BL9582 datasheet(5/16 Pages) BELLING

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BL9582 Rev 1.2

Belling Proprietary Information. Unauthorized Photocopy and Duplication Prohibited

2/2010

BL9582

32V, 1.4A Step-down

High Brightness LED Driver with Internal Switch

Electrical Characteristics (continued)

(Test conditions: VIN =12V, TA = 25°C, unless otherwise noted.)

Symbol

Parameter

Conditions

MIN

TYP

MAX

Unit

ILX(MEAN)

Continuous LX switch current

1.4

TEN, DELAY

Chip enable delay time

The delay time between ADJ

pin rising edge and LX pin

falling edge

480

TENB, DELAY

Chip disable delay time

The delay time between ADJ

pin falling edge and LX pin

rising edge

fLX(MAX)

Recommended maximum

operating frequency

MHz

TOTP

Over temperature protection

threshold

Temperature rising

160

°C

TSD(HYS)

Over temperature protection

hysteresis

Temperature falling

°C

Note 6:

100% production test at +25°C. Specifications over the temperature range are guaranteed by design and

characterization.

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