LINEARINTEGRATEDCIRCUIT TL1117 1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR DESCRIPTION FEATURES APPLICATIONS ABSOLUTE MAXIMUM RATINGS TO-220
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1 A LOW DROPOUT POSITIVE VOLTAGE REGULATOR DESCRIPTION The is aa low-dropout positive voltage regulator. It is available in fixed and adjustable output voltage versions. Over-current and thermal protection are integrated onto the chip. Output current will decrease while it reaches the pre-set current or temperature limit. The dropout voltage is specified at.2v Maximum at full rated output current. Series provides excellent regulation over line, load and temperature variations. FEATURES * Low dropout voltage...2v at A * Adjustable or fixed voltages * Typical line regulation % * Typical load regulation % * Adjust pin current less than 90mA * Over-current protection * Thermal protection APPLICATIONS TO-220 * High Efficiency Linear Regulators * 5V to 3.3V Voltage Converter * Battery Charger * Post Regulators for Switching supplies ABSOLUTE MAXIMUM RATINGS Characteristic Symbol Value Unit Input Voltage 5 V Thermal Resistance (Junction to Case) Thermal Resistance (Junction to Ambient) SOT * TO-252 JC 5 TO SOT * TO-252 JA 56 TO C/W Operating Junction Temperature Range TJ 0 ~ 25 Storage Temperature Range TSTG -65 ~ 50 C Lead Temperature ( 0 sec ) TLEAD 260 * Surface Mounted on 4 layers board based on JEDIC standard JC5.
2 FUNCTIONAL BLOCK DIAGRAM Input Current Limiting Amplifier Thermal Protection Output Error Amp. Bandgap Reference ADJ/COM Figure PIN CONFIGURATION TO-220 Front View TO-252 Top View SOT-223 Top View : GND/ADJ 2: VOUT 3: : GND/ADJ 2: VOUT 3: : GND/ADJ 2: VOUT 3: 2
3 ELECTRICAL CHARACTERISTICS 7ACCT (Adjustable Version) Characteristic Symbol Test Condition Min Typ. Max Unit Reference voltage VREF =5V, TJ= IO=0mA Over Temp V =4.75~7V,IO=0mA TJ= Line regulation * RegLINE =4.75~5V,IO=0mA TJ= Over Temp. 0.4 % Load regulation RegLOAD =5V,IO=0mA~A TJ= Over Temp Dropout voltage VD IO=0mA~A,Vo=% Over Temp..0.2 V Current limit IS =2.75~7V Over Temp..0 A Temperature coefficient TC =2.75~7V,IO=0mA~A %/ TJ=25 55 Adjust pin current IADJ =2.75~7V, IO=0mA~A Over Temp. 90 Adjust pin current change IADJ =2.75~7V, IO=0mA~A, Over Temp Temperature stability TS =2.75~7V, IO=0mA~A, Over Temp. 0.5 % Minimum load current IO =5V 5 0 ma RMS output noise VN TJ= %Vo Ripple rejection ratio RA =5V, IO=A, Over Temp db µa 7lCCCT (Fixed 3.3V Output Version) Characteristic Symbol Test Condition Min Typ. Max Unit Output voltage Vo =5V,IO=0A TJ= Over Temp V =4.75~7V,IO=0A TJ= Line regulation * RegLINE =4.75~5V,IO=0A TJ= Over Temp. 0.4 % Load regulation RegLOAD =5V,IO=0A~A TJ= Over Temp Dropout voltage VD IO=0A~A,Vo=%, Over Temp..0.2 V (To be continued) 3
4 (continued) Characteristic Symbol Test Condition Min Typ. Max Unit Current limit IS =4.75~7V,Over Temp., Over Temp..0 A Quiescent Current lq =5V,IO=0A~A, Over Temp. 6 3 ma Temperature coefficient TC =4.75~7V,IO=0A~A %/ Temperature stability TS =5V, IO=00mA~A, Over Temp. 0.5 % RMS output noise VN TJ= %Vo Ripple rejection ratio RA =5V, IO=A, Over Temp db * Line regulation test circuit 3 IN ADJ OUT 2 00 VOUT 0µ Tan 64 0µ Tan TYPICAL APPLICATION 4.75V to 5V 0µF Tan 0µF Tan Load Input range depends on Vo. Please refer to electrical characteristics 4
