5V/12V Single Synchronous Buck Controller
GS72V3SP-R GS72V3SP-R.pdf

No.10562

FEATURES

• 300KHz Constant Switching Frequency

• VBAT Rang= 4.5V~13.2V

 Support 0.6V Internal Reference Voltage

• 0-80% Duty Cycle

• Soft-Start Circuit Built-In

• Short Circuit Protection

• Under Voltage Protection and Over Voltage Protection

 Flexible Over Current Protection Setting

• Thermal Fault Protection

 Integrated Bootstrap Diode

DESCRIPTION

The GS72V3 is a single buck controller working in a voltage mode with fixed 300 kHz frequency. It allows wide input voltage which is either a single 5~12V or two supply voltages for various applications, and the output voltage can be precisely regulated to as low as 0.6V with a maximum tolerance of ±1.0%.

The GS72V3 is equipped with accurate current-limit, under-voltage output and over-voltage output protections. Otherwise, It includes internal soft-start and built-in bootstrap diode to simplify the circuit design.

The GS72V3 is available in a simple PSOP-8 Package.

APPLICATION CIRCUIT
PIN CONFIGUTION
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