TNY280PN View Datasheet(PDF) - Power Integrations, Inc

Part Name

Description

Manufacturer

TNY280PN

TinySwitch®-III Family Enhanced/ Energy Efficient/ Low Power Off-line Switcher

Power Integrations, Inc 

TNY274-280

Parameter

Symbol

Conditions

SOURCE = 0 V; TJ = -40 to 125 °C

See Figure 16

(Unless Otherwise Specified)

CIRCUIT PROTECTION (cont.)

Reduced Current

Limit (BP/M

Capacitor = 1 µF)

See Note D

ILIMITred

TNY276

TJ = 25 °C

TNY277

TJ = 25 °C

TNY278

TJ = 25 °C

TNY279

TJ = 25 °C

TNY280

TJ = 25 °C

TNY274

TJ = 25 °C

di/dt = 70 mA/µs

See Note E

di/dt = 90 mA/µs

See Note E

di/dt = 110 mA/µs

See Note E

di/dt = 130 mA/µs

See Note E

di/dt = 150 mA/µs

See Note E

di/dt = 50 mA/µs

See Note E, F

Increased Current

Limit (BP/M

Capacitor = 10 µF)

See Note D

ILIMITinc

TNY275

TJ = 25 °C

TNY276

TJ = 25 °C

TNY277

TJ = 25 °C

TNY278

TJ = 25 °C

di/dt = 55 mA/µs

See Note E

di/dt = 70 mA/µs

See Note E

di/dt = 90 mA/µs

See Note E

di/dt = 110 mA/µs

See Note E

TNY279

TJ = 25 °C

di/dt = 130 mA/µs

See Note E

Power Coefficient

I2f

TNY280

TJ = 25 °C

I2f

=

I2

LIMIT(TYP)

×

fOSC(TYP)

di/dt = 150 mA/µs

See Note E

Standard

Current Limit

Reduced or

Increased

Current Limit

Initial Current Limit IINIT

See Figure 19

TJ = 25 °C, See Note G

Leading Edge

Blanking Time

tLEB

TJ = 25 °C

See Note G

Min

256

326

419

512

605

196

326

419

512

605

698

791

0.9 ×

I2f

0.9 ×

I2f

0.75 ×

ILIMIT(MIN)

170

Current Limit

Delay

tILD

TJ = 25 °C

See Note G, H

Thermal Shutdown

Temperature

TSD

135

Typ

275

350

450

550

650

210

350

450

550

650

750

850

I2f

I2f

215

150

142

Max Units

305

388

499

mA

610

721

233

388

499

610

mA

721

833

943

1.12 ×

I2f

1.16 ×

I2f

A2Hz

mA

ns

ns

150

°C

15 E

2/06

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