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Part No.	G5312
Manufacturer	GMT
Size	95 Kbytes
Pages	1 page
Description	High Efficiency 8A Synchronous Buck Converter

Datasheet Summary with AI

# Global Mixed-mode Technology G5312
## High Efficiency 8A Synchronous Buck Converter

Features

️· Ultra-High Efficiency
️· Integrated 20mΩ N-Channel MOSFET (Low & High Side)
️· No Current-Sense Resistor (Lossless ILIMIT)
️· Quasi-PWM with 100ns Load-Step Response
️· 1% VOUT Accuracy Over Line and Load
️· Programmable Switching Frequency
️· Adjustable Output Range from 0.75V
️· 4.5V to 28V Input Range
️· Integrated Boost Switch
️· OVP & UVP
️· Over Temperature Protection (non-latch)
️· 3.3ms Soft-Start
️· Power-Good Indicator
️· Fixed 5V, 20mA Linear Regulator

Applications

️· LCD Monitors/TVs
️· Notebook Computers
️· I/O Supply
️· Chipset/RAM Supply (as low as 0.75V)
️· Networking Power Supplies

General Description

️· 8A synchronous DC/DC buck converter.
️· Integrated 20mΩ N-channel MOSFETs.
️· Constant on-time control scheme.
️· Single-stage buck conversion for high efficiency.
️· Available in QFN4X4-28 package.

Ordering Information

ORDER NUMBER MARKING TEMP. RANGE PACKAGE

G5312QN1U 5312 -40°C to +85°C QFN4X4-28

G5312QN2U 5312 -40°C to +85°C QFN4X4-28

*Note: QN: QFN4X4-28; U: Tape & Reel*

Pin Configuration

️· Refer to pinout diagrams for specific pin assignments (ILIM, AGND, V5V, PGND, LX, V+, TON, FB, VCC, EN, BST, PGOOD, NC).
️· Recommend connecting Thermal Pad to Ground for power dissipation.

ORDER NUMBER	MARKING	TEMP. RANGE	PACKAGE
G5312QN1U	5312	-40°C to +85°C	QFN4X4-28
G5312QN2U	5312	-40°C to +85°C	QFN4X4-28