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ZLED7022: DescriptionLow-Voltage Six-Channel LED Driver; File Size429KB，16 Pages; ManufacturerETC2

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ZLED7022 Overview

Low-Voltage Six-Channel LED Driver

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Data Sheet

Rev. 1.0 / November 2010

ZLED7022

Low-Voltage Six-Channel LED Driver

ZLED7022

Low-Voltage Six-Channel LED Driver

Contents

IC Characteristics .......................................................................................................................................................... 6

1.1.

1.2.

1.3.

1.4.

2.1.

2.2.

2.3.

2.4.

2.5.

2.6.

3.1.

3.2.

4.1.

4.2.

Absolute Maximum Ratings ................................................................................................................................... 6

Operating Conditions ............................................................................................................................................. 6

Electrical Parameters ............................................................................................................................................. 6

Typical Performance Graphs ................................................................................................................................. 7

Block diagram ........................................................................................................................................................ 9

ZLED7022 Overview.............................................................................................................................................. 9

ZLED7022 Soft-Start Feature .............................................................................................................................. 10

ZLED7022 Low-Current Shutdown Mode ............................................................................................................ 10

LED Current Control ............................................................................................................................................ 10

PCC Serial Digital Interface ................................................................................................................................. 11

RF Noise Reduction............................................................................................................................................. 11

ZLED7022 Thermal Protection............................................................................................................................. 11

Applications.......................................................................................................................................................... 12

External Components .......................................................................................................................................... 12

External Capacitors Cout and Cin................................................................................................................. 12

External Pump Capacitor .............................................................................................................................. 12

LEDs ............................................................................................................................................................. 13

Circuit Description ......................................................................................................................................................... 9

Operating Conditions................................................................................................................................................... 11

Application Circuit Design............................................................................................................................................ 12

4.2.1.

4.2.2.

4.2.3.

4.3.

Unused LED Driver Pins ...................................................................................................................................... 13

ESD Protection............................................................................................................................................................ 13

Pin Configuration and Package ................................................................................................................................... 13

Ordering Information ................................................................................................................................................... 15

Glossary ...................................................................................................................................................................... 15

Document Revision History ......................................................................................................................................... 15

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.

4 of 15

ZLED7022

Low-Voltage Six-Channel LED Driver

List of Figures

Figure 1.1

Figure 1.2

Figure 1.3

Figure 1.4

Figure 1.5

Figure 2.1

Figure 4.1

Figure 6.1

Figure 6.2

Operating Current I

over Supply Voltage V

Range (2.8V to 5.5V) at 25°C .............................................. 7

LED Current over Supply Voltage V

Range (2.8V to 5.5V) for Outputs D0:D5 (LED0:LED5) ..................... 8

Shutdown Current I

over Supply Voltage V

Range (2.8V to 5.5V) ........................................................... 8

Current I

over Temperature Range (-40°C to +85°C) .................................................................................. 8

Efficiency (%) over the V

Range (2.8V to 5.5V) at 25°C ............................................................................. 9

PCC Serial Digital Interface Signal Timing ................................................................................................... 11

Basic Application Circuit using D4:D0 .......................................................................................................... 12

Pin Configuration ZLED7022 – Top View ..................................................................................................... 13

UTQFN-12 Package Drawing ....................................................................................................................... 14

List of Tables

Table 2.1

Table 6.1

Table 6.2

Current Output Settings ................................................................................................................................ 10

Layout Requirements and Pin Descriptions - 12-pin UTQFN Package ........................................................ 14

UTQFN-12 Package Dimensions ................................................................................................................. 14

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.

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ZLED7022 Related Products

	ZLED7022	ZLED7022-ZI1R	ZLED7022KIT-E1
Description	Low-Voltage Six-Channel LED Driver	Low-Voltage Six-Channel LED Driver	Low-Voltage Six-Channel LED Driver

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