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RT8805 参数 Datasheet PDF下载

RT8805图片预览
型号: RT8805
PDF下载: 下载PDF文件 查看货源
内容描述: 两相通用PWM控制器 [Two Phase General Purpose PWM Controller]
分类和应用: 控制器
文件页数/大小: 15 页 / 377 K
品牌: RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
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Preliminary
RT8805
Power On
No Load
Power Off
I
OUT
= 3A
V
OUT
(1V/Div)
UGATE
(20V/Div)
LGATE
(10V/Div)
I
L
(5A/Div)
Time (100μs/Div)
V
OUT
(1V/Div)
UGATE
(20V/Div)
LGATE
(10V/Div)
I
L
(5A/Div)
Time (1ms/Div)
Short Pulse
Low-Side : IPD06N03
High-Side : IPD09N03
During Soft Start
No Load
Shutdown by SS Pin
UGATE
UGATE-PHASE
PHASE
LGATE
V
OUT
(500mV/Div)
UGATE
(10V/Div)
LGATE
(10V/Div)
(5V/Div)
Time (100ns/Div)
Time (100μs/Div)
Start Up by SS Pin
No Load, C
SS
= 0.1μF
V
IN
= 0V, C
SS
= 0.1μF
UVP
V
OUT
(1V/Div)
LGATE
(10V/Div)
UGATE
(10V/Div)
SS
(1V/Div)
Time (5ms/Div)
V
OUT
(20mV/Div)
SS
(2V/Div)
LGATE
(10V/Div)
UGATE
(1V/Div)
Time (50ms/Div)
DS8805-01
November 2005
www.richtek.com
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