ZHCSPH5C June 2022 – March 2023 UCC28C50 , UCC28C51 , UCC28C52 , UCC28C53 , UCC28C54 , UCC28C55 , UCC28C56H , UCC28C56L , UCC28C57H , UCC28C57L , UCC28C58 , UCC28C59 , UCC38C50 , UCC38C51 , UCC38C52 , UCC38C53 , UCC38C54 , UCC38C55
PRODUCTION DATA
参数 | 测试条件 | 最小值 | 典型值 | 最大值 | 单位 | |
---|---|---|---|---|---|---|
基准 | ||||||
VVREF | VREF 电压,初始精度 | TJ = 25°C,IOUT = 1mA | 4.95 | 5 | 5.05 | V |
线性调节 | 12V ≤ VVDD ≤ 25V | 0.2 | 20 | mV | ||
负载调节 | 1mA 至 20mA | 3 | 25 | mV | ||
温度稳定性(2) | 0.2 | 0.4 | mV/°C | |||
总输出变化(2) | 4.85 | 5.15 | V | |||
VREF 噪声电压(2) | 10Hz 至 10kHz,TJ = 25°C | 50 | µV | |||
长期稳定性(2) | 1000 小时,TJ = 125°C | 5 | 25 | mV | ||
IVREF | 输出短路(拉电流) | 30 | 45 | 55 | mA | |
振荡器 | ||||||
fOSC | 初始精度(3) | TJ = 25°C | 50.5 | 53 | 55 | kHz |
电压稳定性 | 12V ≤ VVDD ≤ 25V | 0.2% | 1% | |||
温度稳定性(2) | TJ(MIN) 至 TJ(MAX) | 1% | 2.5% | |||
振幅 | RT/CT 引脚峰峰值电压 | 1.9 | V | |||
放电电流(4) | TJ = 25°C,VRT/CT = 2V | 7.7 | 8.4 | 9 | mA | |
VRT/CT = 2V | 7.2 | 8.4 | 9.5 | |||
误差放大器 | ||||||
VFB | 反馈输入电压,初始精度 | VCOMP = 2.5V,TJ = 25°C | 2.475 | 2.5 | 2.525 | V |
反馈输入电压,总变化 | VCOMP = 2.5V | 2.45 | 2.5 | 2.55 | V | |
IFB | 输入偏置电流(拉电流) | VFB = 5V | 0.1 | 2 | µA | |
AVOL | 开环电压增益 | 2V ≤ VOUT ≤ 4V | 65 | 90 | dB | |
单位带宽增益积(2) |
1 |
1.5 |
MHz | |||
PSRR | 电源抑制比 | 12V ≤ VVDD ≤ 25V | 60 | dB | ||
输出灌电流 | VFB = 2.7V,VCOMP = 1.1V | 2 | 14 | mA | ||
输出拉电流 | VFB = 2.3V,VCOMP = 5V | 0.5 | 1 | mA | ||
VOH | 高电平 COMP 电压 | VFB = 2.7V,RCOMP = 15kΩ COMP 到 GND | VREF–0.2 | V | ||
VOL | 低电平 COMP 电压 | VFB = 2.7V,RCOMP = 15kΩ COMP 到 VREF | 0.1 | 1.1 | V | |
电流检测 | ||||||
ACS | 增益(5)(1) | 2.85 | 3 | 3.15 | V/V | |
VCS | 最大输入信号 | VFB < 2.4V | 0.9 | 1 | 1.1 | V |
PSRR | 电源抑制比(2)(5) | 12V ≤ VVDD ≤ 25V | 70 | dB | ||
ICS | 输入偏置电流(拉电流) | 0.1 | 2 | µA | ||
tD | CS 至输出延迟 | 35 | 70 | ns | ||
COMP 至 CS 失调电压 | VCS = 0V | 1.15 | V | |||
输出 | ||||||
VOUT(low) | RDS(on) 下拉 | ISINK = 200mA | 5.5 | 15 | Ω | |
VOUT(high) | RDS(on) 上拉 | ISOURCE = 200mA | 10 | 25 | Ω | |
tRISE | 上升时间 | TJ = 25°C,COUT = 1nF | 25 | 50 | ns | |
tFALL | 下降时间 | TJ = 25°C,COUT = 1nF | 20 | 40 | ns | |
欠压锁定 | ||||||
VDDON | 启动阈值(6) | UCCx8C52、UCCx8C54 | 13.5 | 14.5 | 15.5 | V |
UCCx8C53、UCCx8C55 | 7.8 | 8.4 | 9 | |||
UCCx8C50、UCCx8C51 | 6.5 | 7 | 7.5 | |||
UCC28C56H、UCC28C57H |
17.6 | 18.8 | 20 | |||
UCC28C56L、UCC28C57L |
17.6 | 18.8 | 20 | |||
UCC28C58、UCC28C59 |
14.8 | 16 | 17.2 | |||
VDDOFF | 最小工作电压(6) | UCCx8C52、UCCx8C54 | 8 | 9 | 10 | V |
UCCx8C53、UCCx8C55 | 7 | 7.6 | 8.2 | |||
UCCx8C50、UCCx8C51 | 6.1 | 6.6 | 7.1 | |||
UCC28C56H、UCC28C57H |
15 | 15.5 | 16 | |||
UCC28C56L、UCC28C57L |
13.95 | 14.5 | 15 | |||
UCC28C58、UCC28C59 |
12 | 12.5 | 13 | |||
VDDHyst | VDDON - VDDOFF | UCCx8C52、UCCx8C54 |
5.4 |
5.5 |
V |
|
UCCx8C53、UCCx8C55 |
0.8 |
0.9 |
||||
UCCx8C50、UCCx8C51 |
0.4 |
0.5 |
||||
UCC28C56H、UCC28C57H |
2.6 |
3.3 |
||||
UCC28C56L、UCC28C57L |
3.65 |
4.3 |
||||
UCC28C58、UCC28C59 |
2.8 |
3.5 |
||||
PWM | ||||||
DMAX | 最大占空比 | UCCx8C52、UCCx8C53、UCCx8C50,VFB < 2.4V | 94% | 96% | ||
UCC28C56H、UCC28C56L、UCC28C58,VFB < 2.4V |
94% | 96% | ||||
UCCx8C54、UCCx8C55、UCCx8C51,VFB < 2.4V | 47% | 48% | ||||
UCC28C57H、UCC28C57L、UCC28C59,VFB < 2.4V | 47% | 48% | ||||
DMIN | 最小占空比 | VFB > 2.6V | 0% | |||
电源电流 | ||||||
ISTART-UP | 启动电流 | VVDD = VDDON – 0.5V | 50 | 75 | µA | |
IVDD | 工作电源电流 | VFB = VCS = 0V | 1.3 | 2 | mA |