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
| 參數 | 測試條件 | 最小值 | 典型值 | 最大值 | 單位 | |
|---|---|---|---|---|---|---|
| 基準 | ||||||
| VVREF | VREF 電壓，初始精度 | TJ = 25°C，IOUT = 1mA | 4.95 | 5 | 5.05 | V |
| 線性調節 | 12V ≤ VVDD ≤ 25V | 0.2 | 20 | mV | ||
| 負載調節 | 1mA 至 20mA | 3 | 25 | mV | ||
| 溫度穩定性(2) | 0.2 | 0.4 | mV/°C | |||
| 總輸出變化(2) | 4.85 | 5.15 | V | |||
| VREF 噪聲電壓(2) | 10Hz 至 10kHz，TJ = 25°C | 50 | μV | |||
| 長期穩定性(2) | 1000 小時，TJ = 125°C | 5 | 25 | mV | ||
| IVREF | 輸出短路（拉電流） | 30 | 45 | 55 | mA | |
| 振蕩器 | ||||||
| fOSC | 初始精度(3) | TJ = 25°C | 50.5 | 53 | 55 | kHz |
| 電壓穩定性 | 12V ≤ VVDD ≤ 25V | 0.2% | 1% | |||
| 溫度穩定性(2) | TJ(MIN) 至 TJ(MAX) | 1% | 2.5% | |||
| 振幅 | RT/CT 引腳峰峰值電壓 | 1.9 | V | |||
| 放電電流(4) | TJ = 25°C，VRT/CT = 2V | 7.7 | 8.4 | 9 | mA | |
| VRT/CT = 2V | 7.2 | 8.4 | 9.5 | |||
| 誤差放大器 | ||||||
| VFB | 反饋輸入電壓，初始精度 | VCOMP = 2.5V，TJ = 25°C | 2.475 | 2.5 | 2.525 | V |
| 反饋輸入電壓，總變化 | VCOMP = 2.5V | 2.45 | 2.5 | 2.55 | V | |
| IFB | 輸入偏置電流（拉電流） | VFB = 5V | 0.1 | 2 | μA | |
| AVOL | 開環電壓增益 | 2V ≤ VOUT ≤ 4V | 65 | 90 | dB | |
| 單位帶寬增益積(2) |
1 |
1.5 |
MHz | |||
| PSRR | 電源抑制比 | 12V ≤ VVDD ≤ 25V | 60 | dB | ||
| 輸出灌電流 | VFB = 2.7V，VCOMP = 1.1V | 2 | 14 | mA | ||
| 輸出拉電流 | VFB = 2.3V，VCOMP = 5V | 0.5 | 1 | mA | ||
| VOH | 高電平 COMP 電壓 | VFB = 2.7V，RCOMP = 15kΩ COMP 到 GND | VREF–0.2 | V | ||
| VOL | 低電平 COMP 電壓 | VFB = 2.7V，RCOMP = 15kΩ COMP 到 VREF | 0.1 | 1.1 | V | |
| 電流檢測 | ||||||
| ACS | 增益(5)(1) | 2.85 | 3 | 3.15 | V/V | |
| VCS | 最大輸入信號 | VFB < 2.4V | 0.9 | 1 | 1.1 | V |
| PSRR | 電源抑制比(2)(5) | 12V ≤ VVDD ≤ 25V | 70 | dB | ||
| ICS | 輸入偏置電流（拉電流） | 0.1 | 2 | μA | ||
| tD | CS 至輸出延遲 | 35 | 70 | ns | ||
| COMP 至 CS 失調電壓 | VCS = 0V | 1.15 | V | |||
| 輸出 | ||||||
| VOUT(low) | RDS(on) 下拉 | ISINK = 200mA | 5.5 | 15 | Ω | |
| VOUT(high) | RDS(on) 上拉 | ISOURCE = 200mA | 10 | 25 | Ω | |
| tRISE | 上升時間 | TJ = 25°C，COUT = 1nF | 25 | 50 | ns | |
| tFALL | 下降時間 | TJ = 25°C，COUT = 1nF | 20 | 40 | ns | |
| 欠壓鎖定 | ||||||
| VDDON | 啟動閾值(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 | 最小工作電壓(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% | |||
| 電源電流 | ||||||
| ISTART-UP | 啟動電流 | VVDD = VDDON – 0.5V | 50 | 75 | μA | |
| IVDD | 工作電源電流 | VFB = VCS = 0V | 1.3 | 2 | mA | |