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GM7130HV-5.0TA5TG Datasheet(PDF) 1 Page - Gamma Microelectronics Inc. |
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GM7130HV-5.0TA5TG Datasheet(HTML) 1 Page - Gamma Microelectronics Inc. |
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1 / 9 page  1 GM7130HV 3A STEP DOWN VOLTAGE SWITCHING REGULATORS Preliminary Information www.gammamicro.com.tw Application Pre-regulator for linear regulators High-efficiency step-down buck regulator On-card/board switching regulators Positive to negative converter (buck-boost) Description GM7130HV series is designed to provide all the active function for a step-down (buck) switching regulator, and drives a maximum load current as high as 3A line and load regulations. GM7130HV is available in fixed output voltages of 3.3V, 5V, 12V and a versatile Adjustable output version. These regulators are simple to use and require minimum number of external components. The features include internal frequency compensation and a fixed-frequency oscillator. The GM7130HV is high-efficiency replacements for popular three-terminal linear regulators, and is requiring a smaller heat sink or even no need heat sink. GM7130HV performs well with standard inductors from most of manufacturers, and simplifying the design of switch-mode power supplies. External shutdown is included with 80 µA (typical) standby current. The output switch has cycle-by-cycle current limiting as well as thermal shutdown for full protection under fault conditions. GM7130HV operates at a switching frequency of 52 kHz which allowing smaller size filter components than what would be needed with lower frequency switching regulators. GM7130HV series are available in a standard 5- lead TO-220, TO220B and TO263 packages. Features 3.3V, 5V, 12V and Adjustable output versions Adjustable version output voltage range 1.23V to 57V VOUT accuracy is up to ±2% under specified input voltage the output load conditions Input voltage range up to 60V Requires only 4 external components with High efficiency TTL shutdown capability, low power standby mode Built-in thermal shutdown, current limit protection Uses standard inductors 52 kHz fixed frequency internal oscillator Typical Application Circuits 7V – 40V Unregulated DC Input CIN 100µF VIN GM7130HV-5.0 Feedback Output L1 100µH 5V regulated outpu t, COUT 680µF D1 1N5822 GND 1 4 5 3 5 ON/OFF |
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