LDK220C33R - STMicroelectronics

Manufacturer Part Number

LDK220C33R

Manufacturer

STMICROELECTRONICS

Introduction

Low Drop Out linear voltage regulator designed for power management

Product Features and Performance

Fixed 3.3V output voltage

Up to 200mA output current

Low dropout voltage of 0.35V at 200mA load

Quiescent current of 90µA

Supply current max of 100µA

Power supply rejection ratio (PSRR) of 55dB to 50dB from 120Hz to 10kHz

Enable control feature for power saving

Overcurrent and overtemperature protection for safety

Product Advantages

Low quiescent current for power-efficient operation

High PSRR for better noise suppression

Robust protection features enhance reliability

Small footprint package suitable for space-constrained applications

Key Technical Parameters

Voltage - Input (Max): 13.2V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 200mA

Voltage Dropout (Max): 0.35V @ 200mA

Current - Quiescent (Iq): 90 µA

Current - Supply (Max): 100 µA

PSRR: 55dB ~ 50dB (120Hz ~ 10kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Compliance with industry standards for quality and safety

Compatibility

Surface Mount compatible with 5-TSSOP, SC-70-5, SOT-353

Supplier Device Package compatible with SOT-323-5

Application Areas

Consumer electronics

Portable devices

Battery-powered applications

Microcontroller systems

Product Lifecycle

Active status

Not near discontinuation

Replacements or upgrades should be available as needed

Reasons to Choose This Product

High efficiency due to low dropout voltage

Extended battery life with low quiescent current

Stable output with a strong PSRR feature

Can operate in a wide range of temperatures

Ease of integration with compact SOT-323-5 package

Ongoing product support as part of STMICROELECTRONICS's active lineup

Versatile for use in a diverse array of electronic applications