参数资料
型号: GM3255S8R
厂商: American Power Management Inc.
元件分类: DC/DC变换器
英文描述: 1.5A 280kHz DC-DC CONVERTOR BOOST REGULATOR
中文描述: 1.5A的为280kHz的DC - DC转换器升压稳压器
文件页数: 6/19页
文件大小: 234K
代理商: GM3255S8R
Figure 18. Additional Application Diagram, 5.0V to -12V/ 75mA
Inverting Converter
+
G
M
3
2
5
C2
D2
C3
D1
C4
R2
1
2
3
4
5
6
7
8
22F
VOUT
-12 V
VC
Test
NFB
SS
0.01F
C1
VSW
VCC
AGND
PGND
VCC
SS
5.0 V
5.0 k
R1
R3
1.27 k
4.87 k
MBRS120T3
L1
22F
22H
22F
GM3255
3.3 VIN
VC (1)
FB (2)
0.1 F
VCC (5)
AGND (6)
PGND (7)
VSW (8)
200 pF
MBRS120T3
22 F
22 H
Figure 17. Additional Application Diagram, 3.3 V Input, 5.0 V/ 400mA
Output Boost Converter
10 F
GND
5.0 k
3.6 k
GND
5.0 VO
1.3 k
G
M
3
2
5
14
Figure 19. Additional Application Diagram, 2.7 to 13 V Input, ±12 V/ 200 mA Output
Flyback Converter
GM3255
F
+
+12 V
VC (1 )
FB (2)
VCC (5)
AGND (6)
PGND (7)
VSW (8)
MBRS140T3
22
47
1.0
GND
2.0 k
10.72 k
GND
1.28 k
47
47 nF
4.7 nF
VCC
-12 V
T1
1:2
P6KE-15A
1N4148
MBRS140T3
+
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