R1120N
OPERATION
R1120N××1B
R1120N××1A
VDD
1
VOUT VDD
1 VOUT
3
3
--
+
--
+
R1
R2
R1
R2
Vref
Vref
Current Limit
Current Limit
4
CE
4
2
GND
2 GND
CE
In these ICs, fluctuation in Output Voltage VOUT is detected by Feed-back Registers R1, R2, and the result is compare with
a reference voltage by Error Amplifier, so that a constant voltage is output.
A current limit circuit working for Short Protect and a chip enable circuit are included.
7