GM1117 GM1117V1.01. Features. Description. Application. Typical Application Circuits 1A LOW DROPOUT PRECISION VOLTAGE REGULATOR

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Jasmine Reed
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1 Description The is a positive low dropout regulator and is available in an adjustable version and fixed output voltage from 1.5V to 5.0V. All internal circuitry is designed to operate down to 800mV input to output differential and the dropout voltage is fully specified as a function of load current. On chip trimming adjusts the reference/output voltage to within ± 1%. Current limit is also trimmed in order to minimize the stress on both the regulator and the power source circuitry under overloaded conditions. Features Adjustable or Fixed Output Output Current of 1.0A Dropout Voltage 1.5V 1.0A Line Regulation 0.2% max. Load Regulation 0.4% max. Fast Transient Response Current Limit Protection Thermal Shutdown Protection Application High Efficiency Linear Regulators Post Regulators for Switching Supplies Microprocessor Supply Battery Powered Equipment Reference Voltage Sources Hard Drive Controllers Battery Chargers Adjustable Power Supply Typical Application Circuits V IN V OUT V IN -x.x V OUT C1 R1 133Ω C2 10µF R2 10µF 232Ω C1 10µF C2 10µF Adjustable Regulator R2 V OUT =1.25V ( 1+ R1 ) Fixed Output Voltage Regulator V

2 Marking Information and Pin Configurations (Top View) TO 252 (D-PAK) TO 220 TO 263 (D 2 -PAK) SOT223 VVAYWW VVAYWW VVAYWW 1. Gnd/Adj 2. V OUT 3. V IN VVAYWW 1. Gnd/Adj 2. V OUT 3. V IN 1. Gnd/Adj 2. V OUT 3. V IN 3. V IN 2. V OUT 1. Gnd/Adj VV: Voltage suffix (15 = 1.5V, 50 = 5.0V A = Adj) A: Assembly / Test site code Y: Year WW: Week V1.01 2

3 Ordering Information Ordering Number Output Voltage Package Shipping -AST3T SOT Units/Tube -AST3R SOT-223 2,500 Units / Tape & Reel -ATC3T TO Units/Tube -ATC3R Adj -ATB3T TO Units/Tube -ATA3T 50 Units/Tube -ATA3R -1.5ST3T SOT Units/Tube -1.5ST3R SOT-223 2,500 Units / Tape & Reel -1.5TC3T TO Units/Tube -1.5TC3R 1.5V -1.5TB3T TO Units/Tube -1.5TA3T 50 Units/Tube -1.5TA3R -1.8ST3T SOT Units/Tube -1.8ST3R SOT-223 2,500 Units / Tape & Reel -1.8TC3T TO Units/Tube -1.8TC3R 1.8V -1.8TB3T TO Units/Tube -1.8TA3T 50 Units/Tube -1.8TA3R -2.5ST3T SOT Units/Tube -2.5ST3R SOT-223 2,500 Units / Tape & Reel -2.5TC3T TO Units/Tube -2.5TC3R 2.5V -2.5TB3T TO Units/Tube -2.5TA3T 50 Units/Tube -2.5TA3R V1.01 3

4 Ordering Information (Continued) Ordering Number Output Voltage Package Shipping -2.85ST3T SOT Units/Tube -2.85ST3R SOT-223 2,500 Units / Tape & Reel -2.85TC3T TO Units/Tube -2.85TC3R 2.85V -2.85TB3T TO Units/Tube -2.85TA3T 50 Units/Tube -2.85TA3R -3.0ST3T SOT Units/Tube -3.0ST3R SOT-223 2,500 Units / Tape & Reel -3.0TC3T TO Units/Tube -3.0TC3R 3.0V -3.0TB3T TO Units/Tube -3.0TA3T 50 Units/Tube -3.0TA3R -3.3ST3T SOT Units/Tube -3.3ST3R SOT-223 2,500 Units / Tape & Reel -3.3TC3T TO Units/Tube -3.3TC3R 3.3V -3.3TB3T TO Units/Tube -3.3TA3T 50 Units/Tube -3.3TA3R -5.0ST3T SOT Units/Tube -5.0ST3R SOT-223 2,500 Units / Tape & Reel -5.0TC3T TO Units/Tube -5.0TC3R 5.0V -5.0TB3T TO Units/Tube -5.0TA3T 50 Units/Tube V TA3R 4

