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LINEAR TECHNOLOGY  LTC3542EDC#TRMPBF  DC-DC Switching Buck Step Down Regulator, Adjustable, 2.5V-5.5Vin, 600mV-5.5Vout, 0.5Aout, DFN-6

LINEAR TECHNOLOGY LTC3542EDC#TRMPBF
Manufacturer Part No:
LTC3542EDC#TRMPBF
Order Code:
1715237RL
Technical Datasheet:
See all Technical Docs

Image is for illustrative purposes only. Please refer to product description.

Product Overview

The LTC3542EDC#TRMPBF is a high-efficiency monolithic synchronous Buck Converter using a constant frequency and current-mode architecture. Supply current during operation is only 26µA, dropping to <1µA in shutdown. The 2.5 to 5.5V input voltage range makes the LTC3542 ideally suited for single Li-ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. The output voltage is adjustable from 0.6V to VIN. Internal power switches are optimized to provide high efficiency and eliminate the need for an external Schottky diode. Switching frequency is internally set at 2.25MHz, allowing the use of small surface mount inductors and capacitors and it can synchronize to an external clock signal with a frequency range of 1 to 3MHz through the MODE/SYNC pin. The LTC3542 is specifically designed to work well with ceramic output capacitors, achieving very low output voltage ripple and a small PCB footprint.
  • No schottky diode required
  • Internal soft-start limits inrush current
  • Current-mode operation for excellent line and load transient response
  • Over-temperature protection
  • Low output ripple (<20mVP-P typical)
  • Up to 96% high efficiency
  • 1 to 3MHz External frequency synchronization
  • 0.6V Reference allows low output voltage
  • ±2% Output voltage accuracy

Product Information

Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
2.5V
Input Voltage Max:
5.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
DFN
No. of Pins:
6Pins
Output Current:
500mA
Output Voltage Min:
600mV
Output Voltage Max:
5.5V
Switching Frequency:
2.25MHz
Operating Temperature Max:
85°C
Packaging:
Cut Tape
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Consumer Electronics
  • Wireless
  • Communications & Networking
  • Portable Devices

Legislation and Environmental

Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423990
Weight (kg):
.0001

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