LD1117DT33CTR
| Part Number | LD1117DT33CTR |
|---|---|
| Manufacturer | STMicroelectronics |
| Category | Voltage Regulators; Linear LDO Voltage Regulators |
| Description | 3.3V Fixed Output LDO Regulator, 800mA, Low Dropout, DPAK Package |
Product Overview
The LD1117DT33CTR is a high-performance, low-dropout (LDO) linear voltage regulator providing a fixed 3.3V output voltage with up to 800mA output current. It features ultra-low dropout voltage, high ripple rejection, low quiescent current, and excellent line/load regulation for stable power supply in various electronic systems. The device integrates comprehensive protection functions including over-current protection, over-temperature protection, and reverse-battery protection to ensure safe and reliable operation. Designed for industrial, consumer, and embedded applications, it offers stable power conversion with minimal external components. Housed in a compact DPAK surface-mount package, it delivers high power efficiency and thermal performance for space-constrained designs.
| Key Specifications | |
|---|---|
| RoHS Status | RoHS Compliant |
| EDA / CAD Models | 3D Model, Symbol, Footprint Available |
| Warranty | 2-Year Warranty |
| Brand | STMicroelectronics |
| Output Voltage | Fixed 3.3V |
| Output Current | Up to 800mA |
| Regulator Type | Low Dropout (LDO) |
| Package Type | DPAK |
| Operating Temperature | -40°C to +125°C |
Typical Applications
- Embedded Systems & MCU Power Supplies
- Portable & Battery-Powered Devices
- Industrial Control & Automation Modules
- Consumer Electronics
- IoT & Wireless Sensor Nodes
- Automotive Electronics
- Post-Regulation for Switching Power Supplies
- Low-Noise Analog & Digital Circuits
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.

