APU3137 Advanced Power Electronics Corp., APU3137 Datasheet - Page 4

• Manufacturer Part Number: APU3137
• Description: The APU3137 controller IC is designed to provide a low cost and high performance synchronous Buck regulator for on-board DC to DC converter applications
• Manufacturer: Advanced Power Electronics Corp.

Specifications of APU3137

• Vin(min): 0.8
• Vin(max): 25
• Vout(min): 0.8
• Vout(max): 5
• Iout(max): 15
• Frequency: 200KHz
• Scp: ?
• Package: 8-leads SOIC

APU3137
BLOCK DIAGRAM
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 APU3137.
4.25V
3.5V
Vc
Error Amp
0.4V
Ct
Oscillator
FbLo Comp
Error Comp
Generator
Bias
POR
Reset Dom
S
R
0.8V
3V
POR
Q
2.8V
SS
Vcc
6
5
3
4
HDrv
LDrv
Vc
Gnd
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