LM3279EVM - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LM3279EVM
Manufacturer

TI
ChipWorker Part#

CW70658188
Category

Microprocessor Primary Platform
Description

LM3279 DC to DC Converter and Switching Regulator Chip 0.4VDC to 4.2VDC/0.6VDC to 4.2VDC Output Evaluation Board
Documentation

Datasheet

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LM3279EVM Specifications

Attribute	Attribute Value

Part Number	LM3279EVM
Manufacturer	TI
ChipWorker Part#	CW70658188
Category	Microprocessor Primary Platform
Documentation	Datasheet
Number of Outputs	1 Output
Output Voltage	0.4V ~ 4.2V
Output Current	1 A
Switching Frequency	2.4 MHz
Input Voltage	2.7V ~ 5.5V
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Product Lifecycle Status	Unknown
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

The LM3279EVM evaluation board has LM3279 with its essential passive components to show buck boost capability and also it enables the user to test part in all the modes of operation. The LM3279 is a buck boost DC to DC converter designed to generate output voltages above or below a given input voltage and is particularly suitable for power amplifiers operating from single cell Li Ion batteries. It has four modes of operation, PWM, PFM, standby and shutdown. During normal conditions, LM3279 operates in full synchronous PWM mode, providing seamless transitions between buck and boost operating regimes. Energy saving PFM mode increases efficiencies and current savings during low power RF transmission modes. For high transmit power, device operates in PWM buck or boost mode, whereas device can transition between PWM and PFM modes during low power transmit. The LM3279 can be controlled either via included MIPI RFFE interface or analog control from external MCU, offering design flexibility.
High efficiency PFM and PWM modes with internal seamless transition
Adjustable output voltage
RFFE digital control from 0.4V to 4.2V
Analog control from 0.6V to 4.2V
Seamless buck boost mode transition
1A maximum load capability for VBATT >= 3.2V, VOUT = 3.6V
Fast output voltage transition from 0.8V to 4.0V in 20uSec
High efficiency of 95%
Internal compensation
2.4MHz typical switching frequency
ESD sensitive device, take proper precaution while handling the device.
This evaluation module is not a finished electrical equipment and not intended for consumer use.

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