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LM3248

Texas Instruments
Part Number LM3248
Manufacturer Texas Instruments
Description 2.5A Adjustable Boost-Buck DC/DC Converter
Published Mar 14, 2020
Detailed Description LM3248 www.ti.com SNVSA01A – JULY 2013 – REVISED SEPTEMBER 2013 LM3248 2.7 MHz, 2.5A Adjustable Boost-Buck DC/DC Conv...
Datasheet PDF File LM3248 PDF File

LM3248
LM3248

Overview
LM3248 www.
ti.
com SNVSA01A – JULY 2013 – REVISED SEPTEMBER 2013 LM3248 2.
7 MHz, 2.
5A Adjustable Boost-Buck DC/DC Converter with Boost and Active Current Assist and Analog Bypass (ACB) Check for Samples: LM3248 FEATURES 1 •2 Output Voltage VOUT Adjustable from 0.
4V to 4.
0V (typ.
) • Input Voltage Range VIN from 2.
7V to 5.
5V • Boost-Buck and Buck (Boost-Bypass) Operating Modes with Seamless Transition • 2.
5A Load Current Capability • High Conversion Efficiency (> 90% typ.
) • High-Efficiency PFM/PWM Modes with Seamless Transition • Very Fast Transient Response: 10 µs • ACB Reduces Inductor Size Requirements • Dither to aid RX Band Noise Compliance APPLICATIONS • Multi-mode 2G/3G/4G and 3GPP/LTE Smartphones and Tablets • Hand-Held Radios • RF Mobile Devices DESCRIPTION The LM3248 is a PWM/PFM Boost-Buck DC/DC converter that provides efficient utilization of battery power over a wide voltage range.
The device architecture is suitable for advanced RF front-end systems that demand dynamic...


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