ZLED7000

40V LED Driver with Internal Switch

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 subject to changes without notice.

6 of 19

1

IC Characteristics

1.1

Absolute Maximum Ratings

Table 1.1

Absolute Maximum Ratings

No.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

1.1.1

Input voltage

-0.3

50

V

V

1.1.2

0

V

1.1.3

LX output voltage

-0.3

50

V

1.1.4

Adjust pin input voltage

-0.3

6

V

1.1.5

Switch output current

SOT89-5

900

mA

1.1.6

Power dissipation

SOT89-5

1200

mW

1.1.7

Storage temperature

-55

150

°C

1.1.8

Junction temperature

150

°C

1.2

Operating Conditions

Table 1.2

Operating Conditions

No.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

1.2.1

Operating temperature

-40

+85

°C

1.2.2

Input voltage

6

40

V

1.3

Electrical Parameters

Production testing is at 25°C. At other temperatures within the specified operating range, functional operation

of the chip and specified parameters are guaranteed by characterization, design, and process control.

Table 1.3

Electrical Parameters

No.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

1.3.1

Quiescent supply current

with output off

ADJ pin grounded

40

60

80

μA

1.3.2

Quiescent supply current

with output switching

ADJ pin floating

450

600

μA

1.3.3

Mean current sense

threshold voltage

91

95

101

mV

1.3.4

Sense threshold hysteresis

±15

%

1.3.5

8

10

μA

1.3.6

Internal reference voltage

Measured on ADJ pin with

pin floating

1.2

V

1.3.7

External control voltage

range on ADJ pin for DC

brightness control

0.3

1.2

V