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）
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40
100
95
90
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20
VIN=5V, VOUT=1.2V, 800kHz
VIN=12V, VOUT=1.2V, 800kHz
VIN=5V, VOUT=1.2V, 800kHz
VIN=12V, VOUT=1.2V, 800kHz
0.001
0.01
0.1
1
10 20
0
0
0
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Output Current (A)
Output Current (A)
图6-13. 效率，DCM 模式，fSW = 800kHz
图6-14. 效率，FCCM 模式，fSW = 800kHz
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VIN=5V, VOUT=1.2V, 1200kHz
VIN=12V, VOUT=1.2V, 1200kHz
VIN=5V, VOUT=1.2V, 1200kHz
VIN=12V, VOUT=1.2V, 1200kHz
0.001
0.01
0.1
Output Current (A)
1
10 20
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Output Current (A)
图6-15. 效率，DCM 模式，fSW = 1200kHz
图6-16. 效率，FCCM 模式，fSW = 1200kHz
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VIN=12V, VOUT=1.2V, 400kHz
VIN=12V, VOUT=3.3V, 400kHz
VIN=12V, VOUT=5V, 400kHz
VIN=12V, VOUT=1.2V, 400kHz
VIN=12V, VOUT=3.3V, 400kHz
VIN=12V, VOUT=5V, 400kHz
0.001
0.01
0.1
1
10 20
1
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10 11 12
Output Current (A)
Output Current (A)
图6-17. 效率，DCM 模式，fSW = 400kHz
图6-18. 效率，FCCM 模式，fSW = 400kHz
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