參數(shù)資料
型號(hào): RT8805PQV
廠商: Richtek Technology Corporation
英文描述: Two Phase General Purpose PWM Controller
中文描述: 兩相通用PWM控制器
文件頁(yè)數(shù): 7/15頁(yè)
文件大?。?/td> 387K
代理商: RT8805PQV
RT8805
Preliminary
7
DS8805-01 November 2005
www.richtek.com
Power Off
Time (100
μ
s/Div)
V
OUT
(1V/Div)
UGATE
(20V/Div)
LGATE
(10V/Div)
I
L
(5A/Div)
I
OUT
= 3A
Power On
Time (1ms/Div)
V
OUT
(1V/Div)
UGATE
(20V/Div)
LGATE
(10V/Div)
I
L
(5A/Div)
No Load
Shutdown by SS Pin
Time (100
μ
s/Div)
V
OUT
(500mV/Div)
UGATE
(10V/Div)
LGATE
(10V/Div)
No Load
Start Up by SS Pin
Time (5ms/Div)
V
OUT
(1V/Div)
LGATE
(10V/Div)
SS
(1V/Div)
UGATE
(10V/Div)
No Load, C
SS
= 0.1
μ
F
UVP
Time (50ms/Div)
V
OUT
(20mV/Div)
LGATE
(10V/Div)
SS
(2V/Div)
UGATE
(1V/Div)
V
IN
= 0V, C
SS
= 0.1
μ
F
(5V/Div)
Short Pulse
Time (100ns/Div)
PHASE
LGATE
UGATE
UGATE-PHASE
During Soft Start
Low-Side : IPD06N03
High-Side : IPD09N03
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