ZHCU982 March 2022 TLVM13660
除非另有指明,否则 VIN = 24V,VOUT = 5V,IOUT = 6A 且 FSW = 1MHz
参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | |
---|---|---|---|---|---|---|
输入特性 | ||||||
输入电压范围,VIN | 工作时 | 4 | 36 | V | ||
输入电压开启,VIN(on) | 使用 EN 分压电阻器调节 | 5.1 | ||||
输入电压关闭,VIN(off) | 3.65 | |||||
输入迟滞电压,VIN(hys) | 1.45 | |||||
输入电流,已禁用,IIN(off) | VEN = 0V(采用 402kΩ 和 133kΩ UVLO 分压器) | 45 | µA | |||
输出特性 | ||||||
输出电压,VOUT(1) | 可调节范围为 1V 到 6V | 4.9 | 5.0 | 5.1 | V | |
输出电流 IOUT | VIN = 4V 至 36V (2) | 0 | 6 | A | ||
输出电压调节,ΔVOUT | 负载调节 | IOUT = 0 A 至 6 A | 0.1% | |||
线路调整率 | VIN = 6 V 至 36 V | 0.1% | ||||
输出电压波纹,VOUT(AC) | 25 | mVrms | ||||
输出过流保护,IOCP | 8 | A | ||||
系统特点 | ||||||
默认开关频率,FSW(nom) | 在 200kHz 至 2.2MHz 之间可调(基于 VOUT) | 1 | MHz | |||
半负载效率,ηHALF(1) | VIN = 24V,IOUT = 3 A | VOUT = 5V,FSW = 1 MHz | 93.5% | |||
VOUT=3.3V,FSW=750kHz | 92.7% | |||||
VOUT=2.5V,FSW=500kHz | 89.4% | |||||
VOUT=1.8V,FSW=500kHz | 87% | |||||
VIN = 24V,IOUT = –2A (3) | VOUT = -5V,FSW = 1MHz | 90.5% | ||||
满载效率,ηFULL(1) | VIN = 24V,IOUT = 6A | VOUT = 5V,FSW = 1 MHz | 91.4% | |||
VOUT=3.3V,FSW=750kHz | 88.5% | |||||
VOUT=2.5V,FSW=500kHz | 85.7% | |||||
VOUT=1.8V,FSW=500kHz | 84% | |||||
VIN = 24V,IOUT = –4A (3) | VOUT = -5V,FSW = 1MHz | 89.2% | ||||
环境温度,TA | -40 | 105 | °C | |||
结温,TJ | -40 | 125 |