APU3137 Advanced Power Electronics Corp., APU3137 Datasheet - Page 14

• 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
TYPICAL APPLICATION
47pF
68pF
C15
C16
R4
R5
1K
1K
0.1uF
3300pF
6800pF
0.15uF
C12
C14
Figure 12 - Typical application of APU3137 for DDR memory when the termination voltage,
C8
12K
C6
20K
R6
R2
0.1uF
0.1uF
C1
C9
SS
V
V
SS
Rt
Comp
Comp
REF
P
Gnd
APU3038
APU3137
Vcc
Vcc
5V
5V
Gnd
U1
U2
generated by APU3038, tracks the core voltage.
Vc
Vc
PGnd
HDrv
HDrv
LDrv
LDrv
Fb
Fb
12V
C2
1uF
12V
C10
1uF
D1
1N4148
D2
1N4148
Q2
IRF3711S
Q1
IRF3711S
R3
1K
Q3
IRF7460
Q4
IRF7457
R1
1K
C5
4x 150uF
6TPB150M
C11
3x 150uF
6TPB150M
2.2uH
2.2uH
1uH
L3
L1
L2
C4
47uF
C7
3x 330uF
6TPC330M
C13
3x 330uF
6TPC330M
(0.9V @ 10A)
1.8V @ 15A
V
5V
V
TT
DDQ
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