ZHCUA34A May 2010 – February 2022 TPS51217
规格 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | |
---|---|---|---|---|---|---|
输入 | ||||||
VIN | 输入电压范围 | 8 | 12 | 20 | V | |
IMAX | 最大输入电流 | VIN = 8V,IOUT = 20A | 3 | A | ||
空载输入电流 | VIN = 8V,IOUT = 0A | 0.01 | mA | |||
VV5IN | 电压范围 | 4.5 | 5.0 | 5.5 | V | |
IMAX | 最大输入电流 | VV5IN = 5V,VIN = 12V,IOUT = 20A | 15 | mA | ||
空载输入电流 | VV5IN = 5V,VIN = 12V,IOUT = 0A | 0.4 | mA | |||
输出 | ||||||
VOUT | 输出电压 | VIN = 12V,(VID1,VID0) = (0,0),IOUT = 10A | 0.9 | V | ||
VIN = 12V,(VID1,VID0) = (0,1),IOUT = 10A | 1.0 | |||||
VIN = 12V,(VID1,VID0) = (1,0),IOUT = 10A | 1.1 | |||||
VIN = 12V,(VID1,VID0) = (0,0),IOUT = 10A | 1.2 | |||||
IOUT | 输出电流 | 输出负载电流 | 20 | A | ||
线路调节 | 8V ≤ VIN ≤ 20V,VOUT = 0.9V,IOUT = 20A | 0.3% | ||||
负载调节 | VIN = 12V,VOUT = 0.9V,1mA ≤ IOUT ≤ 20A | 0.4% | ||||
VRIPPLEL | VIN = 12V,VOUT = 0.9V,IOUT = 20A | 29 | mVP-P | |||
IOC | 输出过流 | 28 | ||||
系统 | ||||||
fSW | 开关频率 | VIN = 8V,VOUT = 0.9V,IOUT = 10A | 340 | kHz | ||
峰值效率 | VIN = 12V,VOUT = 0.9 | 88.8% | ||||
满负载效率 | VIN = 12V,VOUT = 0.9V,IOUT = 20A | 84.4% | ||||
TA | 工作环境温度 | 25 | °C |