HomedatasheetLT3467A

LT3467A Datasheet

PMIC - Voltage Regulators - DC DC Switching Regulators
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Description

The LT&reg;3467/ LT3467A switching regulators combine a 42V, 1.1A switch with a soft-start function. Pin compatible with the LT1930, its low VCESAT bipolar switch enables the device to deliver high current outputs in a small footprint.The LT3467 switches at 1.3MHz, allowing the use of tiny, low cost and low height inductors and capacitors. The LT3467A switches at 2.1MHz, allowing the use of even smaller components. High inrush current at start-up is eliminated using the programmable soft-start function. A single external capacitor sets the current ramp rate. A constant frequency current mode PWM architecture results in low, predictable output noise that is easy to fi lter.The high voltage switch on the LT3467/LT3467A is rated at 42V, making the devices ideal for boost converters up to 40V as well as SEPIC and fl yback designs. The LT3467 can generate 5V at up to 540mA from a 3.3V supply or 5V at 450mA from four alkaline cells in a SEPIC design.The LT3467A can generate 5V at up to 430mA from a 3.3V supply or 15V at 135mA from a 3.3V supply. The LT3467/LT3467A are available in a low profi le (1mm) 6-lead SOT-23 package and tiny 3mm &times; 2mm DFN package. LT3467A Features &bull; 1.3MHz Switching Frequency (LT3467)&bull; 2.1MHz Switching Frequency (LT3467A)&bull; Low VCESAT Switch: 330mV at 1.1A&bull; High Output Voltage: Up to 40V&bull; Wide Input Range: 2.4V to 16V&bull; Dedicated Soft-Start Pin&bull; 5V at 540mA from 3.3V Input (LT3467)&bull; 5V at 430mA from 3.3V Input (LT3467A)&bull; 12V at 270mA from 5V Input (LT3467)&bull; 12V at 260mA from 5V Input (LT3467A)&bull; Uses Small Surface Mount Components&bull; Low Shutdown Current: <1&mu;A&bull; Pin-for-Pin Compatible with the LT1930 and LT1613&bull; Low Profi le (1mm) ThinSOT&trade; Package&bull; Low Profi le (0.75mm) 8-Lead (3mm &times; 2mm) DFN Package LT3467A Applications &bull; Digital Cameras&bull; White LED Power Supplies&bull; Cellular Phones&bull; Medical Diagnostic Equipment&bull; Local 5V or 12V Supplies&bull; TFT-LCD Bias Supplies&bull; xDSL Power Supplies
Features

Parameters

[{"Name":"Number of Outputs","Value":"1"},{"Name":"Voltage - Output","Value":"1.255 V ~ 40 V"},{"Name":"Voltage - Input","Value":"2.4 V ~ 16 V"},{"Name":"Frequency - Switching","Value":"1.3MHz"},{"Name":"Current - Output","Value":"1.1A"},{"Name":"Operating Temperature","Value":"-40°C ~ 85°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

SIEMENS [SIEMENS SEMICONDUCTOR GROUP]

Electrification, automation and digitalization are the long-term growth fields of Siemens. In order to take full advantage of the market potential in these fields, our businesses are bundled into eight divisions and Siemens Healthineers as well as Siemens Wind Power as a separately managed businesses.


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