PQ20RX11 Sharp Microelectronics, PQ20RX11 Datasheet - Page 4

• Manufacturer Part Number: PQ20RX11
• Description: IC REG LDO ADJ 1A ON/OFF TO-220
• Manufacturer: Sharp Microelectronics

Specifications of PQ20RX11

• 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: Through Hole
• Package / Case: TO-220
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Dropout (typical): -
• Current - Limit (min): -
• Other names: 425-1722-5

Low Power-Loss Voltage Regulators
Fig.11 Dropout Voltage vs. Junction
Fig.13 Quiescent Current vs. Junction
Fig.15 Ripple Rejection vs. Output Current
0.19
0.18
0.17
0.16
0.15
0.14
0.13
0.12
0.11
0.2
0.1
80
75
70
65
60
55
50
45
40
5
4
3
2
1
0
–25
–25
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Temperature (PQ20RX05)
V
Temperature
(PQ20RX05)
IN
T
V
R
R
e
f=120Hz (sine wave)
=3.135V, Vc=2.7V, R
i
j
IN
1
2
=0.5V
Junction temperature T
=25˚C
=2k
=0.5k
=5V
0
0
Junction temperature T
Output current I
rms
25
25
50
50
1
=2k , R
75
75
2
O
=500 , Io=0.3A
(A)
j
V
I
V
R
R
(˚C)
O
IN
C
1
2
j
=0A
=2k
=500
100
100
(˚C)
=2.7V
=5V
125
125
Fig.12 Dropout Voltage vs. Junction
Fig.14 Ripple Rejection vs. Input Ripple
Fig.16 Ripple Rejection vs. Output Current
0.18
0.17
0.16
0.15
0.14
0.13
0.12
0.11
80
75
70
65
60
55
50
45
40
0.1
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 (PQ20RX11)
Frequency
(PQ20RX11)
T
V
R
R
V
T
V
R
R
e
f=120Hz (sine wave)
IN
j
IN
1
2
i
=25˚C
j
IN
1
2
=2k
=0.5k
=0.5V
=25˚C
=3.135V, Vc=2.7V, R
=2k
=0.5k
=5V
Input ripple frequency f (kHz)
=5V
Junction temperature T
0
PQ20RX05
Output current I
rms
I
e
RR=20log (e
O
i
=0.5V
1
=0.3A
25
PQ20RX05/PQ20RX11
rms
50
1
=2k , R
(sine wave)
i
PQ20RX11
/e
10
O
75
0
2
=500 , Io=0.5A
)
(A)
j
(˚C)
100
100
125
213