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L4954 Datasheet(PDF) 5 Page - STMicroelectronics

Part # L4954
Description  Quad multifunction voltage regulator for car radio
PDF  13 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4954 Datasheet(HTML) 5 Page - STMicroelectronics

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L4954
Block and pins connection diagrams
Doc ID 17719 Rev 1
5/13
1
Block and pins connection diagrams
Figure 1.
Block diagram
Figure 2.
Pins connection diagram (top view)
REG1
10V, 40mA
VOLTAGE
REFERENCE
REG2
8.5V, 175mA
REG3
5V, 650mA
REG4
5V, 100mA
VS
RESET
LVWarn
EN1
EN2
10V-REG1
8.5V-REG2
5V-REG3
5V-REG4-STBY
EN3
D95AU346
GND
STCAP
CURRENT
LIMIT
RESET
LVW
OUTPUT
CONTROL
THERMAL
SHUTDOWN
OVERVOLTAGE
PROTECTION
HSD1
2.0A
HSD2
0.3A
HSD3
0.3A
HSD1
HSD2
HSD3
1
2
3
4
5
6
7
9
10
11
8
EN2
EN1
RESET
GND
LVWarn
5V REG4-STBY
ST CAP
HSD3-0.3A
HSD2-0.3A
VS
HSD1-2A
TAB CONNECTED TO PIN 8
13
14
15
12
10V REG1
8.5V REG2
5V REG3
EN3
D95AU347



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