5 PERFORMANCE CHARACTERISTICS.Load regulation Output Voltage deviation( ) Temperature stability Tenperature ( ) 2.Short circuit current Shot Circuit Current ( A ) Dropout voltage Input/Output Differential ( V ) Reference Voltage ( V ) Temperature ( ) Minmum Input/Output Differential ( V ) Output Current ( A ) 5.Adjust pin current Adjust Pin Current (µa ) Temperature ( ) 7.Load transient response Output 0. Voltage 0 Deviation (V) -0. Load Current (A) 2 0 Cin=0UF Vo Cout=0UF Cout=UF Cout=0UF Io Vin=5V Vo=3.3V Preload=00mA Time ( vs) 6.Minimum operating current Minimum Operating Current ( ma) Input/Output Differential ( V ) 8.Line transient response 30mV 0-30mV 6V 5V Line Transient Response Vo=Deviation Cin=Co=IUF Io=0.A Vo=3.3V Vin Time (µs ) 5
6 ORDERING INFORMATION PART NUMBER OUTPUT VOLTAGE PACKAGE MARKING OPERATING TEMP. RANGE ACGT.30 to 2.0 ABE### 0 Cto =25 C SOT-223 CCGT 3.3 ABF### 0 C to =25 C ACCT.30 to 2.0 TO-252 ACCT #### 0 C to =25 C CCCT 3.3 (DPAK) CCCT #### 0 C to =25 C ACBT.30 to 2.0 TO-220 ACBT #### 0 C to =25 C CCBT 3.3 CCBT #### 0 C to =25 C # represents the date code APPLICATION DESCRIPTIONS. Output voltage adjustment Like most regulators, the regulates the output by comparing the output voltage to an internally generated reference voltage. On the adjustable version, the VREF is available externally as.25v between VOUT and ADJ. The voltage ratio formed by R and R2 should be set to conduct 0mA (minimum output load). 3 IN IADJ 50µ A ADJ OUT 2 VREF R VOUT The output voltage is given by the following equation: R2 R V OUT=V REF(+ )+LADJR2 R2 On fixed versions of, the voltage divider is provided internally. R V OUT=V REF(+ )+LADJR2 R2 2.Thermal Protection has thermal protection which limits junction temperature to 50 C. However, device functionality is only guaranteed to a maximum junction temperature of +25 C. The power dissipation and junction temperature for in DPAK package are given by P D=(V IN-V OUT)L OUT T JUNCTION=T AMBIENT+(P D JA) Note: T JUNCTION must not exceed 25 C 3.Current Limit Protection is protected against overload conditions. Current protection is triggered at typically.5a.. 6
7 4.Stability and Load Regulation requires acapacitor from VOUTto GND to provide compensation feedback to the internal gain stage. This is to ensure stability at the output terminal. Typically, a 0 F tantalum of 50F aluminum electrolytic is sufficient. Note: It is important that the ESR for this capacitor does not exceed 0.5Ω. The output capacitor does not have a theoretical upper limit and increase stability. C OUT=00F ormoreis 3 IN ADJ OUT 2 RP Parasitic Line Resistance R (connect R to case) RL typical for high current regulator design. For the adjustable version, the best load regulation is accomplished when the top for the resistor divider (R) Connect R2 to load is connected directly to the output pin of the. When so connected, R P is not multiplied by the divider ratio. For fixed output versions, the top of R is internally connected to the output and ground pin can be connected to low side of the load. 5.Thermal Consideration The series contain thermal limiting circuitry designed to protect itself for over-temperature conditions, maximum junction temperature ratings must not be exceeded. As mention in thermal protection section, we need to consider all sources of thermal resistance between junction and ambient. It includes junction-to-case, case-to-heatsink interface and heat sink thermal resistance itself. Junction-to-case thermal resistance is specified from the IC junction to the bottom of the case directly below the die. Proper mounting is required to ensure the best possible thermal flow from this area of the package to the heat sink. The case of all devices in this series is electrically connected to the output. Therefore, if the case of the device must be electrically isolated, a thermally conductive spacer is recommended. 7
