LM3242 Datasheet - Texas Instruments

LM3242 Step-Down DC-DC Converter

The LM3242 is a DC-DC converter optimized for powering RF power amplifiers (PAs) from a single lithium-ion cell; however, it may be used in many other applications. It steps down an input voltage from 2.7 V to 5.5 V to an adjustable output voltage from 0.4 V to 3.6 V. Output voltage is set using a V.

LM3242 Features

* 1 2.7-V to 5.5-V Input Voltage Operating From Single Li-Ion Cell

* 6-MHz (typical) PWM Switching Frequency

* 0.4-V to 3.6-V Adjustable Output Voltage

* 750-mA Maximum Load Capability (up to 1 A in Bypass)

* High Efficiency (95% typical at 3.9 VIN, 3.3 VOUT at

LM3242-etcTI.pdf