PQ6CB11X1CP Datasheet, PDF (2/4 Pages) Sharp Electrionic Components – Compact SMD CMOS Step-up LED Driver

PQ6CB11X1CP
Electrical Characteristics
Parameter
Input-output voltage range
Overvoltage detecting level
Overvoltage detecting hysteresis level
Quiescent current
Stand-by current
Efficiency
Error amplifier
Reference voltage
FB pin bias current
Oscllator
Oscillation frequency
Maximum duty
Power switch
Overcurrent detection level
On-resistance
Leakage current
Control terminal
ON-state voltage for control
OFF-state voltage for control
CTRL pin bias current
Symbol
VIN
OVP
OVP(hys)
Iｑ
ISD
η
(Unless otherwise specified,condition shall be VIN=VCTRL=3.6V,VO=10V,IO=20mA,Ta=25°C)
Conditions
-
MIN.
TYP. MAX.
Unit
2.7
-
5.5
V
5pin
5pin
Switching,IO＝0mA
VCTRL＝0V
3 LEDs
26
28
30
V
-
2
-
V
-
0.8
1.6
mA
-
0.1
1
μA
-
90
-
%
VREF
IFB
fo
DMAX
-
-
-
VIN＝3V
90.3
95
99.7
mV
-
30
100
nA
1
1.2
1.4
MHz
90
-
-
%
IL
DUTY=70%,Switching current peak
250
-
-
mA
RON
ISW＝250mA
-
1.7
2.5
Ω
ILEAK
VSW＝28V,VIN=VCTRL=0V
-
0.05
1
μA
VC(ON)
-
VC(OFF)
-
ICTRL
-
1
-
-
V
-
-
0.4
V
-
-
50
μA
　　Block Diagram
L
D
VIN CIN
VIN
VSW
CTRL
VO
Soft start
circuit
ON/OFF
Circuit
Over
voltage
protection
CO
Control
Circuit
PWM CMP.
ERROR AMP FB
95mV
Rset
OSC Σ
GND
　 Example of application
VIN
4
VIN
3.6V
CIN
2.2μF
CTRL ₆
L
22μH
VSW
3
5 _VO
2
1 FB
GND
D
Rset
4.75Ω
CO
0.1μF
IO
20mA
ON/OFF
2
Sheet No.: OP06061