LP5524

ENA

VIN

ISET

D2B

VIN

GND

ENB

D1B

D2A

D1A

RISET

(optional)

IDX = 15 mA

Copyright © 2016, Texas Instruments Incorporated

9

LP5524

www.ti.com

SNVS500C – JULY 2007 – REVISED NOVEMBER 2016

Product Folder Links: LP5524

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Copyright © 2007–2016, Texas Instruments Incorporated

8 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

8.1 Application Information

The LP5524 device provides an easy-to-use solution for driving up to 4 indicator LEDs.

8.2 Typical Application

Figure 5. LP5524 Typical Application

8.2.1 Design Requirements

For typical LED-driver applications, use the parameters listed in Table 1.

Table 1. Design Parameters

DESIGN PARAMETER

EXAMPLE VALUE

Minimum input voltage

2.7 V

ISET resistance

34 kΩ

Output current

60 mA

Maximum LED Vƒ

2.625 V