ZLED7010

40V LED Driver with Temperature Compensation

Data Sheet

August 12, 2010

© 2010 Zentrum Mikroelektronik Dresden AG — Rev. 1.1

All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the

prior written consent of the copyright owner. The information furnished in this publication is PRELIMINARY and subject to changes

without notice.

7 of 23

No.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

1.3.8

switch chip from active

(ON) state to quiescent

(OFF) state

0.15

0.2

0.25

V

1.3.9

switch chip from quiescent

(OFF) state to active (ON)

state

0.2

0.25

0.3

V

1.3.10

voltage

10

mV

1.3.11

Continuous LX switch

current

0.65

0.75

A

1.3.12

LX switch leakage current

1

μA

1.3.13

No temperature compen-

1.20

V

1.3.14

LX Switch ON resistance

0.9

1.5

Ω

1.3.15

Continuous LX switch

current

0.65

A

1.3.16

500

kΩ

1.3.17

Brightness control range at

low frequency PWM signal

PWM frequency =100Hz

PWM amplitude=5V,

1 LED

1200:1

1.3.18

Brightness control range at

high frequency PWM signal

PWM frequency =10kHz

PWM amplitude=5V,

1 LED

13:1

1.3.19

Operating frequency

154

kHz

1.3.20

Minimum switch ON time

LX switch ON

200

ns

1.3.21

Minimum switch OFF time

LX switch OFF

200

ns

1.3.22

Recommended maximum

operating frequency

1

MHz

1.3.23

Recommended duty cycle

range of output switch at

0.2

0.8

1.3.24

Internal comparator

propagation delay

50

ns

1.3.25

Thermal shutdown

temperature

140

°C

1.2.26

Thermal shutdown

hysteresis

TSD-HYS

20

°C