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Número de pieza | PQ1CX12H2ZPQ | |
Descripción | Bootstrap system Chopper Regulator | |
Fabricantes | Sharp Electrionic | |
Logotipo | ||
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PQ1CX12H2ZPQ
PQ1CX12H2ZPQ
Bootstrap system
Chopper Regulator
Features
1.Maximum switching current: 2.5A
2.High efficiency(efficiency:88%[VIN=5V,VOUT=3.3V]
3.Built-in oscillation circuit
(Oscillation frequency:TYP.150kHz)
4.Built-in overheat, overcurrent protection functions
5.Variable output voltage
(Output variable range: Vref to 24V)
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 15
Vadj
7
VI-O 34
VOUT
-1
VC -0.3 to 20
Isw 2.5
PD 0.9
Tj 150
Topr -30 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
1CX12H
S
Q
12
0.995MAX
34
1.27±0.03
Lead finish
identification mark
Lot.No.
(OLD DIN standerd)
( ) : 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.: OP06042
1
1 page Block Diagram
VIN 1
VB 2 Drive Circuit
Overcurrent
Detection Circuit
Overheat
Detection Circuit
Constant Voltage
PWM COM P.
+
Q
F/F R
S
ON/OFF control
Soft
Start
ERROR A M P.
+
V ref
fo Conversion Circuit
67
GND GND
8 VOUT
4
ON/OFF
3 VADJ
Step-down voltage output circuit diagram
VIN=5 V
VIN
1
VB
2
+
CIN
220μF
67
GND GND
CB
1μF
8 VOUT
Oadj
3
ON/OFF
4
DB
L
30μH
R2=
3.9 kΩ
R1=
2.4 kΩ
V0=3.3 V
+ Load
CO
470μF
PQ1CX12H2ZPQ
Sheet No.: OP06042
5
5 Page |
Páginas | Total 5 Páginas | |
PDF Descargar | [ Datasheet PQ1CX12H2ZPQ.PDF ] |
Número de pieza | Descripción | Fabricantes |
PQ1CX12H2ZP | Boot Strap System Chopper Regulator | Sharp Electrionic |
PQ1CX12H2ZPQ | Bootstrap system Chopper Regulator | Sharp Electrionic |
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