VIPER12ADIP-E datasheet(5/21 Pages) STMICROELECTRONICS

部件名	VIPER12ADIP-E

功能描述	Low power offline switched-mode power supply primary switcher

PDF	21 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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5 / 21 page

VIPER12A-E

Electrical characteristics

Doc ID 11977 Rev 2

5/21

Table 5.

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 6.

PWM comparator section

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

GID

IFB to ID current gain

(See Figure 12 on page 14)

320

IDlim

Peak current

limitation

VFB = 0 V

(See Figure 12 on page 14)

0.32

0.4

0.48

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 = 0.2 A

200

Blanking time

500

tONmin

Minimum Turn-ON

time

700

Table 7.

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 8.

Typical power capability

Mains type

SO-8

DIP-8

European (195 - 265 Vac)

13W

US / Wide range (85 - 265 Vac)

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