8 ADVANCED APPLICATIONS Adjustable Output Voltage ACCT * Vo=.5~3.45V 0µF R 0µF ** R2 2K K 0µF *V O=Vref(+R2/R)+IadjR2 **Optional for improved ripple rejection Paralleling Regulators * 20mΩ Vo Io=0 to 2A 0µF 0µF * 20mΩ *20m is ballast resistance The inter-connection of #8 wire could act as ballast resistance. Regulator with Reference *Vo 0µF K ** zener Diode or 0µF Voltage Reference 0µF *V O=Vref+V Z (V Z is breakdown voltage of zneer Diode) ** Optional for improved ripple rejection 8
9 Regulator with Reverse Diode Protection *Vo 0µF K 00µF 9
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1.5A LOW DROPOUT VOLTAGE CMOS REGULATOR Description Pin Assignments The is a 1.5A CMOS LDO regulator that features a low quiescent current and low dropout voltages, as well as over temperature shutdown.
Advanced Monolithic Systems
Advanced Monolithic Systems FEATURES Fixed and Adjustable Versions Available Output Current up to Very Low Reverse Battery Protection Input-output Differential less than.6v Short Circuit Protection Internal
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
AME. General Description. Functional Block Diagram. Features. Typical Application. Applications
8850 General Description Functional Block Diagram The 8850 family of positive, linear regulators feature low quiescent current (30µA Typ.) with low dropout voltage, making them ideal for battery applications.
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
AP1117. General Description. Features. Applications. Typical Application Circuit. Note: R 1A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR
AP7 Features General Description.4V Maximum Dropout at Full Load Current Fast Transient Response Output Current Limiting Built-in Thermal Shutdown Good Noise Rejection 3-Terminal Adjustable or Fixed.5V,.8V,.5V,
DESCRIPTION FEATURES APPLICATIONS TYPICAL APPLICATION TYPICAL ELECTRICAL CHARACTERISTIC LESHAN RADIO COMPANY, LTD. 1A Bipolar Linear Regulator LR1117C
1A Bipolar Linear Regulator DESCRIPTION LR1117C is a series of low dropout three- terminal regulators with a dropout of 1.3V at 1A load current. LR1117C features a very low standby current 2mA compared
NJM2887 ADJUSTABLE LOW DROPOUT VOLTAGE REGULATOR
ADJUSTABLE LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM887 is an adjustable low dropout voltage regulator with ON/OFF control. Advanced Bipolar technology achieves low noise, high ripple rejection
DROPOUT VOLTAGE REGULATOR
ch LOW DROPOUT VOLTAGE REGULATOR! GENERAL DESCRIPTION! PACKAGE OUTLINE The is a ch low dropout voltage regulator with ON/OFF control. Advanced Bipolar technology achieves low noise, high ripple rejection
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
150mA, Low-Dropout Linear Regulator with Power-OK Output
9-576; Rev ; /99 5mA, Low-Dropout Linear Regulator General Description The low-dropout (LDO) linear regulator operates from a +2.5V to +6.5V input voltage range and delivers up to 5mA. It uses a P-channel
Distributed by: www.jameco.com 1-800-831-4242 The content and copyrights of the attached material are the property of its owner. LM138/LM338 5-Amp Adjustable Regulators General Description The LM138 series
8.5A LOW DROPOUT POSITIVE REGULATORS P R O D U C T I O N D ATA S H E E T
L DOC #: 8582 -xx 8.5A LOW DROP POSITIVE REGULATORS T HE I N F I N I T E P O W E R OF I N N O V A TION DESCRIPTION KEY FEATURES The series ICs are low dropout three-terminal positive regulators with 8.5A
