pq1cz21h2z Sharp Microelectronics of the Americas, pq1cz21h2z Datasheet - Page 3

• Manufacturer Part Number: pq1cz21h2z
• Description: Dissipation Current Off-state Chopper Regulator
• Manufacturer: Sharp Microelectronics of the Americas

Fig.6 Reference Voltage Fluctuation vs.
Fig.8 Line Regulation vs. Input Voltage
Fig.4 Efficiency vs. Input Current
Junction Temperature
100
90
80
70
60
50
0.5
0.5
2
1
0
1
2
1
0
0
50
0
T
j
25 C
5
25
V
10
Junction temperature T
10
O
0
V
Input voltage V
Input voltage V
5V, I
O
15
12V, I
O
25
V
O
1A
20
20
O
5V, I
0.2A
50
IN
O
IN
25
(V)
V
(V)
0.2A
j
O
75
( C)
30
12V, I
30
V
V
IN
O
T
V
I
O
100
j
O
5V
O
35
12V
25 C
0.2A
5V
1A
40
125
40
Fig.7 Load Regulation vs. Output Current
Fig.9 Oscillation Frequency Fluctuation
Fig.5 Switching Current vs. Output
vs. Junction Temperature
Saturation Voltage
0.5
0.5
10
1.2
0.8
0.6
0.4
0.2
2
0
2
4
6
8
1
0
1
0
50
0
0
V
V
IN
O
25
5V
0.2
12V
Junction temperature T
0.5
Switching current I
0
Output current I
0.4
25
0.6
1
50
O
SW
0.8
(A)
j
75
( C)
(A)
1.5
PQ1CZ21H2Z
T
V
V
j
IN
O
T
100
25˚C
1
j
5V
12V
25 C
125
1.2
2