參數(shù)資料
型號: IR3651STRPBF
廠商: International Rectifier
英文描述: HIGH VOLTAGE SYNCHRONOUS PWM BUCK CONTROLLER
中文描述: 高壓同步PWM降壓控制器
文件頁數(shù): 3/19頁
文件大?。?/td> 397K
代理商: IR3651STRPBF
IR3651SP
b
F
10/11/2006
Block Diagram
Fig. 1: Simplified block diagram of the IR3651
3
64uA Max
POR
Oscillator
Error Amp
Ct
Error Comp
Reset Dom
Vcc
Gnd
4.17V
0.25V
GBias
3V
1.25V
POR
SS/SD
Fb
Comp
25K
25K
3V
R
S
Q
SYNC
Vb
Rt
4
3
1
2
8
11
13
Vcc
DELAY
UV
DETECT
UV Q
S
R
UV
DETECT
HIGH
VOLTAGE
LEVEL
SHIFT
CIRCUIT
LOW
VOLTAGE
SHIFT
LOW
VOLTAGE
SHIFT
HDrv
9
Vs
10
DRVcc
7
LDrv
6
PGND
5
Vcc
1.25V
14
Rt
10uA
OCset
12
OCP
3uA
OCP
20uA
0.3V
SS
Q
R
S
POR
PBias
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