VIPER28LDTR データシートの表示（PDF） - STMicroelectronics

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VIPER28LDTR

Off-line high voltage converters

STMicroelectronics 

VIPER28

Electrical data

Figure 4. Minimum turn-on time test circuit

14 V

3.5 V

GND

DRAIN

VDD

DRAIN

CONT

FB

EPT

50 Ω

30 V

VDRAIN

90 %

TONmin

10 %

IDRAIN

IDLIM

Time

Time

Figure 5. OVP threshold test circuits

14 V

GND

DRAIN

VDD

DRAIN

CONT

FB

EPT

2V

10 kΩ

30 V

VCONT

VOVP

VDRAIN

Time

Time

Note:

Adjust VDD above VDDon start-up threshold before setting to 14 V

Doc ID 15028 Rev 5

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