3: Load and line regulation are measured at constant junction room temperature. Note 4: The minimum output current required to maintain regulation. T A = 25 C, 10Hz<= f <=10kHz SOT /W TO W Thermal Shutdown Junction Temperature 155 Thermal Shutdown Hysteresis 25 Typical Performance Characteristics Dropout Voltage ( V ) Figure 5. Dropout Voltage VS. Output Current Output Current ( A ) 0.10 Output Voltage Deviation ( % ) Figure 6. Load Regulatioin VS. Temperature Daily Silver IMP 5
6 Typical Performance Characteristics (Continued) ReferenceVoltage( V ) Output Voltage( V ) 3.70 Figure 7. Reference Voltage VS. Temperature Figure 8. Output Voltage VS. Temperature Minimum Load Current( ma ) ADJ Pin Current( µa ) 100 Note: IMP1117 Only Figure 9. Minimum Load Current VS. Temperature Figure 10. ADJ Pin Current VS. Temperature Daily Silver IMP 6
7 Typical Performance Characteristics (Continued) 2.0 Short Circuit Current ( A ) Ripple Rejection ( db ) V IN -V OUT =3V 0.5V<V Ripple< 2V I OUT =1A K 10K 100K Frequency ( Hz ) Figure 11. Short-Circuit Current VS. Temperature Figure 12. Ripple Rejection VS. Temperature V IN =12V 10mA<I OUT <I MAX Power ( W )5 2.5 TO-252 SOT-223 Output Cap`s ESR ( mω ) Instability Region V IN =5V Region of Stability (SOA) Case Temperature ( ) V OUT ( V ) Figure 13. Maximum Power VS. Dissipation Figure 14. Stability Region (SOA) VS. the C OUT Daily Silver IMP 7
8 Mechanical Dimensions 4-Lead SOT-223 Package Inches Millimeters Symbol Notes Min. Max. Min. Max. A Ñ 071 Ñ 1.80 A1 Ñ 181 Ñ 4.80 B c Ñ 0.90 Ñ 2.29 D E e F H I 0121 Ñ 310 Ñ J Ñ 10 Ñ 10 K L M N Figure Lead SOT-223 Package Daily Silver IMP 8
9 Mechanical Dimensions (Continued) 3-Lead TO-252 Package Inches Millimeters Symbol Notes Min. Max. Min. Max. A b b b c c D E e 090 BSC 2.29 BSC H L L1 108 REF 2.74 REF L L Notes: 1. Dimensions are exclusive of mold flash, metal burrs or interlead protrusion. 2. Stand off-height is measured from lead tip with ref. to Datum B-. 3. Foot length is measured with ref. to Datum A with lead surface. 4. Thermal pad contour optional within dimension b3 and L3. 5. Formed leads to be planar with respect to one another at seating place C-. 6. Dimensions and tolerances. Figure Lead TO-252 Package Daily Silver IMP 9
10 Ordering Information Package Temperature Range Part Number Output Voltage Packing Marking Transport Media SOT 223 TO IMP1117AS12X/T 1.2V 1117-S12 3K Tape and Reel IMP1117AS15X/T 1.5V 1117-S15 3K Tape and Reel IMP1117AS18X/T 1.8V 1117-S18 3K Tape and Reel IMP1117AS25X/T 2.5V 1117-S25 3K Tape and Reel IMP1117AS285/T 2.85V 1117-S28 3K Tape and Reel IMP1117AS33/T 3.3V 1117-S33 3K Tape and Reel IMP1117AS5X/T 5V 1117-S50 3K Tape and Reel IMP1117ASX/T Adjust 1117SADJ 3K Tape and Reel IMP1117AD12X/T 1.2V 1117-D12 2.5K Tape and Reel IMP1117AD15X/T 1.5V 1117-D15 2.5K Tape and Reel IMP1117AD18X/T 1.8V 1117-D18 2.5K Tape and Reel IMP1117AD25X/T 2.5V 1117-D25 2.5K Tape and Reel IMP1117AD285/T 2.85V 1117-D28 2.5K Tape and Reel IMP1117AD33/T 3.3V 1117-D33 2.5K Tape and Reel IMP1117AD5X/T 5V 1117-D50 2.5K Tape and Reel IMP1117ADX/T Adjust 1117DADJ 2.5K Tape and Reel ISO 9001 Registered Daily Silver IMP Microelectronics Co.,Ltd 7 keda Road,Hi-Tech Park, NingBo,Zhejiang,P.R.C Post Code: Tel:(086) Fax:(086) sales@ds-imp.com.cn The IMP logo is a registered trademark of Daily Silver IMP. All other company and product names are trademarks of their respective owners Printed in china Revision: F Issue Date: 16th.May.08 Type: Product Daily Silver IMP 10
