ZLED7012 datasheet(6/16 Pages) ETC2

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ZLED7012

Low-Voltage Four-Channel LED Driver

Data Sheet

November 9, 2010

Zentrum Mikroelektronik Dresden AG — Rev. 1.0

the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

6 of 15

IC Characteristics

1.1.

Absolute Maximum Ratings

No.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

1.1.1

Input voltage referenced to

ground

VCC

-0.3

6.0

1.1.2

EN/SET voltage referenced

to ground

VEN/SET

-0.3

VCC+0.3

1.1.3

Maximum soldering

temperature

TLEAD

At ZLED7012 lead;

10 seconds maximum

300

°C

1.1.4

Maximum Thermal

Resistance

θJA

UTQFN-12 package

°C/W

1.1.5

Junction temperature

-40

150

°C

1.2.

Operating Conditions

No.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

1.2.1

Operating temperature

Tamb

-40

+85

°C

1.2.2

Input voltage

VCC

2.8

5.5

1.3.

Electrical Parameters

Except as noted, conditions for the following specifications are Tamb = -40°C to +85°C (25°C typical);

VCC = 2.8V to 5.5V; Cin = Cout = 2.2μF; Cpump = 1µF

Production testing is at 25°C. At other temperatures within the specified operating range, functional operation of the ZLED7012

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

Parameters marked with an asterisk (*) are guaranteed by design.

No.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Input Power Supply

1.3.1

Operating current

ICC

2.8 ≤ VCC ≤ 5.5;

ISET = 20mA; No Load

0.6

1.0

1.3.2

Current consumption in

shutdown mode

ISHDN

VEN/SET = 0V

1.0

2.0

μA

1.3.3

Current matching between

channels

ID-Match

ISET = 20mA

±0.9

Charge Pump

1.3.4

Charge pump frequency *

fCP

1.0

MHz

1.3.5

Soft-start time *

TSS

33.0

μs

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