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LT3580MPMS8E DataSheet

LT3580MPMS8E DataSheet

Part No.
LT3580MPMS8E
Part Marking
LTDCJ
Temperature
–55°C to 125°C
Package
8-Lead Plastic MSOP
File Size
283 KB
Page
28 Pages
Manufacturer
Linear Technology
Views
1
Upload Time
2022-06-01 16:26:08
Update Time
2022-06-01
Description
IC REG MULTI CONFG ADJ 2A 8MSOP
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LT3580MPMS8E Features

■ 2A Internal Power Switch
■ Adjustable Switching Frequency
■ Single Feedback Resistor Sets VOUT
■ Synchronizable to External Clock
■ High Gain SHDN Pin Accepts Slowly Varying Input Signals
■ Wide Input Voltage Range: 2.5V to 32V
■ Low VCESAT Switch: 300mV at 1.5A (Typical)
■ Integrated Soft-Start Function
■ Easily Configurable as a Boost or Inverting Converter
■ User Configurable Undervoltage Lockout (UVLO)
■ Tiny 8-Lead 3mm×3mm DFN and 8-Lead MSOP Packages

LT3580MPMS8E Applications

■ VFD Bias Supplies
■ TFT-LCD Bias Supplies
■ GPS Receivers
■ DSL Modems
■ Local Power Supply

LT3580MPMS8E Description

The LT3580MPMS8E is a PWM DC/DC converter containing an internal 2A, 42V switch. The LT3580 can be configured as either a boost, SEPIC or inverting converter. Capable of generating 12V at 550mA or –12V at 350mA from a 5V input, the LT3580 is ideal for many local power supply designs.

The LT3580MPMS8E has an adjustable oscillator, set by a resistor from the RT pin to ground. Additionally, the LT3580 can be synchronized to an external clock. The free running or synchronized switching frequency range of the part can be set between 200kHz and 2.5MHz.

The LT3580MPMS8E also features innovative SHDN pin circuitry that allows for slowly varying input signals and an adjust-able undervoltage lockout function.

Additional features such as frequency foldback and soft-start are integrated. The LT3580 is available in tiny 3mm × 3mm 8-lead DFN and 8-lead MSOP packages.

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