LMZ22005TZE/NOPB 5V 2A SIMPLE SWITCHER® Power Module with 4.5-42V Input 94% Efficiency Integrated Inductor Full Protection (OTP/OCP/UVLO) 10-Pin μSIP -40°C to +125°C Operation

Features

• Integrated shielded inductor

• Simple PCB Layout

• Frequency synchronization input (650kHz to 950kHz)

• Flexible start-up sequencing using external soft-start, tracking and precision enable

• Protection against inrush currents and faults such as input UVLO and output short circuit

• Junction temperature range –40°C to 125°C

• Single exposed pad for easy mounting and manufacturing

• Fast transient response for powering FPGAs

• Pin compatible with LMZ23605, LMZ23603, LMZ22003

• Electrical specifications

– 30W maximum total output power

– Up to 5A output current

– Input voltage range 6V to 20V

– Output voltage range 0.8V to 6V

– Efficiency up to 92%

• Performance benefits

– High efficiency reduces system heat generation

– Tested to EN55022 Class B

– Low component count, only five external components

– Low output voltage ripple

– Uses PCB as heat sink, no airflow required

Applications

• Point-of-load conversions from 12V input rail

• Time-critical projects

• Space constrained, high thermal requirement applications

• Negative output voltage applications (see SNVA425)

Description

The LMZ22005 SIMPLE SWITCHER® power converter module is an easy-to-use, step-down, DC-DC design capable of driving up to 5A load. The LMZ22005 is available in a remarkable package that enhances thermal performance and allows for hand or machine soldering.

The LMZ22005 can accept an input voltage rail between 6V and 20V and can deliver an adjustable and highly accurate output voltage as low as 0.8V. The LMZ22005 only requires two external resistors and three external capacitors to complete the power design. The LMZ22005 is a reliable and robust design with the following protection features: thermal shutdown, input undervoltage lockout, output overvoltage protection, short-circuit protection, output current limit, and the device allows start-up into a prebiased output. The sync input allows synchronization over the 650 to 950kHz switching frequency range.

INFORMATION

Drawing

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