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LTC3531EDD-3.3 DataSheet

LTC3531EDD-3.3 DataSheet

Part No.
LTC3531EDD-3.3
Part Marking
LBWH
Temperature
-40°C ~ 85°C (TA)
Package
8-LEAD (3mm × 3mm) PLASTIC DFN
File Size
712 KB
Page
16 Pages
Manufacturer
Linear Technology
Views
1
Upload Time
2022-06-06 11:07:44
Update Time
2022-06-06
Description
IC REG BCK BST 3.32V 200MA 8DFN
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LTC3531EDD-3.3 Features

■ Regulated Output with Input Above, Below or Equal to the Output
■ Single Inductor
■ Up to 90% Efficiency
■ VIN Range: 1.8V to 5.5V
■ 200mA at 3.3VOUT from 3.6V Input
■ 125mA at 3VOUT from 2.5V Input
■ Fixed VOUT Versions (TSOT, DFN): 3.3V, 3V
■ Adjustable VOUT Version (DFN): 2V to 5V
■ Burst Mode® Operation, No External Compensation 
■ Ultra Low Quiescent Current: 16μA, Shutdown Current <1μA
■ Only 3 External Components Required (Fixed Voltage Versions)
■ Short-Circuit Protection
■ Output Disconnect in Shutdown
■ Available in 6-Pin ThinSOT and 3mm × 3mm DFN Packages

LTC3531EDD-3.3 Applications

■ Handheld Instruments
■ MP3 Players
■ Handheld computers
■ PDA/GPS

LTC3531EDD-3.3 Description

The LTC3531EDD-3.3 are synchronous buck-boost DC/DC converters that operate from input voltages above, below or equal to the output voltage. The topology incorporated in the ICs provides a continuous transfer through all operating modes, making the product ideal for single cell Li-Ion and multicell alkaline or nickel applications. The converters operate in Burst Mode, minimizing solution footprint and component count as well as providing high conversion efficiency over a wide range of load currents.

The devices include two 0.5Ω N-channel MOSFET switches and two P-channel switches (0.5Ω, 0.8Ω). Quiescent current is typically 16μA, making the parts ideal for battery power applications. Other features include a <1μA shutdown current, current limiting, thermal shutdown and output disconnect. The parts are offered in a 6-pin ThinSOTTM package for fixed voltage versions or a 3mm × 3mm DFN package for fixed and adjustable versions.

Related LTC3531EDD-3.3 Datasheet

Part No.
Datasheet

712Kb / 16P

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