VIPER113LSTR datasheet(11/37 Pages) STMICROELECTRONICS

部件名	VIPER113LSTR

功能描述	Energy saving offline high voltage converter

PDF	37 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

11 / 37 page

DS11873 Rev 5

11/37

VIPer11

Electrical characteristics

tON_MIN

Minimum turn-on time

VCC = 9 V

VCOMP = 1 V

VFB = VFB_REF

250

300

350

tRESTART

Restart time after fault

0.65

1.35

Oscillator

FOSC

Switching frequency

TJ = 25 °C

VIPER11*X

kHz

TJ = 25 °C

VIPER11*L

TJ = 25 °C

VIPER11*H

108

120

132

FOSC_MIN

Minimum switching

frequency

TJ = 25 °C(2)

13.5

16.5

kHz

Modulation depth

(3)

±7

FOSC

Modulation frequency

(3)

260

DMAX

Max. duty cycle

(3)

Thermal shutdown

TSD

Thermal shutdown

temperature

(3)

150

160

°C

1. See Section 5.10: Pulse frequency modulation on page 21.

2. See Section 5.7: Pulse-skipping on page 20.

3. Parameter assured by design and characterization.

Table 7. Controller section (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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