IRU3137CS IRF [International Rectifier], IRU3137CS Datasheet - Page 4
IRU3137CS
Manufacturer Part Number
IRU3137CS
Description
8-PIN SYNCHRONOUS PWM CONTROLLER
Manufacturer
IRF [International Rectifier]
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IRU3137
BLOCK DIAGRAM
4
POR
SS/SD
Comp
Vcc
Fb
0.8V
2
8
1
7
20uA
3V
25K
25K
64uA Max
Figure 2 - Simplified block diagram of the IRU3137.
4.25V
3.5V
Vc
Error Amp
0.4V
Ct
Oscillator
www.irf.com
FbLo Comp
Error Comp
Generator
Bias
POR
Reset Dom
S
R
0.8V
3V
POR
Q
2.8V
SS
Vcc
6
5
3
4
Rev. 1.0
06/22/04
HDrv
LDrv
Vc
Gnd
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