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даташит 1CZ41H PDF ( Datasheet )

1CZ41H Datasheet Download - Sharp Electrionic

Номер произв 1CZ41H
Описание PQ1CZ41H2Z
Производители Sharp Electrionic
логотип Sharp Electrionic логотип 



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1CZ41H Даташит, Описание, Даташиты
Chopper Regulators
PQ1CZ41H2Z
PQ1CZ41H2Z
TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit
I Features
G 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]
I Applications
G Color TV,STB
G LCD monitors
G Facsimiles,plinters and other OA equipment
G CD-ROM drives/DVD-ROM drives
G Air conditioners
I Outline Dimensions
(Unit : mm)
6.6 MAX.
5.2 ±0.5
1CZ41H
( ) : Typical dimensions
2.3 ±0.5
(0.5)
3
Epoxy resin
(0 to 0.25)
0.5
+0.2
- 0.1
4-(1.27)
(0.5)
12345
1 VIN
2 VOUT
3 GND (Common to heat sink)
4 Oadj
5 ON/OFF control terminal (VC)
I Absolute Maximum Ratings
(Ta=25°C)
Parameter
1 Input voltage
Error input voltage
Input-output voltage
Switching current
2 Voltage between output and COM
3 ON/OFF control voltage
4 Power dissipation
5 Junction temperature
Operating temperature
Storage temperature
Soldering temperature
Symbol
VIN
Vadj
VIO
ISW
VOUT
VC
PD
Tj
Topr
Tstg
Tsol
Rating
40
7
41
1.5
1
0.3 to 40
8
150
20 to +80
40 to +150
260 (10s)
Unit
V
V
V
A
V
V
W
˚C
˚C
˚C
˚C
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/







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1CZ41H Даташит, Описание, Даташиты
Chopper Regulators
PQ1CZ41H2Z
I Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, ON-OFF terminals is open, Ta=25˚C)
Parameter
Symbol
Conditions
MIN. TYP. MAX. Unit
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
VSAT
Vref
Vref
|RegL|
|RegI|
η
fO
ISW=1A
Tj=0 to 125˚C
IO=0.2 to 1A
VIN=8 to 35V
IO=1A
0.9 1.5 V
1.235 1.26 1.285 V
− ±0.5
%
0.2 1.5 %
1.2 2.5 %
84 %
270 300 330 kHz
Oscillation frequency temperature fluctuation fO
Tj=0 to 125˚C
− ±3 %
Overcurrent detecting level
IL
1.55 2.0 2.6
A
Charge current
ICHG 2 , 4 terminals is open, 5 terminal − −10 − µA
Input threshold voltage
VTHL Duty ratio=0%, 4 terminal=0V, 5 terminal 1.3
VTHH Duty ratio=100%, 4 terminal=1.1V, 5 terminal 2.3
V
V
ON threshold voltage
VTH(ON)
4 terminal=0V, 5 terminal
0.7 0.8 0.9
V
Stand-by current
ISD VIN=40V, 5 terminal=0V 140 400 µA
Output OFF-state dissipation current
IQS VIN=40V, 4 terminal=0V, 5 terminal=0.9V
8 12 mA
Fig.1 Test Circuit
ISD A
IQS
VIN
1
+
CIN
100µF
4
PQ1CZ41H2Z
3
2
5
A
ICHG
Fig.2 Power Dissipation vs. Ambient
Temperature
PD : With infinite heat sink
10
PD
L
65µH
IO
VO
R2
D R1
1k
+
CO
470µF
Load
L : HK-08S070-6500 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
5
0
20 0 20 40 60 80 100
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area







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1CZ41H Даташит, Описание, Даташиты
Chopper Regulators
Fig.3 Block Diagram
1 VIN
Overcurrent
detection
circuit
Overheat
detection
circuit
Voltage
regulator
ON/OFF
circuit
PWM COMP.
_
+
Q
F/F R
S
3 COM
_ ERROR AMP.
+
Vref
PQ1CZ41H2Z
2 VOUT
5 ON/OFF control
4 Oadj
Fig.4 Step Down Type Circuit Diagram
VIN
8 to 35V
4
12
+
CIN
100µF
PQ1CZ41H2Z
5
3
CS
L
65µH
RS D
R2
3k
R1
1k
VO 5V
+
CO
470µF
Load
ON/OFF control signal
RS50k
Fig.5 Polarity Inversion Type Circuit Diagram
VIN
5 to 30V
4
12
PQ1CZ41H2Z
+
CIN
100µF
3
5
CS
L
65µH
RS D
R2
3k
R1
1k
ON/OFF control signal
+
CO
2 200µF
Load
RS50k
VO 5V










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