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PQ20WZ51. 20WZ51 Datasheet

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PQ20WZ51. 20WZ51 Datasheet






20WZ51 PQ20WZ51. Datasheet pdf. Equivalent




20WZ51 PQ20WZ51. Datasheet pdf. Equivalent





Part

20WZ51

Description

PQ20WZ51



Feature


Low Power-Loss Voltage Regulators PQ20W Z51/PQ20WZ11 PQ20WZ51/PQ20WZ11 Variabl e Output, General Purpose, Surface Moun t Type Low Power-Loss Voltage Regulator s q Features s Outline Dimensions 6.6 MAX. 5.2 ± 0.5 2.3 ± 0.5 (Unit : mm) Low power-loss (Dropout voltage : MAX. 0.5V) q Surface mount package (eq uivalent to SC-63) q Variable output vo ltage (3.0 to 20V) q.
Manufacture

Sharp Electrionic Components

Datasheet
Download 20WZ51 Datasheet


Sharp Electrionic Components 20WZ51

20WZ51; Output current (0.5A : PQ20WZ51) (1.0A : PQ20WZ11) q Reference voltage precisi on : ±2.5% q Built-in ON/OFF control f unction q Low dissipation current at OF F-state (Iqs : MAX. 5µA) www.DataSheet 4U.com q Built-in overcurrent, overheat protection functions, ASO protection c ircuit q Available tape-packaged produc ts (ø330mm reel : 3 000 pcs., PQ20WZ5U /1U) ( 0.5 ) 3 9.7 .


Sharp Electrionic Components 20WZ51

MAX. 5.5 ± 0.5 Model No. Epoxy resin ( 1.7 ) 2.5 MIN. 0.5± 0.2 0.1 4 – ( 1.27 ) ( 0.5 ) ( 0.9 ) s q Applic ations 1 2 3 4 5 Personal compute rs q CD-ROM drives q Power supplies for various OA equipment Internal connect ion diagram 1 3 Specific IC 2 5 4 DC input(VIN ) ON/OFF control terminal( Vc ) DC output ( Vo ) Output voltage adju stment terminal (VADJ .


Sharp Electrionic Components 20WZ51

) GND Heat sink is common to terminal 3 ( Vo ) 1 2 3 4 5 s Absolute Maximum R atings Parameter Symbol VIN Vc VADJ Io PD Tj Topr Tstg Tsol Rating PQ20WZ51 PQ 20WZ11 24 24 5 1.0 0.5 8 150 –20 to + 80 –40 to +150 260 (Ta=25˚C) Unit V V V A W ˚C ˚C ˚C ˚C ❇1 Input v oltage control terminal voltage ❇1 Ou tput adjustment terminal voltage Output current Power dissipation(with.

Part

20WZ51

Description

PQ20WZ51



Feature


Low Power-Loss Voltage Regulators PQ20W Z51/PQ20WZ11 PQ20WZ51/PQ20WZ11 Variabl e Output, General Purpose, Surface Moun t Type Low Power-Loss Voltage Regulator s q Features s Outline Dimensions 6.6 MAX. 5.2 ± 0.5 2.3 ± 0.5 (Unit : mm) Low power-loss (Dropout voltage : MAX. 0.5V) q Surface mount package (eq uivalent to SC-63) q Variable output vo ltage (3.0 to 20V) q.
Manufacture

