VIPER22AS-E datasheet(5/21 Pages) STMICROELECTRONICS

5 / 21 page

VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E

Electrical characteristics

Doc ID 12050 Rev 2

5/21

Table 6.

Oscillation section

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

FOSC

Oscillator frequency

total variation

VDD = VDDoff ... 35 V;

TJ = 0 ... 100 °C

kHz

Table 7.

PWM comparator section

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

GID

IFB to ID current gain

(See Figure 12 on page 14)

560

IDlim

Peak current

limitation

VFB = 0 V

(See Figure 12 on page 14)

0.56

0.7

0.84

IFBsd

IFB shutdown current

(See Figure 12 on page 14)

0.9

RFB

FB pin input

impedance

ID = 0 mA

(See Figure 12 on page 14)

1.2

Current sense delay

to turn-OFF

ID = 0.4 A

200

Blanking time

500

tONmin

Minimum turn-ON

time

700

Table 8.

Overtemperature section

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

TSD

Thermal shutdown

temperature

(See Figure 13 on page 14)

140

170

°C

THYST

Thermal shutdown

hysteresis

(See Figure 13 on page 14)

°C

Table 9.

Typical power capability (1)

Above power capabilities are given under adequate thermal conditions

Mains type

SO-8

DIP-8

European (195 - 265 Vac)

12 W

20 W

US / Wide range (85 - 265 Vac)

7 W

12 W

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