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L4909 (IC802) : Regulator
1. Pin layout
2. Pin function
Symbol
Pin No.
REG1 feedback voltage input
1
FB1
REG1 output voltage
2
Vo1
Input DC supply voltage
3
VinA
External SCR trigger (clover protection)
4
TRIG
Overcurrent warning output
5
OC
REG1 enable input
6
EN1
REG2 enable input
7
EN2
Analog GND
8
GND
REG3 enable input
9
EN3
REG3 feedback voltage input
10
FB3
REG3 output voltage
11
Vo3
Not connected
12
N.C.
Input DC supply voltage
13
VinB
REG2 output voltage
14
Vo2
REG2 feedback voltage input
15
FB2
UX-F70MD/UX-F72MD
Description
1-71
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