参数资料
型号: L5973AD
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 2.3 A SWITCHING REGULATOR, PDSO8
封装: EXPOSED PAD, HSOP-8
文件页数: 8/22页
文件大小: 486K
代理商: L5973AD
Application ideas
L5973AD
16/22
Doc ID 9552 Rev 9
6
Application ideas
Figure 13.
Positive buck-boost regulator
Figure 14.
Buck-boost regulator
Figure 15.
Dual output voltage with auxiliary winding
D03IN1455
8
4
5
1
7
L5973AD
C1
10
μF
10V
CERAMIC
C2
10
μF
25V
CERAMIC
C5
100
μF
16V
VOUT=-12V/
0.6A
VIN = 5V
2.7K
24K
R3
4.7K
C4
22nF
C3
220pF
3
L1 15
μH
D1
STPS2L25U
COMP
VCC
OUT
FB
GND
INH
2
6
3.3V
SYNC.
VREF
D03IN1456
8
4
5
1
7
L5973AD
C1
10
μF
25V
CERAMIC
C5
47
μF
10V
C4
100
μF
10V
VOUT=3.3V/
0.5A
VOUT1=5V/
50mA
VIN = 5V
R3
4.7K
C3
22nF
C2
220pF
3
Lp 22
μH
N1/N2=2
D1
STPS25L25U
D2
1N4148
COMP
VCC
OUT
FB
GND
INH
2
6
3.3V
SYNC.
VREF
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