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MP20045 Low Noise, 1A Linear Regulator DESCRIPTION The MP20045 is a low-dropout linear regulator supplies up to 1A current with 140mV dropout voltage. The output voltage is set externally which ranges
A P X X X. Lead Free L : Lead Free G : Green (Note 1)
Lead-free AP Features General Description.3V maximum dropout at full load current Fixed.V±% output voltage Fast transient response Output current limiting Built-in thermal shutdown Good noise rejection
MCP1700. Low Quiescent Current LDO. General Description. Features. Applications. Package Types. Related Literature. 3-Pin TO-92
Low Quiescent Current LDO Features 1.6 µa Typical Quiescent Current Input Operating Voltage Range: 2.3V to 6.0V Output Voltage Range: 1.2V to 5.0V 250 ma Output Current for output voltages 2.5V 200 ma
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
FEATURES 3.3 PT5110E89C PT5110E89C PT5110E89C PT5110E89C-50
GENERAL DESCRIPTION The PT5110 is a low-dropout voltage regulator designed for portable applications that require both low noise performance and board space. The PT5110 s is ideal for battery powered systems
Fast Ultra High-PSRR, Low-Noise, 300mA CMOS Linear Regulator. Features
Fast Ultra High-PSRR, Low-Noise, 300mA CMOS Linear Regulator General Description The features ultra-high power supply rejection ratio, low output voltage noise, low dropout voltage, low quiescent current
Advanced Monolithic Systems
Advanced Monolithic Systems FEATURES 5V Version Available* Output Current of 1mA Very Low Quiescent Current Reverse Battery Protection Input-output Differential less than.6v Short Circuit protection Internal
AP1117 1A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR. Pin Assignments. Description. Features. Applications SOT89-3L.
Description is a low dropout positive adjustable or fixed-mode regulator with A output current capability. The product is voltage specifically designed to provide well-regulated supply for low IC applications
500mA Low Noise LDO with Soft Start and Output Discharge Function
500mA Low Noise LDO with Soft Start and Output Discharge Function Description The is a family of CMOS low dropout (LDO) regulators with a low dropout voltage of 250mV at 500mA designed for noise-sensitive
SGM mA, High Voltage Regulators
Preliminary Datasheet SGM2203 GENERAL DESCRIPTION The SGM2203 series is a set of low power high voltage regulators implemented in CMOS technology which can provide 150mA output current. The device allows
RT9187B. 600mA, Ultra-Low Dropout, Ultra-Fast CMOS LDO Regulator. General Description. Features. Applications. Ordering Information RT9187B
6mA, Ultra-Low Dropout, Ultra-Fast CMOS LDO Regulator General Description The is a high-performance, 6mA LDO regulator, offering extremely high PSRR and ultra-low dropout. This chip is ideal for portable
300mA, Micropower, VLDO Linear Regulator UM375xxS SOT23-5 UM375xxP SOT353
300mA, Micropower, VLDO Linear Regulator UM375xxS SOT23-5 UM375xxP SOT353 General Description The UM375xx series are VLDO (very low dropout) linear regulators designed for low power portable applications.
