Part Number: MAX20003
Function: 2A/3A Fully Integrated Step-Down Converter
Package: TQFN 20 Pin Type ( 5mm x 5mm )
Manufacturer: Maxim Integrated
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Description
The MAX20002, MAX20003 are small, synchronous buck converters with integrated high-side and low-side MOSFETs. Each device is designed to deliver up to 2A/3A with input voltages from 3.5V to 36V, while using only 15µA quiescent current at no load. Voltage quality can be monitored by observing the PGOOD signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.
The devices offer fixed output voltages of 5V/3.3V, along with the ability to program the output voltage between 1V to 10V. Frequency can be programmed using a resistor to ground on the FOSC pin from 220kHz to 2.2MHz. The devices offer a forced fixed-frequency mode and skip mode with ultra-low quiescent current of 15µA. They have a pin that can be programmed to turn on/off the spread spectrum, further helping systems designers with better EMC management.
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Benefits and Features:
1. Synchronous DC-DC Converter with Integrated FETs
• MAX20002 = 2A
• MAX20003 = 3A
• 15µA Quiescent Current When in Standby Mode
2. Small Solution Size Saves Space
• 220kHz to 2.2MHz Adjustable Frequency
• Programmable 1V to 10V Output for the Buck or Fixed 5V/3.3V Options Available
• Fixed 8ms Internal Soft-Start
Applications:
1. Point-of-Load Applications in Automotive
2. Distributed DC Power Systems
3. Navigation and Radio Head Units