L5956 STMicroelectronics, L5956 Datasheet - Page 5

• Manufacturer Part Number: L5956
• Description: IC VREG MULTIFUNCT MULTIWATT15
• Manufacturer: STMicroelectronics

Specifications of L5956

• 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

L5956
1
1.1
Figure 1.
1.2
Figure 2.
REG1(8.5V)
HEATSINK
REG3(5V)
REG2(5V)
VIN2
VIN1
N.C.
N.C.
SW
BU
Block diagram and pins description
Block diagram
Block diagram
Pins description
Pins connection (top view)
20
19
18
17
16
15
14
13
12
11
PowerSO
ENREG1_3(8.5V_5V)
D02AU1343
ENREG4(3.3V)
VINI (MAIN)
EN_SW
IGN
VIN2
BU
10
1
2
3
4
5
6
7
8
9
IN
PROTECTION
THERMAL
REG4(3.3V)
IGNIN
IGNOUT
RES
CRES
ENREG4(3.3V)
ENREG1_3(8.5V_5V)
EN_SW
HOLD
GND
Doc ID 13852 Rev 2
IGNITION
BUFFER
PROTECTION
DUMP LOAD
SWITCH
POWER
REG1
REG2
REG3
REG4
IGN
OUT
BUFFER
RESET
Block diagram and pins description
D02AU1342A
SW
REG 1(8.5V)
REG 2(PERM)(5V)
REG 3(5V)
REG 4(3.3V)
HOLD
RES
CRES
Multiwatt
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
D03AU1513A
VIN2
REG3
REG1
SWITCH
BU
REG2
VIN1
GND
HOLD
EN SW
ENREG1-3
ENREG4
CRES
RES
REG4
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