ZLED7022 Datasheet

© 2016 Integrated Device Technology, Inc.

3

April 20, 2016

Contents

1

IC Characteristics .......................................................................................................................................................... 5

1.1.

Absolute Maximum Ratings ................................................................................................................................... 5

1.2.

Operating Conditions ............................................................................................................................................. 5

1.3.

Electrical Parameters............................................................................................................................................. 5

1.4.

Typical Performance Graphs ................................................................................................................................. 6

2

Circuit Description ......................................................................................................................................................... 8

2.1.

Block diagram ........................................................................................................................................................ 8

2.2.

ZLED7022 Overview.............................................................................................................................................. 8

2.3.

ZLED7022 Soft-Start Feature ................................................................................................................................ 9

2.4.

ZLED7022 Low-Current Shutdown Mode .............................................................................................................. 9

2.5.

LED Current Control .............................................................................................................................................. 9

2.6.

PCC Serial Digital Interface ................................................................................................................................. 10

3

Operating Conditions................................................................................................................................................... 10

3.1.

RF Noise Reduction............................................................................................................................................. 10

3.2.

ZLED7022 Thermal Protection............................................................................................................................. 10

4

Application Circuit Design............................................................................................................................................ 11

4.1.

Applications.......................................................................................................................................................... 11

4.2.

External Components .......................................................................................................................................... 11

4.2.1.

External Capacitors Cout and Cin................................................................................................................. 11

4.2.2.

External Pump Capacitor .............................................................................................................................. 11

4.2.3.

LEDs ............................................................................................................................................................. 12

4.3.

Unused LED Driver Pins ...................................................................................................................................... 12

5

ESD Protection............................................................................................................................................................ 12

6

Pin Configuration and Package ................................................................................................................................... 12

7

Ordering Information ................................................................................................................................................... 14

8

Glossary ...................................................................................................................................................................... 14

9

Document Revision History ......................................................................................................................................... 14