TPS56C231
ZHCSNT8 –AUGUST 2022
www.ti.com.cn
6.6 典型特性(continued)
TJ = –40°C 至125°C，VIN = 12V（除非另有说明）
450
900
800
700
600
500
400
300
200
100
0
VIN=5V, VOUT=1.2V
VIN=12V, VOUT=1.2V
VIN=5V, VOUT=1.2V
VIN=12V, VOUT=1.2V
400
350
300
250
200
150
100
50
0
0.001
0.01
0.1
Output Current (A)
1
10 20
0.001
0.01
0.1
Output Current (A)
1
10 20
图6-25. fSW 负载调节，DCM 模式，fSW = 400kHz
图6-26. fSW 负载调节，DCM 模式，fSW = 800kHz
600
1200
VIN=5V, VOUT=1.2V
VIN=12V, VOUT=1.2V
1000
800
600
400
200
0
550
500
450
400
350
300
VIN=5V, VOUT=1.2V
VIN=12V, VOUT=1.2V
0.001
0.01
0.1
Output Current (A)
1
10 20
0
1
2
3
4
5
6
7
8
9
10 11 12
Output Current (A)
图6-28. fSW 负载调节，FCCM 模式，fSW = 400kHz
1200
图6-27. fSW 负载调节，DCM 模式，fSW = 1200kHz
900
1150
1100
1050
1000
950
850
800
750
700
650
600
550
500
900
850
800
VIN=5V, VOUT=1.2V
VIN=12V, VOUT=1.2V
VIN=5V, VOUT=1.2V
VIN=12V, VOUT=1.2V
750
700
0
1
2
3
4
5
6
7
8
9
10 11 12
0
1
2
3
4
5
6
7
8
9
10 11 12
Output Current (A)
Output Current (A)
图6-29. fSW 负载调节，FCCM 模式，fSW = 800kHz
图6-30. fSW 负载调节，FCCM 模式，fSW = 1200kHz
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