LM mA Low-Dropout Linear Regulator
LM1117 800mA Low-Dropout Linear Regulator General Description The LM1117 is a series of low dropout voltage regulators with a dropout of 1.2 at 800mA of load current. It has the same pin-out as National
GM6155 GM6155V1.01. Description. Features. Application. Typical Application Circuits. 150mA LOW NOISE CMOS LDO WITH ENABLE FUNCTION
Description GM6155 is a high efficient CMOS LDO with features as such ultra low noise output, ultra low dropout voltage (typically 17mV at light load and 165mV at 50mA load), and low ground current (600µA
A1117A BIPOLAR LDO REGULATOR 1A CURRENT LIMIT AND THERMAL PROTECTION
DESCRIPTION is a series of low dropout three-terminal regulators with a typical dropout of 1.3V at 1A load current. Besides fixed voltage version (VOUT = 1.2V, 1.5, 1.8V, 2.5V, 3.3V, 5V), has an adjustable
High Input Voltage, Low Quiescent Current, Low-Dropout Linear Regulator. Applications
High Input Voltage, Low Quiescent Current, Low-Dropout Linear Regulator General Description The is a high voltage, low quiescent current, low dropout regulator with 150mA output driving capacity. The,
November 2011 Rev FEATURES. Fig. 1: XRP6272 Application Diagram
November 2011 Rev. 1.2.0 GENERAL DESCRIPTION The XRP6272 is a low dropout voltage regulator capable of a constant output current up to 2 Amps. A wide 1.8V to 6V input voltage range allows for single supply
BL mA 3-Pin, Ultra Fast, Ultra Low Dropout High PSRR CMOS LDO Regulator
GND FEATURES Ultra-Fast Response in Line/Load Transient Low Dropout:210mV@300mA Wide Operating Voltage Range:2V to 6V Wide Output Voltage Range:1.2V to 5V Low Temperature Coefficient Current Limiting Protection
1.5A Adjustable Positive Voltage Regulator TL A Adustable Positive Voltage Regulator. General Description. Features. Ordering Information
1.5A Adjustable Positive Voltage Regulator 1.5A Adustable Positive Voltage Regulator General Description The is adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5A over
LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL PIN FUNCTION 1. V IN 2. ON/OFF CONTROL 3. V OUT 4. N.C. 5. GND NJM2388F. Overvoltage.
NJM8/88 LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL GENERAL DESCRIPTION The NJM8/88 is a general purpose low dropout voltage regulators with ON/OFF control. The output current is up to.a and dropout
Power Management GL6010 SERIES
General Description Key Features The GL600 is a A CMOS LDO regulator that features a low quiescent current, ultra low input, output and dropout voltages, as well as over temperature shutdown. It is available
LM79XX Series 3-Terminal Negative Regulators
3-Terminal Negative Regulators General Description The LM79XX series of 3-terminal regulators is available with fixed output voltages of 5V, 12V, and 15V. These devices need only one external component
LM150/LM350A/LM350 3-Amp Adjustable Regulators
LM150/LM350A/LM350 3-Amp Adjustable Regulators General Description The LM150 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 3A over a 1.2V to 33V output
Features V OUT C BYP. Ultra-Low-Noise Regulator Application
MIC525 MIC525 5mA Low-Noise LDO Regulator Final Information General Description The MIC525 is an efficient linear voltage regulator with ultralow-noise output, very low dropout voltage (typically 7mV at
ACE V Input Linear Regulator
Description is a three-terminal positive regulator with an output voltage of 5.0V and output current up to 150mA. The device features a typical output tolerance of ±3%. And its input voltage can stand