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PDF 1CY1032Z Data sheet ( Hoja de datos )
| Número de pieza | 1CY1032Z | |
| Descripción | TO-263 Surface Mount Type Chopper Regulator | |
| Fabricantes | Sharp Microelectronics | |
| Logotipo |  |
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PQ1CY1032Z
PQ1CY1032Z
TO-263 Surface Mount Type
Chopper Regulator
s Features
1. Maximum switching current:3.5A
2. Built-in ON/OFF control function
3. Built-in soft start function to suppress overshoot of output
voltage in power on sequence or ON/OFF control sequence
4. Built-in oscillation circuit
(Oscillation frequency:TYP. 150kHz)
5. Built-in overheat protection function
6. Built-in overcurrent shut-down function
7. TO-263 package
8. PQ1CY1032ZZ:Sleeve-packaged product
PQ1CY1032ZP:Tape-packaged product
9. Variable output voltage
(Output variable range:Vref to 35V/−Vref to −30V)
[Possible to select step-down output/inversing output
s Applications
1. LCD monitors
2. Car navigation systems
3. Switching power supplies
s Absolute Maximum Ratings
(Ta=25°C)
Parameter
*1 Input voltage
Error input voltage
Input-output voltage
*2 Output to COM voltage
*3 Vsoft terminal voltage
Switching current
*4 Power dissipation
Symbol
VIN
VADJ
VI-O
VOUT
Vsoft
ISW
PD
Rating
40
7
41
−1
−0.3 to +40
3.5
35
Unit
V
V
V
V
V
A
W
*5 Junction temperature Tj 150 ˚C
Operating temperature
Storage temperature
Topr −20 to +85 ˚C
Tstg −40 to +150 ˚C
*6Soldering temperature
Tsol
260
˚C
*1 Voltage between VIN terminal and COM terminal
*2 Voltage between VOUT terminal and COM terminal
*3 Voltage between VSOFT terminal and COM terminal
*4 PD:With infinite heat sink
*5 Over heat protection may operate at the condition Tj=125˚C to 150˚C
*6 For 10s
s Outline Dimensions
10.6MAX.
3.28±0.5
(Unit : mm)
3.5±0.5
(0.6)
1 C Y 1 0 3 2 Z ±2
(0.6)
(0.45)
1.05−+00..12
3−0.9−+00..12
Epoxy resin
(0.6)
(0.45)
1.05−+00..12
4−(1.7)
(0.6)
(0 to 0.25)
12345
1 VIN
2 VOUT
3 COM (Common to heat sink)
4 Oadj
5 Vsoft
❈ ( ) : Typical dimensions
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://www.sharp.co.jp/ecg/
1 page  
Fig.14 Power Dissipation vs. Ambient
Temperature (Typical Value)
3
Cu area 3 600mm2
2 Cu area 900mm2
Cu area 400mm2
1 Cu area 115mm2
0
−20 0
25 50
Ambient temperature Ta (°C)
Fig.15 Block Diagram
75 85
VIN 1
PWB
PWB
Cu
Material : Glass-cloth epoxy resin
Size : 60×60×1.6mm
Cu thickness : 65µm
Voltage regulator
ON/OFF circuit
Overcurrent
detection circuit
Overheat
detection circuit
F/F Q
R
S
_ PWM COMP.
+
Soft start
circuit
ERROR AMP.
_
+
Oseillation circuit
Vref
_
+
VS'
3
COM
Fig.16 Step Down Type Circuit Diagram
PQ1CY1032Z
2 Vout
5 Vsoft
4 OADJ
VIN
8 to 35V
4
12
+
CIN
220µF
PQ1CY1032Z
5
3
CS
RS
L
45µH
R2
3kΩ
D
R1
1kΩ
ON/OFF control signal
VO 5V
+
CO
1 000µF
Load
RS≤50kΩ
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet 1CY1032Z.PDF ] | |
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