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20WZ51 PDF 데이터시트 ( Data , Function )

부품번호 20WZ51 기능
기능 PQ20WZ51
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20WZ51 데이터시트, 핀배열, 회로
Low Power-Loss Voltage Regulators
PQ20WZ51/PQ20WZ11
PQ20WZ51/PQ20WZ11
Variable Output, General Purpose, Surface Mount Type Low Power-Loss Voltage Regulator
s Features
q Low power-loss
(Dropout voltage : MAX. 0.5V)
q Surface mount package (equivalent to SC-63)
q Variable output voltage (3.0 to 20V)
q Output current (0.5A : PQ20WZ51)
(1.0A : PQ20WZ11)
q Reference voltage precision : ±2.5%
q Built-in ON/OFF control function
www.DataqShLeoewt4dUis.sciopmation current at OFF-state (Iqs : MAX. 5µA)
q Built-in overcurrent, overheat protection functions, ASO
protection circuit
q Available tape-packaged products
(ø330mm reel : 3 000 pcs., PQ20WZ5U/1U)
s Applications
q Personal computers
q CD-ROM drives
q Power supplies for various OA equipment
s Outline Dimensions
(Unit : mm)
6.6 MAX.
5.2 ± 0.5
3
2.3 ±0.5
( 0.5 )
Model No.
Epoxy resin
0.5±
0.2
0.1
4 ( 1.27 )
( 0.5 )
12345
Internal connection diagram
1 3 1 DC input(VIN)
2 ON/OFF control terminal(Vc )
Specific IC
3 DC output(Vo )
4 Output voltage adjustment terminal(VADJ)
2 4 5 GND
5 Heat sink is common to terminal 3 (Vo )
s Absolute Maximum Ratings
Parameter
Symbol
1 Input voltage
1 ON/OFF control terminal voltage
1 Output adjustment terminal voltage
Output current
Power dissipation(with infinite heat sink)
2 Junction temperature
Operating temperature
Storage temperature
3 Soldering temperature
VIN
Vc
VADJ
Io
PD
Tj
Topr
Tstg
Tsol
1 All are open except GND and applicable terminals.
2 Overheat protection may operate at 125<=Tj<=150˚C
3 For 10s
Rating
PQ20WZ51 PQ20WZ11
24
24
5
0.5 1.0
8
150
20 to +80
40 to +150
260
(Ta=25˚C)
Unit
V
V
V
A
W
˚C
˚C
˚C
˚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/




20WZ51 pdf, 반도체, 판매, 대치품
Low Power-Loss Voltage Regulators
Fig.11 Dropout Voltage vs. Junction
Temperature (PQ20WZ11)
0.18
0.17
0.16
0.15
0.14
0.13
0.12
0.11
VIN=3.135V, Vc=2.7V, R1=2k, R2=500, IO=0.5A
0.1
25 0 25 50 75 100 125
Junction temperature Tj (˚C)
www.DataShFeiget.41U3.cRomipple Rejection vs. Input Ripple
Frequency
80
75
70 PQ20WZ11
65 PQ20WZ51
60
55
50 Tj=25˚C IO=0.3A
45
VIN=5V ei(rms)=0.5V (sine wave)
R1=2kRR=20 log(ei(rms)/eo(rms))
40 R2=0.5k
0.1 1 10
Input ripple frequency f (kHz)
100
Fig.15 Ripple Rejection vs. Output Current
(PQ20WZ11)
80
75
70
65
60
55
Tj=25˚C
50
VIN=5V
R1=2k
45
R2=0.5k
ei(rms)=0.5V
f=120Hz (sine wave)
40
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Output current IO (A)
PQ20WZ51/PQ20WZ11
Fig.12 Quiescent Current vs. Junction
Temperature
5 VIN=5V
IO=0A
4
VC=2.7V
R1=2k
R2=500
3
2
1
0
25 0 25 50 75 100 125
Junction temperature Tj (˚C)
Fig.14 Ripple Rejection vs. Output Current
(PQ20WZ51)
80
75
70
65
60
55 Tj=25˚C
50
VIN=5V
R1=2k
45
R2=0.5k
ei(rms)=0.5V
f=120Hz (sine wave)
40
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Output current IO (A)
Fig.16 Circuit Operating Current vs. Input
Voltage (PQ20WZ51)
20 Vc=2.7V,
R1=2k, R2=500
(Vo=3.3V)
15
RL =6.6
10
RL =11
5
RL =∞Ω
0
01 2 345 6
Input voltage VIN (V)

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전력 반도체 판매 ( IGBT, TR 모듈, SCR, 다이오드 모듈 )

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20WZ51

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Sharp Electrionic Components
Sharp Electrionic Components

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