PQ2CF1 Sharp Microelectronics, PQ2CF1 Datasheet - Page 3

• Manufacturer Part Number: PQ2CF1
• Description: IC REG CHOPPER ADJ 2.5A TO-220
• Manufacturer: Sharp Microelectronics
• Type: Step-UP (Boost), Flybackr

Specifications of PQ2CF1

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 4.5 ~ 35 V
• Current - Output: 2.5A
• Frequency - Switching: 50kHz
• Voltage - Input: 3.5 ~ 10 V
• Operating Temperature: -20°C ~ 80°C
• Mounting Type: Through Hole
• Package / Case: TO-220
• Power - Output: 15W
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 425-1770-5

Chopper Regulators
Fig. 3 Overcurrent Protection Characteristics
Fig. 5 Reference Voltage Fluctuation vs.
Fig. 7 Line Regulation vs. Input Voltage
–0.5
–0.5
0.5
0.5
–1
15
10
1
0
1
0
–25
5
0
0
0
Junction Temperature
0.5
Junction temperature T
0
Vo=12V
Output current Io (A)
Input voltage V
1
5
25
1.5
C
L=90 H, V
Vo=12V, Io=0.2A
C=0.47 F, R=1k
C
L=90 H, Io=0.2A,
C=0.47 F, R=1k
Vo=24V
IN
IN
50
10
2
=100 F, Co=470 F
=100 F, Co=470 F
2.5
IN
75
V
Vo=12V
C
Co=470 F
L=90 H
(V)
IN
IN
IN
15
=5V
3
j
=5V
=100 F
(˚C)
100
3.5
125
20
Fig. 4 Efficiency vs. Input Voltage
Fig. 6 Load Regulation vs. Output current
Fig. 8 Oscillation Frequency Fluctuation vs.
–0.1
–0.2
–0.3
–0.4
–0.5
–10
–15
100
10
–5
90
80
70
60
50
40
30
20
10
0.5
0.4
0.3
0.2
0.1
5
0
0
–25
0
0
Junction Temperature
V
Vo=12V
0.1
Junction temperature T
IN
0
100
=5V
Output current Io (mA)
Output current Io (A)
0.2
25
200
0.3
C
L=90 H, V
Vo=12V, Io=0.2A
C=1 F, R=1k
C
L=90 H, V
Vo=12V, C=0.47 F
R=1k
IN
IN
50
=100 F, Co=470 F
=100 F, Co=470 F
0.4
300
75
0.5
IN
IN
=5V
j
=5V
(˚C)
400
0.6
100
0.7
PQ2CF1
125
500
263