LT1933

PRODUCTION

600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN Packages

Data Sheet Product Selection Table
Part Models
10
1ku List Price
Starting From $2.59
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Part Details

  • Wide Input Range: 3.6V to 36V
  • 5V at 600mA from 16V to 36V Input
  • 3.3V at 600mA from 12V to 36V Input
  • 5V at 500mA from 6.3V to 36V Input
  • 3.3V at 500mA from 4.5V to 36V Input
  • Fixed Frequency 500kHz Operation
  • Uses Tiny Capacitors and Inductors
  • Soft-Start
  • Internally Compensated
  • Low Shutdown Current: <2µA
  • Output Adjustable Down to 1.25V
  • Low Profile (1mm) SOT-23 (ThinSOT™) and (2mm × 3mm × 0.75mm) 6-Pin DFN Packages
LT1933
600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN Packages
3.3V Step-Down Converter Efficiency Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Design Note 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

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Surge Stopper, Overvoltage, and Overcurrent Protection 1
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LT1933
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
DC662A

LT1933ES6 Demo Board | (TSOT) 4.5V ≤ VIN ≤ 36V, VOUT = 3.3V @ 500mA

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Product Details

Demonstration circuit 662 is a monolithic step-down DC/DC switching converter featuring the LT1933 in the TSOT-23-6 package. The board is optimized for 3.3V output at up to 500mA load current and requires an input voltage ranging from 4.5V to 36V.

eval board
schematic 2
DC1092A

LT1933HDCB Demo Board | (DFN) H-Grade Temp, 4.5V ≤ VIN ≤ 36V, VOUT = 3.3V @ 500mA

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Product Details

Demonstration circuit 1092 is a monolithic step-down DC/DC switching converter featuring the LT1933H in the 2×3 DFN-6 package and operating over the H-grade temperature range. The board is optimized for 3.3V output at up to 500mA load current and requires an input voltage ranging from 4.5V to 36V.


 
DC662A
LT1933ES6 Demo Board | (TSOT) 4.5V ≤ VIN ≤ 36V, VOUT = 3.3V @ 500mA
DC662A - Schematic
DC1092A
LT1933HDCB Demo Board | (DFN) H-Grade Temp, 4.5V ≤ VIN ≤ 36V, VOUT = 3.3V @ 500mA
DC1092A - Schematic

Latest Discussions

3 Years Ago
RE: LT1933 SOT23 package dimension
View related discussion on EngineerZone®

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