ZHCSQC5C December 2022 – June 2024 TPS7A21-Q1
PRODMIX
参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | ||
---|---|---|---|---|---|---|---|
ΔVOUT | 输出电压容差 | VIN = (VOUT(NOM) + 0.3V) 至 6.0V, 1mA < IOUT ≤ 500mA, VOUT ≥ 3.3V |
-2.25 | 1.5 | % | ||
VIN = (VOUT(NOM) + 0.3V) 至 6.0V, 1mA < IOUT ≤ 500mA, 2.8V ≤ VOUT < 3.3V |
-2.5 | 1.5 | |||||
VIN = (VOUT(NOM) + 0.3V) 至 6.0V, IOUT = 1mA VOUT ≥ 2.8V |
-1 | 1 | |||||
VIN = (VOUT(NOM) + 0.3V) 至 6.0V, 1mA < IOUT ≤ 500mA, VOUT < 2.8V |
-70 | 50 | mV | ||||
VIN = (VOUT(NOM) + 0.3V) 至 6.0V, IOUT = 1mA VOUT < 2.8V |
-50 | 50 | |||||
ΔVOUT | 线性调整率 | VIN = (VOUT(NOM) + 0.3V) 至 6.0V, IOUT = 1mA |
0.03 | %/V | |||
ΔVOUT | 负载调整率 | IOUT = 1mA 至 500mA | 0.003 | %/mA | |||
IGND | 静态电流 | VEN = VIN,VIN = 6.0V,IOUT = 0mA | TJ = 25°C | 6.5 | 9 | µA | |
TJ = –40°C 至 85°C | 11 | ||||||
TJ = –40°C 至 125°C | 15 | ||||||
TJ = –40°C 至 150°C | 18 | ||||||
VEN = VIN,VIN = 6.0V,IOUT = 500mA | 2300 | 3500 | |||||
ISHTDWN | 关断电流 | VEN = 0V(禁用),VIN = 6.0V,TJ = 25°C | 0.15 | 1 | µA | ||
VEN = 0V(禁用),VIN = 6.0V,TJ = –40°C 至 150°C | 10 | ||||||
IQ(DO) | 处于压降状态时的静态电流 | VIN ≤ VOUT(NOM),IOUT = 0mA | 7 | 15 | µA | ||
VDO | 压降电压 | IOUT = 500mA, VOUT = 95% × VOUT(NOM) |
0.8V ≤ VOUT < 1.0V (1) | 825 | mV | ||
1.0V ≤ VOUT < 1.2V (1) | 605 | ||||||
1.2V ≤ VOUT < 1.5V (1) | 470 | ||||||
1.5V ≤ VOUT < 2.5V | 355 | ||||||
2.5V ≤ VOUT ≤ 5.5V | 265 | ||||||
ICL | 输出电流限制 | VOUT = 0.9 × VOUT(NOM) | 650 | 1060 | 1500 | mA | |
ISC | 短路电流限制 | VOUT = 0V | 325 | mA | |||
PSRR | 电源抑制比 | IOUT = 20mA, VIN = VOUT + 1.0V |
f = 100Hz | 90 | dB | ||
f = 1kHz | 91 | ||||||
f = 10kHz | 71 | ||||||
f = 100kHz | 61 | ||||||
f = 1MHz | 50 | ||||||
IOUT = 500mA, VIN = VOUT + 1.0V |
f = 100Hz | 65 | |||||
f = 1kHz | 85 | ||||||
f = 10kHz | 79 | ||||||
f = 100kHz | 44 | ||||||
f = 1MHz | 50 | ||||||
VN | 输出噪声电压 | BW = 10Hz 至 100kHz, VOUT = 2.8V |
IOUT = 500mA | 7.7 | µVRMS | ||
IOUT = 1mA | 10 | ||||||
RPULLDOWN | 输出自动放电下拉电阻 | VIN = 2V,VEN < VIL(禁用输出) | 150 | Ω | |||
TSD | 热关断上升 | TJ 上升 | 165 | °C | |||
热关断下降 | TJ 下降 | 140 | |||||
VEN(LOW) | 低电平输入阈值 | VIN = 2.0V 至 6.0V, VEN 下降,直到输出被禁用 |
0.3 | V | |||
VEN(HI) | 高电平输入阈值 | VIN = 2.0V 至 6.0V, VEN 上升,直到输出使能 |
0.9 | V | |||
VUVLO | UVLO 阈值 | VIN 上升 | 1.11 | 1.32 | 1.63 | V | |
VIN 下降 | 1.05 | 1.27 | 1.57 | ||||
VUVLO(HYST) | UVLO 迟滞 | 50 | mV | ||||
IEN | EN 引脚漏电流 | VEN = 6.0V 和 VIN = 6.0V | 100 | 300 | nA | ||
REN(PULL-DOWN) | 智能使能端下拉电阻 | 440 | kΩ | ||||
tON | 开通时间 | 从 VEN > VIH 到 VOUT = VOUT(NOM) 的 95% | 120 | 200 | 280 | µs |