September 2013 Doc ID 14442 Rev 3 1/16
1
L5957
Multifunction voltage regulator for car radio
Features
Four outputs:
8.5 V @ 500 mA
5 V @ 300 mA Permanent
–5 V @ 800mA
3.3 V @ 800 mA
2 A high side driver
Reset function
Ignition comparator
Load dump protection
Thermal shutdown
Overcurrent limitation
All pins ESD protected
Description
The L5957 contains a triple voltage regulator and
a power switch.
The IC includes a monitoring circuit for detection.
The IC features a very low quiescent current in
standby.
PowerSO20 (Slug up)
Multiwatt15 (Vertical)
Table 1. Device summary
Order code Package Packing
L5957PD PowerSO20 (slug up) Tube
L5957PDTR PowerSO20 (slug up) Tape and reel
L5957 Multiwatt15 (Vertical) Tube
www.st.com
Contents L5957
2/16 Doc ID 14442 Rev 3
Contents
1 Block and pins connection diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
L5957 List of tables
Doc ID 14442 Rev 3 3/16
List of tables
Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 3. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 4. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 5. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

L5957

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
LDO Voltage Regulators Multifunction Voltage Regulator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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