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PDF PQ1CZ21H2ZPH Data sheet ( Hoja de datos )
| Número de pieza | PQ1CZ21H2ZPH | |
| Descripción | Low Dissipation Current at OFF-state Chopper Regulator | |
| Fabricantes | Sharp Electrionic | |
| Logotipo |  |
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PQ1CZ21H2ZxH
PQ1CZ21H2ZxH
Low Dissipation Current at OFF-state
Chopper Regulator
Features
1.Maximum switching current: 1.5A
2.Low dissipation current at OFF-state(Iqs:Max.1mA)
3.Built-in oscillation circuit
(Oscillation frequency:TYP.100kHz)
4.Built-in overheat, overcurrent protection functions
5.Variable output voltage
(Output variable range: Vref to 35V/–Vref to –30V)
[Possible to select step-down output/inversing output
according to external connection circuit]
6.P Q 1CZ21H2ZZH: Sleeve-packaged product
P Q 1CZ21H2ZPH: Tape-packaged product
7.RoHS directive compliant
Applications
1.Facsimiles
2.Printers
3.Switching power supplies
Absolute Maximum Ratings
Parameter
*1 Input voltage
Symbol
VIN
Error input voltage
VADJ
Input - output voltage
*2 Output - COM voltage
*3 ON/OFF control voltage
VI-O
VOUT
VC
Switching current
*4 Power dissipation
*5 Junction temperature
ISW
PD
Tj
Operating temperature Topr
Storage temperature
Tstg
Soldering temperature Tsol
(Ta=25℃)
Rating Unit
40 V
7V
41 V
-1 V
-0.3 to +40 V
1.5 A
8W
150 ℃
-40 to +85 ℃
-40 to +150 ℃
260(10s) ℃
*1 Voltage between VIN terminal and COM terminal
*2 Voltage between VOUT terminal and COM terminal
*3 Voltage between ON/OFF control and COM terminal
*4 PD:With infinite heat sink
*5 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
(Unit:mm)
6.6MAX.
5.2±0.5
1CZ21H
H
2.3±0.5
(0.5)
3
Epoxy resin
Lead finish
identification mark
(0 to 0.25)
0.5 +0.2
–0.1
4–(1.27)
(0.5)
1 234 5
( ) : Typical dimensions
Product mass:(0.3g)
①VIN
②VOUT
③COM(Connected with heat sink)
④Oadj
⑤ON/OFF control
Lead finish:Lead-free solder plating
(Composition: Sn2Cu)
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.: OP06040A
1
1 page  
PQ1CZ21H2ZxH
Fig.14 Block Diagram
1
Voltage regulator
5
ON/
OFF
① VIN
② VOUT
③ COM (Common to heat sink)
④ Oadj
⑤ ON/OFF control
Overcurrent
detection circuit
Overheat
detection circuit
F/F Q
R
S
3
PWM COMP.
+
_
OSC.
ERROR AMP.
_
+
Vref
2
4
Fig.15 Step Down Type Circuit Diagram
VIN
8～35V
④
①②
+
CIN
100μF
PQ1CZ21H2ZxH
⑤
③
L
210μH
R2
3kΩ
D
R1
1kΩ
ON/OFF control signal
VO 5V
CO
470μF
+
Load
Fig.16 Polarity Inversion Type Circuit Diagram
0.47～1μF
VIN
5～30V
④
①②
PQ1CZ21H2ZxH
⑤
+
CIN
100μF
③
L
130μH
R2
3kΩ
+
D CO
2200μF
R1
1kΩ
Load
VO -5V
ON/OFF control signal
In case that polarity is reverse, depending on the conditions,there is cases that output voltage can not gain,
please use this device after confirming the output voltage at the actual conditions.
Sheet No.: OP06040A
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PQ1CZ21H2ZPH.PDF ] | |
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