MAX1553

Name: MAX1553
Brand: Analog Devices
Availability: InStock

PRODUCTION

High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs

Smallest, Highest Efficiency, 40V Driver for Up to 10 White LEDs

Data Sheet (Rev. 2) Product Selection Table

Part Models: 2
1ku List Price: Starting From $2.08

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Overview

Highly Integrated and Flexible Solution for Wide Range of Backlighting Applications
- Constant-Current Regulation for Even LED Illumination
- Internal 40V MOSFET Switch Capable of Driving 10 LEDs
- 2.7V to 5.5V Input Voltage Range
- Analog or PWM Control of LED Intensity
- Optimized for Low Input Ripple
Soft-Start Minimizes Inrush Current
High Efficiency Improves Battery Life
- Up to 88% Efficiency Driving 6 LEDs
- Up to 82% Efficiency Driving 9 LEDs (20mA, V_CC = 3.6V)
Tiny 8-Pin, 3mm x 3mm TDFN Package Saves Space
- Small, Low-Profile External Components

Part Models: 2
1ku List Price: Starting From $2.08

Documentation

Data Sheet 1

MAX1553-MAX1554: High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs Data Sheet (Rev.2) 05/27/2015

Technical Articles 2

Reduce the Chances of Human Error: Part 2, Super Amps and Filters for Analog Interface 03/08/2011

DACs vs. Digital Potentiometers: Which Is Right for My Application? 04/11/2007

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX1553ETA+	Thin Dual Flatpack No Leads, Exposed Pad	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
MAX1553ETA+T	Thin Dual Flatpack No Leads, Exposed Pad	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 27, 2024 - 2400 ASSEMBLY
		pcn_2400
MAX1553ETA+	PRODUCTION
MAX1553ETA+T	PRODUCTION
Jun 20, 2016 - 1612 ASSEMBLY
		pcn_1612
MAX1553ETA+	PRODUCTION
MAX1553ETA+T	PRODUCTION
Apr 20, 2026 - 2571D PIN/ERRATA
		pcn_2571d
MAX1553ETA+T	PRODUCTION	pcn_2571d

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
LED Drivers 2
MAX1848	PRODUCTION	White LED Step-Up Converter in SOT23
MAX1561	PRODUCTION	High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs

Evaluation Kits

MAX1553 Evaluation Kit

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Features and Benefits

Constant-Current Regulation for Even LED Illumination
Up to 88% Efficiency Driving Six LEDs
Analog or PWM Dimming Control of LED Intensity
Small, Low-Profile Components
2.7V to 5.5V Input Range
Tiny TDFN 3mm x 3mm IC Package
Fully Assembled and Tested

Product Details

The MAX1553 evaluation kit (EV kit) is a fully assembled and tested printed circuit board (PCB) with two complete circuits for evaluating the MAX1553 and MAX1554 white LED step-up converters. The MAX1553 circuit operates from 2.7V to 5.5V and delivers an adjustable 0 to 20mA to drive up to six white LEDs connected in series. The MAX1554 circuit operates from 3.15V to 5.5V and delivers an adjustable 0 to 20mA for driving up to 10 white LEDs in series.

Applications

Cell Phones
Color Display Backlight
PDA, Palmtop, and Wireless Handhelds

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