NCP1443FR4 ON Semiconductor, NCP1443FR4 Datasheet - Page 7

• Manufacturer Part Number: NCP1443FR4
• Description: IC REG 4A 280KHZ NEG POWERFLEX7
• Manufacturer: ON Semiconductor
• Type: Step-Up (Boost), Inverting, Flyback, Forward Converter, Sepicr

Specifications of NCP1443FR4

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 4A
• Frequency - Switching: 280kHz
• Voltage - Input: 2.7 ~ 30 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: Powerflex-7
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Other names: NCP1443FR4OSTR

125
100
−10
−12
−13
−14
−11
−2.46
−2.47
−2.48
−2.49
−2.50
−8
−9
75
50
25
0
−0.665 −0.67
0
Figure 13. Error Amplifier Bias Current versus
0
Figure 11. Feedback Reference Voltage versus
Figure 9. Switching Frequency versus
V
NFB
Temperature (NCP1443/5 Only)
T
20
, NEGATIVE FEEDBACK VOLTAGE (V)
Temperature (NCP1443/5 Only)
A
Negative Feedback Voltage
T
, AMBIENT TEMPERATURE (°C)
20
A
−0.675
, AMBIENT TEMPERATURE (°C)
T
A
= 85°C
40
−0.68
V
40
CC
T
A
= 2.7 V
= 25°C
−0.685
60
V
CC
60
V
V
CC
CC
= 30 V
V
−0.69
CC
= 12 V
= 12 V
12 V
= 30 V
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2.7 V
80
−0.695
80
7
1.276
1.275
1.274
1.273
1.272
1.271
1.270
1.269
1.268
0.30
0.29
0.28
0.27
0.26
0.25
0.24
0.23
0.22
0.21
0.20
97.0
96.5
96.0
95.5
95.0
94.5
94.0
93.5
93.0
0
0
0
Figure 10. Feedback Reference Voltage versus
Figure 12. Error Amplifier Bias Current versus
V
V
CC
CC
10
Figure 14. Maximum Duty Cycle versus
= 2.7 V
V
= 2.7 V
CC
T
Temperature (NCP1442/4 Only)
T
Temperature (NCP1442/3 Only)
T
= 30 V
A
A
20
20
20
A
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
V
CC
30
= 12 V
Temperature
V
40
CC
40
40
= 2.7 V
V
V
50
CC
CC
V
CC
= 30 V
= 12 V
60
60
60
= 30 V
V
CC
70
= 12 V
80
80
80