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G5321

更新时间: 2024-01-19 22:54:53
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描述
Current Mode Boost Controller

G5321 数据手册

  
G5321  
Global Mixed-mode Technology  
Current Mode Boost Controller  
Features  
„ Input Voltage: 4.5V to 27V  
General Description  
The G5321 is a wide input voltage (4.5V to 27V),  
non-synchronous boost controller. It is suitable for  
topologies including boost, flyback, SEPIC and  
various LED Driver applications which require a  
grounded source N-channel FET. The device fea-  
tures include programmable soft start, over current  
protection with automatic retry, programmable os-  
cillator frequency and integrated Low-side driver.  
Current mode control provides improved transient  
response and simplified loop compensation.  
„
Adjustable Oscillator Frequency  
Fixed Frequency Current Mode Control  
„
„ Integrated Low-Side Driver  
Programmable Soft Start  
Over Current Protection  
„
„
Reference 700mV  
„
„ Low Power Shutdown Function  
Applications  
„
LED Lighting  
„ Industrial Control Systems  
„ Battery Powered Systems  
Ordering Information  
ORDER  
NUMBER  
G5321P71U  
TEMP.  
RANGE  
PACKAGE  
(Green)  
MARKING  
G5321  
-40°C to +125°C  
MSOP-10  
Note:P7:MSOP-10  
1: Bonding Code  
U: Tape & Reel  
Pin Configuration  
Typical Application Circuit  
VIN  
RVDD  
CVDD  
10Ω  
1µF  
G5321  
1
2
10  
VOUT  
VDD  
BP  
RC  
SS  
1
2
3
4
5
10 VDD  
RC  
SS  
9
9
8
7
6
BP  
G5321  
GDRV  
ISNS  
GND  
SHDN  
COMP  
FB  
3
4
8
SHDN  
GDRV  
7
COMP  
ISNS  
RSENSE  
6
MSOP-10  
GND  
5
FB  
Ver: 0.1  
Aug 21, 2012  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
1

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