pq20vz11 Sharp Microelectronics of the Americas, pq20vz11 Datasheet - Page 3

• Manufacturer Part Number: pq20vz11
• Description: Variable Output, Surface Mount Type Power-loss Voltage Regulators
• Manufacturer: Sharp Microelectronics of the Americas

Low Power-Loss Voltage Regulators
Fig.3 Power Dissipation vs. Ambient
Note) Oblique line portion : Overheat protection may
Fig.5 Output Voltage Adjustment
Fig.7 Output Voltage vs. Input Voltage
20
15
10
16
14
12
10
10
operate in this area.
5
0
8
6
4
2
0
5
0
-20
0.1
0
Temperature
Characteristics
(PQ20VZ51)
R
1
2
=1k
Ambient temperature T
R
V
T
0
j
1
C
P
=25˚C
=1k ,R
=2.7V , C
4
Input voltage V
D
R
L
20
1
=40
With infinite heat sink
6
R
L
R
2
=
=7k
2
i
40
=0.33 F , C
8
(k )
R
10
L
=20
10
IN
60
(V)
12
a
(˚C)
0
=47 F
80
14
100
100
16
Fig.6 Reference Voltage Deviation
Fig.8 Output Voltage vs. Input Voltage
Fig.4 Overcurrent Protection
100
16
14
12
10
80
60
40
20
-1
-2
-3
-4
-5
-6
-7
-8
-9
8
6
4
2
0
0
6
5
4
3
2
1
0
-25
0
vs. Junction Temperature
(PQ20VZ11)
Characteristics (Typical Value)
2
Junction temperature T
R
V
T
0
PQ20VZ51
0.5
1
C
j
=25˚C
=1k ,R
=2.7V , C
V
R
C
Input voltage V
Output current I
4
R
IN
1
i
=0.33 F , C
=1k ,R
L
=12V , I
25
=20
6
R
PQ20VZ51/PQ20VZ11
1.0
L
2
=
=7k
i
50
=0.33 F , C
8
2
O
=7k
=5mA , V
0
R
=47 F
1.5
10
L
=10
IN
75
O
(V)
PQ20VZ11
(A)
12
j
2.0
0
C
100
(˚C)
=47 F
=2.7V
14
125
16