NCP4303B ON Semiconductor, NCP4303B Datasheet - Page 25

• Manufacturer Part Number: NCP4303B
• Description: Secondary Side Synchronous Rectification Driver
• Manufacturer: ON Semiconductor

180
160
140
120
100
80
60
40
20
0
Figure 56. IC Power Consumption as a Function of Frequency for C
50
100
Function of Frequency for C
Figure 54. IC Power Consumption as a
150
OPERATING FREQUENCY (kHz)
R
ton_min
200
NCP4303B,
NCP4303A,
V
V
CC
CC
= R
250
= 30 V
= 30 V
toff_min
800
700
600
500
400
300
200
100
NCP4303B,
V
300
0
CC
50
= 12 V
= 5 kW
350
NCP4303A,
V
100
load
CC
= 12 V
400
= 0 nF,
150
OPERATING FREQUENCY (kHz)
450
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200
NCP4303B,
V
NCP4303A/B
CC
NCP4303B,
V
500
= 12 V
CC
250
= 30 V
25
300
NCP4303A,
400
350
300
250
200
150
100
V
50
CC
0
50
= 30 V
350
NCP4303A,
V
CC
100
Function of Frequency for C
Figure 55. IC Power Consumption as a
400
= 12 V
load
150
NCP4303A,
V
OPERATING FREQUENCY (kHz)
CC
R
450
= 10 nF, R
ton_min
= 30 V
200
500
= R
250
ton_min
toff_min
300
= R
= 5 kW
350
NCP4303B,
toff_min
V
load
CC
NCP4303A,
NCP4303B,
V
V
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= 12 V
CC
CC
400
= 1 nF,
= 12 V
= 30 V
= 5 kW
450
500