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GS2576

Globaltech
Part Number GS2576
Manufacturer Globaltech
Description 52kHz 3A Step-Down Voltage Regulator
Published Oct 2, 2013
Detailed Description 52kHz 3A Step-Down Voltage Regulator Product Description The GS2576 series of regulators are monolithic integrated circu...
Datasheet PDF File GS2576 PDF File

GS2576
GS2576

Overview
52kHz 3A Step-Down Voltage Regulator Product Description The GS2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down switching regulator, capable of driving 3A load with excellent line and load regulation.
This device is available in fixed output voltages of 3.
3V, 5V and an adjustable output version.
Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation and a fixed-frequency oscillator.
The GS2576 series offers a high-efficiency replacement for popular three-terminal linear regulators.
It substantially reduces the size of the heat sink, and in some cases no heat sink is required.
A standard series of inductors optimized for use with the GS2576.
This feature greatly simplifies the design of switch-mode power supplies.
Other features include a guaranteed ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency.
External shutdown is included, featuring 50µA (typical) standby current.
The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions.
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Features            3.
3V, 5V and adjustable output versions Adjustable version output voltage range, 1.
23V to 37V ± 4% max over line and load conditions Guaranteed 3A output current 40V wide input voltage range Requires only 4 external components 52 kHz fixed frequency oscillator TTL shutdown capability, low power standby mode High efficiency Uses readily available standard inductors Thermal shutdown and current limit protection Applications     Simple high-efficiency step-down regulator On-card switching regulators Positive to negative converter Efficient pre-regulator for linear regulators Block Diagram Unregulated DC Input +VIN 1 Internal Regulator ON / OFF 5 ON / OFF CIN FEEDBACK 4 R2 Fixd Gain Error Amplifier Comparator Dr...


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