PQ20WZ11 Sharp Microelectronics, PQ20WZ11 Datasheet - Page 2

• Manufacturer Part Number: PQ20WZ11
• Description: IC REG LDO ADJ 1A ON/OFF SC-63
• Manufacturer: Sharp Microelectronics

Specifications of PQ20WZ11

• Regulator Topology: Positive Adjustable
• Voltage - Output: 3 ~ 20 V
• Voltage - Input: 3.5 ~ 24 V
• Number Of Regulators: 1
• Current - Output: 1A
• Operating Temperature: -20°C ~ 80°C
• Mounting Type: Surface Mount
• Package / Case: SC-63-5
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Dropout (typical): -
• Current - Limit (min): -
• Other names: 425-1723-5

I
❇4
❇5
❇6
❇7
Low Power-Loss Voltage Regulators
❇7
V
Fig. 3 Power Dissipation vs. Ambient
Fig. 1 Test Circuit
Note) Oblique line portion : Overheat protection may operate in this area.
PQ20WZ51:Io=0.3A, PQ20WZ11:Io=0.5A
PQ20WZ51:Io=5mA to 0.5A, PQ20WZ11:Io=5mA to 1.0A
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
In case of opening control terminal
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of Reference voltage
Dropout voltage
Quiescent current
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
IN
Electrical Characteristics
0.33µF
10
V
V
8
5
0
–20
C
O
A
=V
Temperature
[R
1
2
ref
1
=2kΩ,Vref Nearly =2.64V]
I
✕ 1+ –––––
Parameter
C
0
Ambient temperature T
P
A
5
D
R
R
2
1
I
q
3
4
P
2kΩ
D
:With infinite heat sink
50
2
R
R
, output voltage turns off.
2
1
V
V
ref
80
100
47µF
a
+
(˚C)
Symbol
Vc(
Vc(
Ic(
VcV
Ic(
(Unless otherwise specified, conditions shall be V
R
R
V
V
V
RR
Vo
A
I
I
eg
eg
OFF
i
qs
ON
OFF
IN
ref
q
-o
ON
R
L
I
ref
L
V
)
I
)
)
)
O
O
V
150
❇5
V
Refer to Fig. 2
❇4
T
❇4, 6
Io=0A
Io=0A
Io=0A, Vc=0.4V
Io=0A, Vc=0.4V
IN
j
=0 to 125˚C, Io=5mA
=4 to 10V, Io=5mA
Conditions
––
––
––
––
Fig. 2 Test Circuit for Ripple Rejection
Fig. 4 Overcurrent Protection
V
ei
IN
0.33µF
4
3
2
1
0
0
Characteristics (Typical Value)
(PQ20WZ51)
V
2.7V
V
1
C
2
O
=3.3V
IN
=5V, Vo=3.3V,
5
0.5
Output current I
f=120Hz(sine wave)
e
I
RR=20 log(e
V
V
O
i(rms)
IN
O
=0.3A
3
4
=3.3V(R
=5V
MIN.
2.574
PQ20WZ51/PQ20WZ11
3.5
3.0
2.0
––
––
45
––
––
––
––
––
––
––
=0.5V
❇4
1.0
1
2kΩ
,R
=2kΩ)
R
R
i(rms)
1
2
1
=2kΩ, R
TYP.
47µF
2.64
±1.0
V
V
/e
V
V
60
––
––
––
––
––
––
––
––
––
––
––
i
i
–O
i
O
o(rms)
i
–O
–O
–O
(A)
=0.5V
2
=1V
=2V
=3V
1.5
=500Ω, Vc=2.7V, T
+
)
MAX.
2.706
200
2.0
2.5
0.5
0.8
2.0
5.0
24
20
––
––
––
8
R
L
I
O
V
2.0
eo
Unit
mA
dB
µA
µA
µA
a
V
V
%
%
V
%
V
V
V
=25˚C)