5 Absolute Maximum Ratings PARAMETER SYMBOL RATINGS UNITS Input Voltage V IN 7 V Thermal Resistance, Junction to Case SOT TO-252 (D PAK) 6.0 θ JA (D 2 PAK) 3.0 /W Operating Junction Temperature Control Section T J 0 to 125 Power Transistor 0 to 150 Storage Temperature T stg - 60 to 150 Block Diagram V IN V OUT ADJ For fixed output Options GND V1.01 5

6 Electrical Characteristics (T A = 25, unless otherwise noted) Reference Voltage Output Voltage Line Regulation Line Regulation Parameter Symbol Condition Min Typ Max Unit -Adj Adj V REF V OUT V OI V OL V IN = 5V mA I OUT 1.0A, 2.65V V IN 10V V IN = 3.3V mA I OUT 1.0A, 3.3V V IN 10V V IN = 4V mA I OUT 1.0A, 4V V IN 10V V IN = 4.8V mA I OUT 1.0A, 4.8V V IN 10V V IN = 6.5V mA I OUT 1.0A, 6.5V V IN 10V 2.75V VIN 7V 3.3V VIN 7V 4V VIN 7V 4.8V VIN 7V 6.5V VIN 7V V IN = VOUT + 1V 10mA I OUT 1.0A V V %/V %/ma Dropout Voltage V I OUT =1A V Current Limit I CL V IN = VOUT + 3V A Quiescent Current (Fixed Output Voltage Versions) Adjust Pin Current Temperature Coefficient -Adj I Q I Adj V IN = VOUT + 1V 10mA I OUT 1.0A 2.75V VIN 7V V IN = VOUT + 1.5V I OUT = 10mA 7 13 ma µa %/ Thermal Regulation T C T A =25 C, 30ms pulse %/W V1.01 Ripple Rejection R A V IN = VOUT + 1.5V I OUT = 10mA db 6 1

7 Typical Performance Characteristics 0.10 VDROPOUT T CASE = 0 C T CASE = 25 C T CASE = 125 C Output Voltage Deviation (%) I OUT (ma) Figure 1. Dropout Voltage vs. Output Current T J ( C) Figure 2. Reference Voltage vs. Temperature Adjust Pin Current (µa) I O = 10mA Ripple Rejection T CASE = 125 C I O = 10mA V IN = V OUT + 3V V RIPPLE = 1.0V P-P C ADJ = 0.1µF Temperature ( C) Figure 3. Adjust Pin Current vs. Temperature Frequency (Hz) Figure 4. Ripple Rejection vs. Frequency Load Step (ma) Voltage Deviation(mV) V OUT = 3.3V C OUT = C IN = 22µF, Tantalum C Adj = 0.1µF Time (µs) Figure 5. Transient Response ISC (A) V IN V OUT (V) Figure 6. Short Circuit Current vs. V IN -V OUT V

8 Package Outline Dimensions SOT ( ) ( ) ( ) ( ) ( ) ( ) (1.8) MAX (2.29) NOM ( ) NOM (0.31) 10 MAX MIN ( ) 0.81 (4.6) NOM Package Outline Dimensions TO ( ) ( ) ( ) ( ) SEATING PLAN ( ) ( ) V (2.285) TYP (4.570) TYP ( ) ( ) (0.510) MIN ( ) 8

9 Package Outline Dimensions TO (1.524) TYP ( ) ( ) 15 TYP ( ) ( ) ( ) ( ) (1.499) TYP / ( / ) ( ) ( ) (1.270) ( ) V1.01 9

10 Ordering Number GM 1117 A ST3 R APM Gamma Micro Circuit Type Output Voltage A: Adj 1.8 =1.8V 2.5 =2.5V 3.3 = 3.3V 5.0 =5.0V Package Type ST3: SOT223 TA3: TO263 TB3: TO220 TC3: TO252 Shipping Type R: Taping & Reel T: Tube V

AMS1117 1A Adjustable / Fixed Low Dropout Linear Regulator

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