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Details, datasheet, quote on part number:PQ1CZ41H2Z
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Datasheet text preview:
Chopper Regulators
PQ1CZ41H2Z
PQ1CZ41H2Z
TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit
I
G
Features
I
Outline Dimensions
(Unit : mm)
2.5
Maximum switching current: 1.5A G Built-in ON/OFF control function G Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF control sequence G Built-in oscillation circuit (Oscillation frequency: TYP. 300kHz) G Built-in overheat protection function, overcurrent protection function G SC-63 Surface Mount Type package G 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]
( ) : Typical dimensions 6.6 5.2
MAX.
2.3 ±0.5 (0.5) 3 Epoxy resin
±0.5
5.5 ±0.5
9.7 MAX.
1CZ41H
(1.7)
MIN.
(0 to 0.25) 0.5 +0.2 - 0.1 4-(1.27) (0.5)
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G
Applications
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Color TV,STB G LCD monitors G Facsimiles,plinters and other OA equipment G CD-ROM drives/DVD-ROM drives G Air conditioners
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2
3
4
5
2 3 4 5
VIN VO U T GND (Common to heat sink) Oa d j ON/OFF control terminal (VC)
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1
Absolute Maximum Ratings
Symbol Parameter VIN Input voltage Vadj Error input voltage VIO Input-output voltage ISW Switching current VOUT Voltage between output and COM VC ON/OFF control voltage PD Power dissipation Tj Junction temperature Topr Operating temperature Tstg Storage temperature Tsol Soldering temperature
(Ta=25°C) Rating Unit
40 7 41 1.5 1 0.3 to 40 8 150 20 to +80 40 to +150 260 (10s) V V V A V V W °C °C °C °C
2 3 4 5
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 Overheat protection may operate at Tj=125°C to 150°C
·Please refer to the chapter " Handling Precautions ".
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. Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
(0.9)
Chopper Regulators
PQ1CZ41H2Z
(Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, ON-OFF terminals is open, Ta=25°C)
Symbol VS A T
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Electrical Characteristics
Parameter
Output saturation voltage Reference voltage Reference voltage temperature fluctuation Load regulation Line regulation Efficiency Oscillation frequency Oscillation frequency temperature fluctuation Overcurrent detecting level Charge current Input threshold voltage ON threshold voltage Stand-by current Output OFF-state dissipation current
Vref Vref |RegL| |RegI| fO fO IL IC H G VTHL VTHH V TH(ON) ISD IQS
MIN. ISW=1A - 1.235 - Tj=0 to 125°C - IO=0.2 to 1A - VIN=8 to 35V - IO=1A - - 270 Tj=0 to 125°C - - 1.55 2 , 4 terminals is open, 5 terminal - Duty ratio=0%, 4 terminal=0V, 5 terminal - Duty ratio=100%, 4 terminal=1.1V, 5 terminal - 4 terminal=0V, 5 terminal 0.7 VIN=40V, 5 terminal=0V - VIN=40V, 4 terminal=0V, 5 terminal=0.9V -
Conditions
TYP.
0.9 1.26
MAX.
1.5 1.285
±0.5 0.2 1.2 84 300 ±3 2.0 -10 1.3 2.3 0.8 140 8
- 1.5 2.5 - 330 - 2.6 - - - 0.9 400 12
Unit V V % % % % kHz % A µA V V V µA mA
Fig.1 Test Circuit
4 1 IS D IQ S PQ1CZ41H2Z 5 + VIN 3 CIN 100µF A IC H G D R1 1k CO 470µF R2 + Load 2 L 65µH IO VO
A
L : HK-08S070-6500 (made by Toho Co.) D :ERC80-004 (made by Fuji electronics Co.)
Fig.2 Power Dissipation vs. Ambient Temperature
PD : With infinite heat sink 10 Power dissipation PD (W) PD
5
0 20
0
20 40 60 80 Ambient temperature Ta (°C)
100
Note) Oblique line portion:Overheat protection may operate in this area
Chopper Regulators
Fig.3 Block Diagram
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PQ1CZ41H2Z
VIN
2
VOUT
Voltage regulator
ON/OFF circuit 5
PWM COMP.
_
Soft start
ON/OFF control
+
Overcurrent detection circuit
F/F
Q R S
Oscillator
_ +
ERROR AMP. Vref
4
Oadj
Overheat detection circuit 3
COM
Fig.4 Step Down Type Circuit Diagram
4 1 PQ1CZ41H2Z 5 + VIN 8 to 35V 3 CIN 100µF CS RS D 2
L 65µH
VO 5V
R2 3k
+ Load CO 470µF
R1 1k
ON/OFF control signal
RS50k
Fig.5 Polarity Inversion Type Circuit Diagram
4 1 PQ1CZ41H2Z 5 + VIN 5 to 30V 3 CIN 100µF CS RS D R1 1k VO -5V R2 3k + Load CO 2 200µF 2
L 65µH
ON/OFF control signal
RS50k
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