LM2670 Datasheet (SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator) | Distributor & Price | National Semiconductor (now Texas Instruments)

Datasheet Details

Part number	LM2670
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	361.84 KB
Description	SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator
Datasheet	LM2670 LM2 Datasheet (PDF)

General Description

The LM2670 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 3A loads with excellent line and load regulation characteristics.

High efficiency ( > 90%) is obtained through the use of a low ON-resistance DMOS power switch.

The series consists of fixed output voltages of 3.3V, 5V and 12V and an adjustable output version.

Key Features

n Efficiency up to 94% n Simple and easy to design with (using off-the-shelf external components) n 150 mΩ DMOS output switch n 3.3V, 5V and 12V fixed output and adjustable (1.2V to 37V ) versions n 50µA standby current when switched OFF n ± 2%maximum output tolerance over full line and load conditions n Wide input voltage range: 8V to 40V n External Sync clock capability (280KHz to 400KHz) n 260 KHz fixed frequency internal oscillator n.
40 to +125˚C operating junction temperature range.

Similar Datasheet

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LM2670	High Efficiency 3-A Step-Down Voltage Regulator	Texas Instruments
LM2670S-12	High Efficiency 3-A Step-Down Voltage Regulator	Texas Instruments
LM2670S-3.3	High Efficiency 3-A Step-Down Voltage Regulator	Texas Instruments
LM2670S-5.0	High Efficiency 3-A Step-Down Voltage Regulator	Texas Instruments
LM2670T-12	High Efficiency 3-A Step-Down Voltage Regulator	Texas Instruments

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