LM3405 Datasheet - National Semiconductor

LM3405 1A Constant Current Buck Regulator

Integrated with a 1A power switch, the LM3405 is a current mode control switching buck regulator designed to provide a simple, high efficiency solution for driving LEDs. With a 0.2V reference voltage feedback control to minimize power dissipation, an external resistor sets the current as needed for .

LM3405 Features

* include user accessible enable/ dim pin for enabling and PWM dimming of LEDs, thermal shutdown, current limit and over voltage protection. Features n Thin SOT23-6 package n 4.0V to 20V input voltage range n 550kHz (LM3405Y) and 1.6MHz (LM3405X) switching frequencies n 300mΩ NMOS switch n 30nA shutd

LM3405 Datasheet (473.17 KB)

LM3405 Datasheet Preview — Preview of LM3405 PDF

Datasheet Details

Part number:

LM3405

Manufacturer:

National Semiconductor

File Size:

473.17 KB

Description:

1a constant current buck regulator.

📁 Related Datasheet

LM340 Three Terminal Positive Voltage Regulators (Motorola Inc)

LM340 3-Terminal Positive Regulators (National Semiconductor)

LM340 THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS (ON Semiconductor)

LM340 1.5-A Fixed Voltage Regulators (Texas Instruments)

LM340-N 3-Terminal Positive Regulators (Texas Instruments)

LM3401 Quad Amplifiers (National Semiconductor)

LM3401 Hysteretic PFET Controller (Texas Instruments)

LM3402 0.5A Constant Current Buck Regulator (National Semiconductor)

LM3402 0.5-A Constant Current Buck Regulator (Texas Instruments)

LM3402HV 0.5A Constant Current Buck Regulator (National Semiconductor)

TAGS

LM3405 Constant Current Buck Regulator National Semiconductor

Image Gallery

LM3405 Distributor