NCP1443FR4 ON Semiconductor, NCP1443FR4 Datasheet - Page 9

• 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

−100
−200
−300
−400
−500
570
560
550
540
530
520
510
500
490
480
470
100
−0.25
0
0
Figure 21. Error Amplifier Transconductance
−0.2
Figure 23. Error Amplifier Output Current
−0.15
versus Positive Feedback Voltage
V
T
20
ref
A
, AMBIENT TEMPERATURE (°C)
−V
−0.1 −0.05
versus Temperature
FB
, FEEDBACK VOLTAGE (mV)
40
6.0
5.5
5.0
4.5
4.0
3.5
3.0
0
0
0.05
Figure 25. Switch Leakage Current versus
60
0.1 0.15
T
20
A
, AMBIENT TEMPERATURE (°C)
http://onsemi.com
0.2 0.25
80
Temperature
40
9
−150
−200
−100
−600
−650
−700
−750
−800
−850
−900
−950
100
−50
50
0
−0.3
0
Figure 24. Error Amplifier Output Current versus
60
Transconductance versus Temperature
Figure 22. Negative Error Amplifier
V
−0.2
ref
T
−V
20
A
Negative Feedback Voltage
, AMBIENT TEMPERATURE (°C)
NFB
80
, FEEDBACK VOLTAGE (mV)
−0.1
40
0
60
0.1
80
0.2