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G5330A Dataheets PDF



Part Number G5330A
Manufacturers Global Mixed-mode Technology
Logo Global Mixed-mode Technology
Description High Efficiency 10A Synchronous Buck Converter
Datasheet G5330A DatasheetG5330A Datasheet (PDF)

Global Mixed-mode Technology G5330A High Efficiency 10A Synchronous Buck Converter for 5V System Power Features „ „ „ „ „ „ „ „ „ „ „ „ „ „ „ „ General Description G5330A is a 10A, synchronous DC/DC buck converter with integrated 20mΩ N-channel high-side MOSFET and 8.5mΩ N-channel low-side MOSFET. It uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switc.

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Global Mixed-mode Technology G5330A High Efficiency 10A Synchronous Buck Converter for 5V System Power Features „ „ „ „ „ „ „ „ „ „ „ „ „ „ „ „ General Description G5330A is a 10A, synchronous DC/DC buck converter with integrated 20mΩ N-channel high-side MOSFET and 8.5mΩ N-channel low-side MOSFET. It uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency. The G5330A achieves high efficiency at a reduced cost by eliminating the current-sense resistor found in traditional current-mode PWMs. Single-stage buck conversion allows these devices to directly step down high-voltage batteries for the highest possible efficiency. The built-in 5V LDO supports 80mA for internal circuit with automatic bootstrapping to DC/DC converter output. The G5330A is intended for the 5V system power supply of Notebook Computer. The G5330A is available in QFN4X4-28 package. Ultra-High Efficiency Low Quiescent Current of 40µA Integrated 8.5mΩ at VCC=5V N-Channel MOSFET for Low Side Integrated 20mΩ at VCC=5V N-Channel MOSFET for 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 4.5V to 5.5V Adjustable Output Range 5.5V to 28V Adapter or Battery Input Range Integrated Boost Switch OVP & UVP Over Temperature Protection (non-latch) 3.3ms Soft-Start Power-Good Indicator Fixed 5V, 80mA Bootstrapped Linear Regulator Applications „ „ Notebook Computers I/O Supply „ Networking Power Supply Ordering Information ORDER NUMBER G5330AQN1U Note: QN: QFN4X4-28 1: Bonding Code U : Tape & Reel MARKING 5330A TEMP. RANGE -40°C to +85°C PACKAGE (Green) QFN4X4-28 PGOOD Pin Configuration LDO5 OUT ON5 TON BST 22 FB 27 28 26 25 24 23 21 NC ENL AGND VCC PGND LX LX LX LX 1 2 3 4 5 6 7 8 9 10 13 14 15 11 12 16 20 19 V+ V+ V+ V+ AGND V+ 18 17 LX PGND PGND PGND PGND PGND G5330A QFN4X4-28 Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation. PGND LX LX Ver: 1.0 Feb 14, 2014 TEL: 886-3-5788833 http://www.gmt.com.tw 1 .


D668A G5330A AMT312S


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