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Equivalent Circuit Block Diagram
VCC 3
LA5618
VO1 2
CN1 4
GND 7
Error
amplifier
VREF
Startup circuit
ON/OFF
Current limiter
VREF
Thermal protection
circuit
CN2 9
VO2 11
VEE 10
Current limiter
VMUTE VCC
ON/OFF
Error
amplifier
VREF
VCC
60 kΩ
100 kΩ
30 kΩ
140 µA
Comparator
1.8 V
5 EN
6 TP
Note: The TP pin is used for IC testing.
It must be left open during normal operation.
A06998
No. 5672-3/4