Sharp Electrionic Components

Datasheet
Download 20WZ51 Datasheet




 20WZ51
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
Low Power-Loss Voltage Regulators
PQ20WZ51/PQ20WZ11
s Electrical Characteristics
(Unless otherwise specified, conditions shall be VIN=5V, Vo=3.3V,4,R1=2k, R2=500, Vc=2.7V, Ta=25˚C)
Parameter
Input voltage
Output voltage
Symbol
VIN
Vo
Conditions
––
––
MIN.
3.5
3.0
TYP.
––
––
MAX.
24
20
Unit
V
V
Load regulation
Line regulation
Ripple rejection
RegL
RegI
RR
5
VIN=4 to 10V, Io=5mA
Refer to Fig. 2
–– –– 2.0 %
–– –– 2.5 %
45 60 –– dB
Reference voltage
Temperature coefficient of Reference voltage
Dropout voltage
Quiescent current
7 ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Output OFF-state consumption current
Vref
VcVref
Vi-o
Iq
Vc(ON)
Ic(ON)
Vc(OFF)
Ic(OFF)
Iqs
4
Tj=0 to 125˚C, Io=5mA
4, 6
Io=0A
––
––
Io=0A
Io=0A, Vc=0.4V
Io=0A, Vc=0.4V
2.574
––
––
––
2.0
––
––
––
––
2.64 2.706
±1.0 ––
–– 0.5
–– 8
–– ––
–– 200
–– 0.8
–– 2.0
–– 5.0
V
%
V
mA
V
µA
V
µA
µA
4 PQ20WZ51:Io=0.3A, PQ20WZ11:Io=0.5A
5 PQ20WZ51:Io=5mA to 0.5A, PQ20WZ11:Io=5mA to 1.0A
www.DataS6 hInepeutt4voUlta.cgeosmhall be the value when output voltage is 95% in comparison with the initial value.
7 In case of opening control terminal 2 , output voltage turns off.
Fig. 1 Test Circuit
VIN 0.33µF
1
3
VC 2
A IC
5
A
4
Iq 2k
R2
Vref
R1 V
47µF VO
A IO
+
V
RL
Fig. 2 Test Circuit for Ripple Rejection
0.33µF
1
3
ei
24
5
R2
47µF +
IO
V eo
VIN VC
R1
2k
RL
2.7V
VO=Vref X 1+ ––R2––
R1
[R1=2k,Vref Nearly =2.64V]
Fig. 3 Power Dissipation vs. Ambient
Temperature
10
PD:With infinite heat sink
8 PD
5
f=120Hz(sine wave)
ei(rms)=0.5V
IO=0.3A
RR=20 log(ei(rms)/eo(rms))
VIN=5V
VO=3.3V(R1=2k)
Fig. 4 Overcurrent Protection
Characteristics (Typical Value)
(PQ20WZ51)
4 VO=3.3V
3
ViO =0.5V
ViO =1V
2 ViO =2V
ViO =3V
1
0
20 0
50 80 100
150
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
0
0 0.5 1.0 1.5 2.0
Output current IO (A)




 20WZ51
Low Power-Loss Voltage Regulators
Fig. 5 Overcurrent Protection
Characteristics (Typical Value)
(PQ20WZ11)
4
VO=3.3V
ViO =0.5V
3
ViO =1V
ViO =2V
2 ViO =3V
1
0
0 0.5 1.0 1.5 2.0
Output current IO (A)
www.DataSheet4U.com
Fig. 7 Reference Voltage Deviation vs.
Junction Temperature (Typical Value)
25
VIN=7V
20 VO=3.3V(R1=2k,R2=0.5k)
15 IO=0.3A (PQ20WZ51)
10 =0.5A (PQ20WZ11)
5
0
PQ20WZ11
5
10
15 PQ20WZ51
20
25
25
0 25 50 75 100
Junction temperature Tj (˚C)
125
Fig. 9 Output Voltage vs. Input Voltage
(PQ20WZ11)
8 R1=2k,R2=0.5k
VC=2.7V , Ci=0.33µF , C0=47µF
7 Tj=25˚C
6
5
4
3 RL=∞Ω
2
RL=6.6
1 RL=3.3
0
012345678
Input voltage VIN (V)
PQ20WZ51/PQ20WZ11
Fig. 6 Output Voltage Adjustment
Characteristics
20
R1=2k
15
10
5
0
0.1 1 10 100
R2 (k)
Fig. 8 Output Voltage vs. Input Voltage
(PQ20WZ51)
8 R1=2k,R2=0.5k
VC=2.7V , Ci=0.33µF , C0=47µF
7 Tj=25˚C
6
5
4
RL=∞Ω
3
2 RL=11
1 RL=6.6
0
012345678
Input voltage VIN (V)
Fig.10 Dropout Voltage vs. Junction
Temperature (PQ20WZ51)
0.2
VIN=3.135V, Vc=2.7V, R1=2k, R2=500, IO=0.3A
0.19
0.18
0.17
0.16
0.15
0.14
0.13
0.12
0.11
0.1
25
0 25 50 75 100 125
Junction temperature Tj (˚C)



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