iru3137 International Rectifier Corp., iru3137 Datasheet - Page 4
![no-image](/images/manufacturer_photos/0/3/339/international_rectifier_corp__sml.jpg)
iru3137
Manufacturer Part Number
iru3137
Description
8-pin Synchronous Pwm Controller
Manufacturer
International Rectifier Corp.
Datasheet
1.IRU3137.pdf
(19 pages)
- Current page: 4 of 19
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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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