PQ6CU12X2APQ Datasheet, PDF (4/4 Pages) Sharp Electrionic Components – CMOS Step-up Chopper Regulator

PQ6CU12X2APQ
　　Block Diagram
L
D
VIN CIN
VIN
VSW
ON/OFF
ON/OFF
Circuit
Drive
Circuit
Over
current
protection
Frequency
adjustment
PWM CMP.
ERROR AMP FB
Vref
Σ Oscillator
CO
R2
R1
OSC
ROSC
GND
　 Example of application
L
56μH
SBD
VIN
5V
CIN
2.2μF
VIN
VSW
FB
ON/OFF
GND OSC
ROSC
130kΩ
ON/OFF
IO=10mA
R2
290kΩ
R1
10kΩ
VO
30V
LOAD
CO
1μF
Sheet No.: OP06066
4