LNK454 datasheet(7/12 Pages) POWERINT

部品番号	LNK454

部品情報	LED Driver IC with TRIAC Dimming, Single-Stage PFC and Constant Current Control for Non-Isolated Applications

PDF	12 Pages

Scroll/Zoom	100%

メーカー	POWERINT [Power Integrations, Inc.]

ホームページ	http://www.powerint.com

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7 / 12 page

Rev. A 06/10

LNK454/456-458/460

www.powerint.com

This document contains information on a new product. Specifications and information herein

are subject to change without notice.

PRELIMINARY

Parameter

Symbol

Conditions

SOURCE = 0 V; T

J = -40 to +125 °C

(Unless Otherwise Specified)

Min

Typ

Max

Units

Control Function (cont.)

DRAIN Supply Current

FB > VFB(SK)

(MOSFET not switching)

450

µA

FB = 0 V

(MOSFET switching

at f

MAX)

LNK454

530

µA

LNK456

585

LNK457

650

LNK458

730

LNK460

1050

BYPASS Pin

Charge Current

CH1

BP = 0 V,

J = 25 °C

LNK454

-5.9

-4.2

-2.5

LNK456/457/458

-8.3

-5.9

-3.5

LNK460

-11.9

-8.5

-5.1

CH2

BP = 4 V,

J = 25 °C

LNK454

-3.4

-2.4

-1.4

LNK456/457/458

-5.2

-3.7

-2.2

LNK460

-8.0

-5.7

-3.4

BYPASS Pin Voltage

5.60

5.85

6.15

Circuit Protection

Current Limit

LIMIT(MIN)

di/dt = 160 mA/

µs

J = 25 °C

LNK454

245

264

283

di/dt = 325 mA/

µs

J = 25 °C

LNK456

491

528

565

di/dt = 490 mA/

µs

J = 25 °C

LNK457

790

850

910

di/dt = 650 mA/

µs

J = 25 °C

LNK458

1023

1100

1177

di/dt = 980 mA/

µs

J = 25 °C

LNK460

1581

1700

1819

Leading Edge

Blanking Time

LEB

J = 25 °C

160

200

Current Limit Delay

ILD

J = 25 °C

150

Thermal Shutdown

Temperature

135

142

150

°C

Thermal Shutdown

Hysteresis

SD(H)

°C

BYPASS Pin Power-up

Reset Threshold Voltage

BP(RESET)

4.9

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