LT1933HDCB#TRMPBF

$7.85

Description：IC REG BUCK ADJ 600MA 6DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:d66c47400b1b Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 600MA 6DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.6V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1.245V
Voltage - Output (Max)：33.84V
Current - Output：600mA
Frequency - Switching：500kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 150°C (TA)
Mounting Type：Surface Mount
Package / Case：6-WFDFN Exposed Pad
Supplier Device Package：6-DFN (2x3)

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LT1933HDCB#TRMPBF

Overview

The LT1933HDCB#TRMPBF is a current mode PWM step-down DC/DC converter manufactured by Analog Devices Inc. It features an internal 0.75A power switch and operates within a wide input voltage range of 3.6V to 36V. The device supports a fixed switching frequency of 500kHz, enabling the use of compact external components. It provides cycle-by-cycle current limit protection and includes soft-start functionality to manage inrush currents. The unit is housed in a low-profile 6-lead DFN package measuring 2mm x 3mm x 0.75mm.

Feature Summary

Integrates a 0.75A power switch for efficient step-down conversion
Supports wide input voltage ranges from various power sources
Includes cycle-by-cycle current limiting for output short-circuit protection
Features internal soft-start to eliminate input current surge during startup

Applications

Regulating power from unregulated wall transformers
Power management for 24V industrial supplies
Battery-powered systems requiring low shutdown current
Automotive battery regulation applications

Procurement Notes

Verify the specific suffix #TRMPBF indicates tape and reel packaging with cut tape availability. Confirm the HDCB package designation matches the required 2mm x 3mm footprint. Ensure compatibility with the 500kHz fixed frequency operation for inductor selection. Check for RoHS compliance documentation if required for your assembly process.

Selection Notes

Select this component when a compact solution is needed for converting higher voltages down to regulated levels up to 600mA. The 500kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the <2μA shutdown current for battery life optimization in portable devices. Verify that the 0.75A internal switch rating meets the peak load requirements of the target application.

Part Context

This part belongs to the LT1933 family of high-efficiency step-down switching regulators. It shares architectural similarities with other Linear Technology converters designed for space-constrained environments. The DFN package variant offers a thermal advantage over traditional SOT-23 packages while maintaining a small outline.