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G5330A PDF даташит

Спецификация G5330A изготовлена ​​​​«Global Mixed-mode Technology» и имеет функцию, называемую «High Efficiency 10A Synchronous Buck Converter».

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Номер произв G5330A
Описание High Efficiency 10A Synchronous Buck Converter
Производители Global Mixed-mode Technology
логотип Global Mixed-mode Technology логотип 

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G5330A Даташит, Описание, Даташиты
Global Mixed-mode Technology
G5330A
High Efficiency 10A Synchronous Buck Converter
for 5V System Power
Features
„ 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
Pin Configuration
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 con-
stant on-time control scheme to handle wide in-
put/output voltage ratios with ease and provides 100ns
instant-onresponse to load transients while main-
taining a relatively constant switching frequency. The
G5330A achieves high efficiency at a reduced cost by
eliminating the current-sense resistor found in tradi-
tional current-mode PWMs. Single-stage buck conver-
sion allows these devices to directly step down
high-voltage batteries for the highest possible effi-
ciency. The built-in 5V LDO supports 80mA for internal
circuit with automatic bootstrapping to DC/DC con-
verter output. The G5330A is intended for the 5V sys-
tem power supply of Notebook Computer. The
G5330A is available in QFN4X4-28 package.
TEMP.
RANGE
-40°C to +85°C
PACKAGE
(Green)
QFN4X4-28
ENL 1
AGND 2
VCC 3
PGND 4
LX 5
LX 6
LX 7
LX 8
AGND
V+
LX
20 V+
19 V+
18 V+
17 V+
Ver: 1.0
Feb 14, 2014
G5330A QFN4X4-28
Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation.
TEL: 886-3-5788833
http://www.gmt.com.tw
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Номер в каталогеОписаниеПроизводители
G5330AHigh Efficiency 10A Synchronous Buck ConverterGlobal Mixed-mode Technology
Global Mixed-mode Technology
G5330AQN1UHigh Efficiency 10A Synchronous Buck ConverterGlobal Mixed-mode Technology
Global Mixed-mode Technology

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