L5957 查看數據表（PDF） - STMicroelectronics
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L5957 Datasheet PDF : 16 Pages
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Electrical specifications
Figure 4. Maximum ESR for stability valid for all the regulators outputs
ESR
[Ω]
10
Maximum ESR
5
1
0.5
5
AC00591
Stable region
Minimum ESR
10
100 C [µF]
L5957
Figure 5. Timing diagram of regulators and power switch
VM
VIN1=VIN2
9V
DUMP
8.5V
REG1(8.5V)
3.3V
REG4(3.3V)
ENREG1-4
5V
REG3(5V)
ENREG3
5V
REG2(5V)
VM
POWER SWITCH
9V
EN-SW
18V ≤ VM ≤ 22V
D02AU1420A
10/16
Doc ID 14442 Rev 2
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