BCR450 datasheet(8/16 Pages) INFINEON

номер детали	BCR450

подробное описание детали	LED Driver IC

PDF	16 Pages

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производитель	INFINEON [Infineon Technologies AG]

домашняя страница	http://www.infineon.com

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Datasheet

Rev. 3.1, 2013-02-21

BCR450

LED Driver IC

Electrical Characteristics

3.2

Digital Signals

All parameters are tested at 25 °C, unless otherwise specified

Table 6

Digital Control Parameter (EN)

Parameter

Symbol

Values

Unit

Note /

Test Condition

Min.

Typ.

Max.

PWM signal frequency

PWM

1000

dutycycle = 1%;

signal level

reaches 100% in

on and off mode

PWM Duty cycle

dutyPWM

F = 5 kHz; signal

level reaches

100% in on and off

mode

PWM voltage

PWM

EN input capacitance to GND

CEN

130

EN = 0 V

3.3

Transient Parameters

8 V <

S < 27 V; - 40 °C < TJ < 150 °C, all voltages with respect to ground; current directions as given in Figure 2;

unless otherwise specified

All parameters are tested at 25 °C, unless otherwise specified

Table 7

Digital Control Parameter (EN)

Parameter

Symbol

Values

Unit

Note / Test Condition

Min.

Typ.

Max.

Response Time

μs

EN: 0 -> 5 V @ trise < 20 ns

trisetime @(10...90%) * Vsense

(

out ~ 15 mA);Rsense = 10 Ω

OFF

μs

EN: 5 V -> 0 @

fall < 20 ns

tfalltime @(90...10%) * Vsense

(

out ~ 15 mA); Rsense = 10 Ω

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