VIPER22-LED-EV データシートの表示（PDF） - STMicroelectronics

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VIPER22-LED-EV

Low power OFF-line SMPS primary switcher

STMicroelectronics 

VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E

Electrical characteristics

Table 6. Oscillation section

Symbol

Parameter

Test conditions

FOSC

Oscillator frequency

total variation

VDD = VDDoff ... 35 V;

TJ = 0 ... 100 °C

Table 7. PWM comparator section

Symbol

Parameter

Test conditions

GID

IDlim

IFBsd

RFB

td

tb

tONmin

IFB to ID current gain

Peak current

limitation

(See Figure 12 on page 14)

VFB = 0 V

(See Figure 12 on page 14)

IFB shutdown current

FB pin input

impedance

(See Figure 12 on page 14)

ID = 0 mA

(See Figure 12 on page 14)

Current sense delay

to turn-OFF

ID = 0.4 A

Blanking time

Minimum turn-ON

time

Min Typ Max Unit

54 60 66 kHz

Min Typ Max Unit

560

0.56 0.7 0.84 A

0.9

mA

1.2

kΩ

200

ns

500

ns

700

ns

Table 8.

Symbol

TSD

THYST

Overtemperature section

Parameter

Test conditions

Thermal shutdown

temperature

(See Figure 13 on page 14)

Thermal shutdown

hysteresis

(See Figure 13 on page 14)

Min Typ Max Unit

140 170

°C

40

°C

Table 9. Typical power capability (1)

Mains type

SO-8

European (195 - 265 Vac)

US / Wide range (85 - 265 Vac)

12 W

7W

1. Above power capabilities are given under adequate thermal conditions

DIP-8

20 W

12 W

Doc ID 12050 Rev 2

5/21

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