TNY274-280 datasheet(15/24 Pages) POWERINT

Part #	TNY274-280

Description	Energy-Efficient, Off-Line Switcher with Enhanced Flexibility and Extended Power Range

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Manufacturer	POWERINT [Power Integrations, Inc.]

Direct Link	http://www.powerint.com

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15 / 24 page

Rev. N 12/21

15

TNY274-280

www.power.com

Parameter

Symbol

Conditions

SOURCE = 0 V; T

J = -40 to 125 °C

See Figure 16

(Unless Otherwise Specified)

Min

Typ

Max

Units

Circuit Protection (cont.)

Power Coefficient

I2f

Standard Current

Limit, I2f = I

LIMIT(TYP)

2

× f

OSC(TYP)

T

J = 25 °C

TNY274-280P

0.9 ×

I2f

1.12 ×

I2f

A2Hz

TNY274-280G

0.9 ×

I2f

1.16 ×

I2f

Reduced Current

Limit, I2f = I

LIMITred(TYP)

2

× f

OSC(TYP)

T

J = 25 °C

TNY274-280P

0.9 ×

I2f

1.16 ×

I2f

TNY274-280G

0.9 ×

I2f

1.20 ×

I2f

Increased Current

Limit, I2f = I

LIMITinc(TYP)

2

× f

OSC(TYP)

T

J = 25 °C

TNY274-280P

0.9 ×

I2f

1.16 ×

I2f

TNY274-280G

0.9 ×

I2f

1.20 ×

I2f

Initial Current Limit

I

INIT

See Figure 19

T

J = 25 °C, See Note G

0.75 ×

I

LIMIT(MIN)

mA

Leading Edge

Blanking Time

t

LEB

T

J = 25 °C

See Note G

170

215

ns

Current Limit

Delay

t

ILD

T

J = 25 °C

See Note G, H

150

ns

Thermal Shutdown

Temperature

T

SD

135

142

150

°C

Thermal Shutdown

Hysteresis

T

SDH

75

°C

BP/M Pin Shutdown

Threshold Current

I

SD

4

6.5

9

mA

BP/M Pin Power up

Reset Threshold

Voltage

V

BP/M(RESET)

1.6

2.6

3.6

V

Output

ON-State

Resistance

R

DS(ON)

TNY274

I

D = 25 mA

T

J = 25 °C

28

32

W

T

J = 100 °C

42

48

TNY275

I

D = 28 mA

T

J = 25 °C

19

22

T

J = 100 °C

29

33

TNY276

I

D = 35 mA

T

J = 25 °C

14

16

T

J = 100 °C

21

24

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