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LTC3533EDE#PBF - 

DC-DC Switching Buck-Boost Regulator, Adjustable, 1.8V-5.5Vin, 1.8V-5.25Vout, 2Aout, DFN-14

LTC3533EDE#PBF - DC-DC Switching Buck-Boost Regulator, Adjustable, 1.8V-5.5Vin, 1.8V-5.25Vout, 2Aout, DFN-14

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Manufacturer Part No:
LTC3533EDE#PBF
Order Code:
1663712
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC3533EDE#PBF is a 2A wide input voltage synchronous buck-boost DC/DC Converter operates from input voltages above, below or equal to the output voltage. The topology incorporated in the IC provides a continuous transfer function through all operating modes, making the product ideal for single cell lithium-ion/polymer or multi-cell alkaline/NiMH applications where the output voltage is within the input voltage range. The LTC3533 features programmable Burst Mode® operation, extended VIN and VOUT ranges down to 1.8V and increased output current. Switching frequencies up to 2MHz are programmed with an external resistor. The Burst Mode® threshold is programmed with a single resistor from the BURST pin to GND. Other features include 1µA shutdown current, short-circuit protection, programmable soft-start, current limit and thermal shutdown.
  • Regulated output with input voltages above, below or equal to the output
  • 0.8A Continuous output current (VIN >1.8V)
  • 2A Continuous output current (VIN >3V)
  • Single inductor
  • Synchronous rectification up to 96% efficiency
  • Programmable Burst Mode® operation (IQ = 40µA)
  • Output disconnect in shutdown
  • Programmable frequency from 300kHz to 2MHz
  • <1µA Shutdown current

Applications

Computers & Computer Peripherals, Portable Devices, Imaging, Video & Vision, Multimedia, Communications & Networking, Consumer Electronics

Product Information

:
Synchronous Buck-Boost
:
1.8V
:
5.5V
:
1Outputs
:
DFN
:
14Pins
:
2A
:
1.8V
:
5.25V
:
2MHz
:
85°C
:
Cut Tape
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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Alternatives Available

2514182 - Buck, Boost Switching Regulator, Fixed, 2.5V-5.5Vin, 3.3V/800mA out, 1 MHz, TDFN-14

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