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L4909 Fiches technique(PDF) 2 Page - STMicroelectronics

No de pièce L4909
Description  EXTERNALLY ADJUSTABLE MULTIFUNCTION REGULATOR
PDF  7 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4909 Fiches technique(HTML) 2 Page - STMicroelectronics

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PIN CONNECTION
Table 1. Pin Description
No. Pin
Name
Function
1
FB1
REG1 feedback voltage input
2
Vo1
REG1 output voltage
3
VinA
Input DC supply voltage
4
TRIG
Trigger for external SCR (crowbar protection)
5
OC
Over current warning output
6
EN1
REG1 enable input
7
EN2
REG2 enable input
8
GND
Analog ground
9
EN3
REG3 enable input
10
FB3
REG3 feedback voltage input
11
Vo3
REG3 output voltage
12
N.C.
Not Connected
13
VinB
Input DC supply voltage
14
Vo2
REG2 output voltage
15
FB2
REG2 feedback voltage input
1
2
3
4
5
6
7
9
10
11
8
VO3
FB3
EN3
GND
EN2
EN1
OC
TRIG
VINA
VO1
FB1
TAB CONNECTED TO PIN 8
13
14
15
12
FB2
VO2
VINB
N.C.
D00AU1153



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