PQ6CU11X1APQ
CMOS Step-up
PQ6CU11X1APQ
Chopper Regulator
Features Outline Dimensions
(Unit:mm)
1.High switching voltage :MAX.30V
(1.9)
(capable of driving max 4LEDs in series connection)
6 5 4
2.Switching current: 250mA
C0 1
3.High frequency PWM control :1.2MHz
1 2 3
4.High efficiency(efficiency85%) 0.1
60.4
5.Built-in overheat, overcurrent protection functions
( 0.95) ( 0.95)
6.Built-in soft start function
MAX.
3.3
7.RoHS directive compliant TYP.
(2.9 excluding
0.2
remaining gate)
1.6
Applications
MAX.
15
MIN. MIN.
0.2 0.2
1.Mobile phone
0.3
2.8
2.DSC
( ) : Typical dimensions
3.PDA
Product mass:(0.015g)
Terminal
Swith terminal (VSW)
GND terminal
Feed back terminal (FB)
Absolute Maximum Ratings
Control terminal (CTRL)
(Ta=25C)
OVP terminal (VO)
Rating VIN terminal(VIN)
Parameter Symbol Unit
Input voltage VIN 6 V
30
Output voltage VO
V
Switching voltage VSW 30
V
Control voltage CTRL VIN V
Lead finish:Lead-free solder plating
(Composition: Sn2Bi)
Feed back voltage FB 6 V
Switching current ISW
250 mA
Power dissipation Pd mW
350
Junction temperature Tj C
150
Topr
Operating temperature -40 to +85 C
Storage temperature Tstg -40 to +150 C
Tsol 260(10s)
Soldering temperature C
Operating conditions
Rating
Parameter Symbol Unit
Operating Junction temperature Tj -40 to +125 C
Notice The content of data sheet is subject to change without prior notice.
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Sheet No.: OP06059
1
MAX
1.3
00.1
0.2
1.1
0.1
0.15
(0.3)PQ6CU11X1APQ
Electrical Characteristics
(Unless otherwise specified,condition shall be VIN=VCTRL=3.6V,VO=10V,IO=20mA,Ta=25C)
MIN. Unit
Parameter Symbol Conditions TYP. MAX.
Input-output voltage range VIN - 2.7 - 5.5 V
Overvoltage detecting level OVP 5pin 26 28 30 V
Overvoltage detecting hysteresis level OVP(hys) 5pin 2 V
- -
Quiescent current I Switching,IO0mA 0.8 1.6 mA
-
Stand-by current ISD VCTRL 0V 0.1 1 A
-
Efficiency 3 LEDs --90 %
Error amplifier
Reference voltage VREF 86 95 104 mV
-
FB pin bias current IFB 30 100 nA
- -
Oscillator
Oscillation frequency fo - 1 1.2 1.4 MHz
Maximum duty DMAX VIN3V 85 - - %
Power switch
Overcurrent detection level IL DUTY=70%,Switching current peak 260 mA
- -
On-resistance RON ISW 250mA - 1.7 2.5
Leakage current ILEAK VSW28V,VIN=VCTRL=0V 0.05 1 A
-
Control terminal
ON-state voltage for control VC(ON) 1 V
- - -
OFF-state voltage for control VC(OFF) 0.4 V
- - -
---
CTRL pin bias current ICTRL 50 A
Fig.1 Standard measuring circuit
L
22 H D VO
Iq IL
A
A
Isd ILEAK
6 1
IO
R2
5
105.3k
IFB
VIN
4
A
CIN CO
A
ICTRL
2.2 F
1 F
3
R1
1k
2
V
VC
Vref
ON/OFF control logic
L:VLP4612(TDK CO.,LTD.)
4pin Output
D:MA2Z720(MATSUSHITA ELECTRIC INDUSTRIAL CO.,LTD)
LOW OFF
HIGH ON
OPEN OFF
Fig.2 Power Dissipation vs.Ambient Fig.3 Reference Voltage Fluctuation vs.
Temperature Junction Temperature
1.0
400
VIN=VCTRL=3.6V
Pd : Mounting PCB
L=22 H
White LED:3LEDs
IO=20mA
300 0.5
200 0
100
-0.5
0
-1.0
-40 -25 0 25 50 75 100 125 150
85
-50 -25 0 25 50 75 100 125
Ambient temperature Ta (C) Junction temperature Tj (C)
Sheet No.: OP06059
2
Power dissipation Pd (mW)
Reference voltage fluctuation VREF (%)