LT1117IST-3.3 Low Dropout Linear Voltage Regulator with 3.3V Output and 800mA Current in SOT-223-3 Package
Specifications
MFR:
ADI
Product Number:
LT1117IST-3.3#PBF
Description:
IC REG LIN 3.3V 800MA SOT-223-3
Highlight:
3.3V Output Linear Regulator
,800mA Current Voltage Regulator
,SOT-223-3 Package LDO Regulator
Introduction
LT1117IST - 3.3 Low-Dropout Positive Voltage Regulator
The LT1117IST-3.3 is a low-dropout positive voltage regulator designed for stable power supply applications. Below are its typical application circuits:
5V to 3.3V Conversion Circuit
- Circuit Composition: Input voltage of 5V DC using LT1117IST-3.3 chip with 10μF input filter capacitor on Vin pin and 10μF output filter capacitor on Vout pin, with GND pin grounded.
- Application Scenarios: Widely used in microcontroller systems (STM32) and sensor circuits to provide stable 3.3V power supply.
24V Industrial Power Conversion Circuit
- Circuit Composition: 24V industrial power stepped down to 5V via DC-DC module, then input to LT1117IST-3.3 with similar capacitor configuration as 5V conversion circuit.
- Application Scenarios: Used in industrial control systems for PLC control circuits and communication modules to ensure stable operation.
Interface Processing Board Power Supply Circuit
Circuit Composition: LT1117IST-3.3 linear regulator connects to 5V input port with 3.3V output supplying components including microcontroller circuits (C8051F020), crystal oscillator circuits, power monitoring circuits (TPS3307-18D), dual-port RAM (IDT70V24L20PFI), and serial communication circuits (MAX3488EESA).
Application Scenarios: Ideal for data transmission applications, effectively isolating external power supply interference while offering strong anti-interference capabilities for interface processing boards.
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