L5957 STMicroelectronics, L5957 Datasheet - Page 10

• Manufacturer Part Number: L5957
• Description: IC VREG MULTIFUNCT MULTIWATT15
• Manufacturer: STMicroelectronics
• Series: -r

Specifications of L5957

• Applications: Converter, Car Audio System
• Voltage - Input: 6 ~ 18 V
• Number Of Outputs: 4
• Voltage - Output: 3.3V, 5V, 8.5V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 15-Multiwatt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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