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L5963 Datasheet(PDF) 13 Page - STMicroelectronics

Part # L5963
Description  Automotive dual monolithic switching regulator with LDO and HSD
PDF  49 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5963 Datasheet(HTML) 13 Page - STMicroelectronics

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DocID028553 Rev 3
13/49
L5963
Pins description
48
16
SYNCIN
Input
External synchronization input
17
VINSW1
Supply
Switching regulator 1 supply voltage
18
VINSW1
Supply
Switching regulator 1 supply voltage
19
FRDIV
Input/output
Switching frequency divider setting
20
VDOUT
Output
Voltage detector output (open drain)
21
FBSW1
Input/output
Switching regulator 1 feedback voltage
22
COMP1
Input/output
Switching regulator 1 compensation
23
SGND
Ground
Ground for linear blocks
24
VDIN
Input
Voltage detector threshold setting
25
NC
N.C.
Not connected
26
VINHSD
Supply
High Side Driver supply
27
VINHSD
Supply
High Side Driver supply
28
HSD
Output
High Side Driver output
29
HSD
Output
High Side Driver output
30
VDDLY
Input/output
Voltage Detector delay setting
31
FBLDO
Input/output
LDO feedback voltage
32
VOUTLDO
Output
LDO output
33
VOUTLDO
Output
LDO output
34
NC
N.C.
Not connected
35
LDOOK
Output
LDO voltage detector output (open drain)
36
LDOOKDLY
Input/output
LDOOK delay setting
37
VINLDO
Supply
LDO supply
38
COMP2
Input/output
Switching regulator 2 compensation
39
FBSW2
Input/output
Switching regulator 2 feedback voltage
40
SWGND1
Ground
Low-power switching ground
41
VBAT
Supply
Common linear blocks supply voltage
42
SW1OKDLY
Input/output
SW1OK delay setting
43
TEST
n.a.
Pin for testing purposes. To be left unconnected
44
SW1OK
Output
Switching regulator 1 voltage detector output (open drain)
45
VINSW2
Supply
Switching regulator 2 supply voltage
46
VINSW2
Supply
Switching regulator 2 supply voltage
47
ENLDO
Input
LDO enable. 1.8/3.3 V compatible
48
PWM2
Output
Switching regulator 2 switching output
Table 3. VQFPN-48 pins description (continued)
Pin #
Name
Type
Function



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