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GM1117-5.0 Datasheet(PDF) 1 Page - Gamma Microelectronics Inc. |
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GM1117-5.0 Datasheet(HTML) 1 Page - Gamma Microelectronics Inc. |
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1 / 13 page  High Efficiency Linear Regulators Post Regulators for Switching Supplies Microprocessor Supply Description GM1117 of positive adjustable and fixed regulators is de- signed to provide 1.0A output with low dropout voltage per- formance. On-chip trimming adjusts the reference voltage to 1%. For usage on working in post regulators or micro- processor power supplies, low voltage operation and fast transient response are required. Pin-to-pin compatible with the LT1086 family of regulators, GM1117 is available in surface-mount SOT-223 and TO- 252 packages. Application Features Adjustable or Fixed Output Output Current of 1.0A Dropout Voltage (Typical) 1.15V @ 1.0A Line Regulation 0.2% max. Load Regulation 0.4% max. Fast Transient Response Current Limit Protection Thermal Shutdown Protection TYPICAL APPLICATION CIRCUITS Hard Drive Controllers Battery Chargers Adjustable Power Supply (Adjustable Version) VOUT GND VIN GM1117-3.3 (Fixed Version) www.gammamicro.com 1 + + C1 10µF Tant C2 10µF Tant. Min V = 3.3V OUT V > 4.75V IN VOUT ADJ VIN + + C1 10µF Tant C2 10µF Tant. Min V = 3.45V OUT V > 4.75V IN GM1117-Adj R1 133W 1.0% R2 232W 1.0% 2 3 1 2 3 1 Notes: 1. C1 needed if device is far from filter capacitors 2. C2 minimum value required for stability V V R2 = X (1 + ) + I X OUT REF ADJ R2 R1 A A MICROELECTRONICS GM1117 1.0A LOW DROPOUT PRECISION LINEAR REGULATORS Power Management |
Similar Part No. - GM1117-5.0 |
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