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© 2009 Exar Corporation

11/11

Rev. 2.0.4

REVISION HISTORY

Revision

Date

Description

2.0.4

May 22, 2009

Reformat. Increased shutdown current to 60uA. Changed specification methodology

for setting LED current. Multiplier value changed to 1075 typical. Changed room and

over temp limits. Dropout voltage changed to 300mV typical, 450mV maximum.

resistor values for Maximum LED current per channel specification and current

multiplication ratio. Changed PWM frequency and PWM duty cycle to typicals and

referred to new curves in the typical performance graph section.

FOR FURTHER ASSISTANCE

Email:

customersupport@exar.com

Exar Technical Documentation:

http://www.exar.com/TechDoc/default.aspx?

48720 Kato Road

Fremont, CA 94538 – USA

Tel.: +1 (510) 668-7000

Fax: +1 (510) 668-7030

www.exar.com

NOTICE

EXAR Corporation reserves the right to make changes to the products contained in this publication in order to improve

design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any circuits described herein,

conveys no license under any patent or other right, and makes no representation that the circuits are free of patent

infringement. Charts and schedules contained here in are only for illustration purposes and may vary depending upon a

user’s specific application. While the information in this publication has been carefully checked; no responsibility, however,

is assumed for inaccuracies.

EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or

malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its

safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in

writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized; (b) the user assumes all

such risks; (c) potential liability of EXAR Corporation is adequately protected under the circumstances.

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