Datasheet VIPER17 (STMicroelectronics) - 8
| 制造商 | STMicroelectronics |
| 描述 | Energy saving VIPerPlus: HV switching regulator for flyback converter |
| 页数 / 页 | 31 / 8 — Electrical data. VIPER17. Symbol. Parameter. Test condition. Min. Typ. … |
| 文件格式/大小 | PDF / 2.4 Mb |
| 文件语言 | 英语 |
Electrical data. VIPER17. Symbol. Parameter. Test condition. Min. Typ. Max. Unit. Oscillator section. Overcurrent protection (2nd OCP)
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Electrical data VIPER17 Symbol Parameter Test condition Min. Typ. Max. Unit Oscillator section
VIPER17L V 54 60 66 kHz DD = operating voltage range FOSC VFB = 1 V VIPER17H 103 115 127 kHz VIPER17L ±4 kHz FD Modulation depth VIPER17H ±8 kHz FM Modulation frequency 250 Hz DMAX Maximum duty cycle 70 80 %
Overcurrent protection (2nd OCP)
IDMAX Second over current threshold (2) 0.6 A
Overvoltage protection
VOVP Overvoltage protection threshold 2.7 3 3.3 V TSTROBE Overvoltage protection strobe time 2.2 µs
Brown out protection
VBRth Brown out threshold Voltage falling 0.41 0.45 0.49 V VBRhyst Voltage hysteresis above VBRth 50 mV IBRhyst Current hysteresis 7 12 µA VBRclamp Clamp voltage IBR = 250 µA 3 V VDIS Brown out disable voltage 50 150 mV
Thermal shutdown
TSD Thermal shutdown temperature (2) 150 160 °C THYST Thermal shutdown hysteresis (2) 30 °C
Notes:
(1)IDlim @ VDD lower than 10 V can range between -5 % and +15 %. (2)Specification assured by design, characterization and statistical correlation. 8/31 DocID14419 Rev 11
Electrical data VIPER17 Symbol Parameter Test condition Min. Typ. Max. Unit Oscillator section
VIPER17L V 54 60 66 kHz DD = operating voltage range FOSC VFB = 1 V VIPER17H 103 115 127 kHz VIPER17L ±4 kHz FD Modulation depth VIPER17H ±8 kHz FM Modulation frequency 250 Hz DMAX Maximum duty cycle 70 80 %
Overcurrent protection (2nd OCP)
IDMAX Second over current threshold (2) 0.6 A
Overvoltage protection
VOVP Overvoltage protection threshold 2.7 3 3.3 V TSTROBE Overvoltage protection strobe time 2.2 µs
Brown out protection
VBRth Brown out threshold Voltage falling 0.41 0.45 0.49 V VBRhyst Voltage hysteresis above VBRth 50 mV IBRhyst Current hysteresis 7 12 µA VBRclamp Clamp voltage IBR = 250 µA 3 V VDIS Brown out disable voltage 50 150 mV
Thermal shutdown
TSD Thermal shutdown temperature (2) 150 160 °C THYST Thermal shutdown hysteresis (2) 30 °C
Notes:
(1)IDlim @ VDD lower than 10 V can range between -5 % and +15 %. (2)Specification assured by design, characterization and statistical correlation. 8/31 DocID14419 Rev 11