78xx. Positive-Voltage Regulator. Pin Description V IN V OUT C IN C OUT OUT GND IN OUT GND IN
Positive-oltage Regulator Description The 78xx series are fixed-voltage monolithic integrated circuit voltage regulators designed for wide range of applications. Each of these regulators can deliver up
LP38842-ADJ 1.5A Ultra Low Dropout Linear Regulators. Stable with Ceramic Output Capacitors. Features
1.5A Ultra Low Dropout Adjustable Linear Regulators General Description The LP38842-ADJ is a high current, fast response regulator which can maintain output voltage regulation with minimum input to output
AME. Low Dropout 1A CMOS Regulator AME8827. General Description. Typical Application. Features. Function Block Diagram. Applications AME8827
General Description The family of positive, CMOS linear regulators and provide low dropout voltage (340mV @ 1A) and excellent PSRR, thus making them ideal for power-saving systems. These rugged devices
MIC Features. General Description. 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.
SPX mA Low-Noise LDO Voltage Regulator GENERAL DESCRIPTION APPLICATIONS FEATURES TYPICAL APPLICATION DIAGRAM
July 2018 Rev. 2.0.4 GENERAL DESCRIPTION The is a positive voltage regulator with a low dropout voltage and low noise output. In addition, this device offers a very low ground current of 800μA at 100mA
STLQ ma ultra-low quiescent current LDO. Description. Features. Applications
200 ma ultra-low quiescent current LDO Datasheet - production data Features Operating input voltage range: 2 V to 5.5 V Output current up to 200 ma Ultra-low quiescent current: 300 na typ. at no load (ADJ
RT9064. Ultra Low Power, 14V, 200mA Low-Dropout Linear Regulator. General Description. Features. Pin Configurations. Applications
RT9064 Ultra Low Power, 14V, 200mA Low-Dropout Linear Regulator General Description The RT9064 is a low-dropout (LDO) linear regulator that features high input voltage, low dropout voltage, ultra-low operating
Not Recommended for New Design
Features.4V maximum dropout at full load current Fast transient response Output current limiting Built-in thermal shutdown Packages: TO22-5, TO252-5, TO263-5, SOP8 Good noise rejection Fixed Output.5V,.8V,
UNISONIC TECHNOLOGIES CO., LTD
UNISONIC TECHNOLOGIES CO., LTD 3-TERMINALS 0.5A POSITIVE VOLTAGE REGULATOR DESCRIPTION SOT-223 TO-25 The UTC family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications
VIN VOUT GND SHDN V SHDN AIC1730. Low Noise Low Dropout Linear Regulator
150mA, Low Noise, Low Dropout Linear Regulator FEATURES Available in ±2% Output Tolerance. 1.8V to 3.3V Output Voltage with 0.1V Increment. Active Low Shutdown Control. Very Low Quiescent Current. Very
50 ma, High Voltage, Micropower Linear Regulator ADP1720
5 ma, High Voltage, Micropower Linear Regulator ADP72 FEATURES Wide input voltage range: 4 V to 28 V Maximum output current: 5 ma Low light load current: 28 μa at μa load 35 μa at μa load Low shutdown
Description. Table 1. Device summary. Order codes Output voltage
High input voltage 85 ma LDO linear regulator Applications Datasheet - production data Mobile phones Industrial battery-powered systems Features 4.3 V to 24 V input voltage 3x3 Low-dropout voltage (500
V OUT. Speed control voltage (V SET. Package Code. K : SOP-8 Operating Ambient Temperature Range I : -40 to 85 C Handling Code TR : Tape & Reel
Low Dropout 6mA Linear Regulator for DC Fan Control Features Low Dropout Voltage: mv (typical) @ 6mA Low Quiescent Current: 4mA Selectable Adjustable/Full Speed Mode O/I Voltage Ratio in Adjustable Mode
UNISONIC TECHNOLOGIES CO., LTD
UNISONIC TECHNOLOGIES CO., LTD LOW DROP FIXED AND ADJUSTABLE POSITIE OLTAGE REGULATORS DESCRIPTION The UTC LD1117/A is a low dropout, 3-terminal positive voltage regulator designed to provide output current