PQ20WZ1U Sharp Microelectronics, PQ20WZ1U Datasheet - Page 4

• Manufacturer Part Number: PQ20WZ1U
• Description: IC REG LDO ADJ 1A ON/OFF SC-63
• Manufacturer: Sharp Microelectronics

Specifications of PQ20WZ1U

• 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: 425-1723-2

Low Power-Loss Voltage Regulators
Fig.11 Dropout Voltage vs. Junction
Fig.13 Ripple Rejection vs. Input Ripple
Fig.15 Ripple Rejection vs. Output Current
0.18
0.17
0.16
0.15
0.14
0.13
0.12
0.11
0.1
80
75
70
65
60
55
50
45
40
80
75
70
65
60
55
50
45
40
0.1
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
–25
Temperature (PQ20WZ11)
Frequency
V
T
V
R
R
(PQ20WZ11)
IN
T
V
R
R
e
f=120Hz (sine wave)
j
IN
1
2
i(rms)
=3.135V, Vc=2.7V, R
=25˚C
j
1
2
=2kΩ
=0.5kΩ
IN
=25˚C
=2kΩ
=0.5kΩ
=5V
Input ripple frequency f (kHz)
=5V
Junction temperature T
0
PQ20WZ51
=0.5V
Output current I
I
e
RR=20 log(e
O
i(rms)
25
=0.3A
1
=0.5V (sine wave)
50
1
=2kΩ, R
i(rms)
PQ20WZ11
10
75
2
O
/e
=500Ω, I
(A)
o(rms)
j
(˚C)
100
O
)
=0.5A
100
125
Fig.12 Quiescent Current vs. Junction
Fig.14 Ripple Rejection vs. Output Current
Fig.16 Circuit Operating Current vs. Input
80
75
70
65
60
55
50
45
40
20
15
10
5
4
3
2
1
0
5
0
–25
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
0
Temperature
(PQ20WZ51)
Voltage (PQ20WZ51)
Vc=2.7V,
R
(Vo=3.3V)
T
V
R
R
e
f=120Hz (sine wave)
1
=2kΩ, R
i(rms)
j
1
2
IN
=25˚C
Junction temperature T
=2kΩ
=0.5kΩ
=5V
1
0
=0.5V
Output current I
Input voltage V
2
=500Ω
25
2
PQ20WZ51/PQ20WZ11
50
3
75
IN
4
O
(V)
(A)
R
j
R
V
I
V
R
R
R
(˚C)
L
O
1
2
L
IN
C
L
=0A
=6.6Ω
=2kΩ
=500Ω
100
=2.7V
=∞Ω
=11Ω
=5V
5
125
6