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PDF PQ1CX22H2ZPQ Data sheet ( Hoja de datos )
| Número de pieza | PQ1CX22H2ZPQ | |
| Descripción | Low Output Bootstrap system Chopper Regulator | |
| Fabricantes | Sharp Electrionic | |
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PQ1CX22H2ZPQ
PQ1CX22H2ZPQ
Low Output Bootstrap system
Chopper Regulator
Features
1.Low output voltage :MIN.1.2V
2.Maximum switching current: 2.5A
3.High efficiency(efficiency：88%[VIN=5V,VOUT=3.3V] )
4.Built-in oscillation circuit
(Oscillation frequency:TYP.150kHz)
5.Built-in overheat, overcurrent protection functions
6.RoHS directive compliant
Applications
1.AV equipment
2.Digital OA equipment
Absolute Maximum Ratings
(Ta =25°C)
Parameter
*1 Input voltage
*2 Boost terminal voltage
*3 Voltage between VB and VIN
Malfunction input voltage
Input-output voltage
*4 Output-GND voltage
*5 ON/OFF control voltage
Switching current
*6 Power dissipation
*7 Junction temperature
Operating temperature
Storage temperature
Soldering temperature
Symbol Rating
VIN 33
VB 33
VB-I
VADJ
15
7
VI-O 34
VOUT
-1
VC -0.3 to 20
ISW 2.5
Pd 0.9
Tj 150
Topr -40 to +85
Tstg -40 to +150
Tsol 260(for 10s)
Unit
V
V
V
V
V
V
V
A
W
°C
°C
°C
°C
*1 Voltage between VIN and GND
*2 Voltage between VB and GND
*3 Voltage between VBand VIN
*4 Voltage between VOUT and GND
*5 Voltage between ON/OFF and GND
*6 At the time of the PCB mounting
*7 There is case that over heat protection function operates at the temperature
Tj=125°C to 150°C, so this item cannot be used in this temperature range.
■ Outline Dimensions
5±0.3
8 7 65
Model No.
(Unit:mm)
0.15＋－00..105
1CX22H
S
Q
12
0.995MAX
34
1.27±0.03
Lead finish
identification mark
Lot.No.
(OLD DIN standard)
( ) : Typical dimensions
Product mass:(0.08g)
0.4±0.1
Terminal
①VIN
②VB
③OADJ
④ON/OFF Control
⑤NC
⑥GND
⑦GND
⑧VOUT
Lead finish:Lead-free solder plating
(Composition: Sn2Bi)
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.: OP06058
1
1 page  
PQ1CX22H2ZPQ
Fig.16 PD-Ta rating(Typical value)
1
GND pattern copper foil area 120mm2
GND pattern copper foil area 15mm2
0.5
GND pattern
0
-30 -25
0 25 50 75 85 100 125
Ambient temperature Ta(˚C)
Block Diagram
Mounting PCB
Material ：Glass-cloth epoxy resin
Size ：30mm × 30mm × 1mm
GND pattern copper foil area：120mm2,35μm
VIN 1
VB 2
Drive Circuit
Overcurrent
Detection Circuit
Overheat
Detection Circuit
Constant Voltage
PWM COMP.
+
Q
F/F R
S
ON/OFF control
Soft
Start
ERROR AMP.
+
V ref
fo Conversion Circuit
67
GND GND
8 VOUT
4
ON/OFF
3 VADJ
Step-down voltage output circuit diagram
VIN=5V
VIN
1
VB
2
+
CIN 6
7
220μF GND GND
CB
1μF
8
VOUT
Oadj
3
ON/OFF
4
DB
L
30μH
R2=
3kΩ
R1=
1.3kΩ
V０=3.3 V
+ Load
CO
470μF
Sheet No.: OP06058
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PQ1CX22H2ZPQ.PDF ] | |
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