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LDK320M33R
200mA regulators
LDK320M33R
200mA regulators
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Manufacturer Part # : LDK320M33R
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Package/Case: SOT-23-5
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Brand: STMicroelectronics
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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LDK320M33R DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The LDK320M33R from STMicroelectronics is a top-of-the-line low dropout regulator (LDO) that offers exceptional performance and reliability for a wide range of applications. With its fixed output voltage of 3.3V and maximum output current of 200mA, this LDO regulator is perfect for industrial, automotive, and consumer electronics. Its extremely low dropout voltage of 190mV at full load makes it highly efficient for battery-powered devices, while its low quiescent current of 35µA in standby mode helps conserve power and extend battery life
Key Features
- High Quality Display
- Compact Design
- Energy Efficient Screen
Application
- Electric vehicles
- Renewable energy systems
- Uninterruptible power supplies
- Industrial automation
- Railway systems
- Telecommunications equipment
- Medical equipment
- Power tools
- Energy storage systems
- Home automation systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Active | Reach Compliance Code | compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Factory Lead Time | 54 Weeks | Adjustability | FIXED |
| Dropout Voltage1-Max | 0.35 V | Dropout Voltage1-Nom | 0.2 V |
| Input Voltage Absolute-Max | 20 V | Input Voltage-Max | 18 V |
| Input Voltage-Min | 4.3 V | JESD-30 Code | R-PDSO-G5 |
| Length | 2.9 mm | Line Regulation-Max | 0.022605% |
| Load Regulation-Max | 0.000099% | Moisture Sensitivity Level | 1 |
| Number of Functions | 1 | Number of Outputs | 1 |
| Number of Terminals | 5 | Operating Temperature TJ-Max | 125 °C |
| Operating Temperature TJ-Min | -40 °C | Output Current1-Max | 0.2 A |
| Output Voltage1-Max | 3.399 V | Output Voltage1-Min | 3.201 V |
| Output Voltage1-Nom | 3.3 V | Package Body Material | PLASTIC/EPOXY |
| Package Code | LSSOP | Package Equivalence Code | SOP5/6,.11,37 |
| Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR | Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Seated Height-Max | 1.65 mm | Surface Mount ! | YES |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 0.95 mm |
| Terminal Position | DUAL | Voltage Tolerance-Max | 2% |
| Width | 1.6 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LDK320M33R?
The LDK320M33R is a low-dropout (LDO) voltage regulator designed by STMicroelectronics. It is ideal for applications requiring a stable and regulated output voltage from a higher input voltage source, such as power management in industrial, automotive, and consumer electronic systems.
How Does LDK320M33R Work?
The LDK320M33R works by regulating the input voltage to a stable and lower output voltage with minimal dropout. It utilizes a precision reference, error amplifier, and pass transistor to maintain the desired output voltage despite variations in the input voltage and load conditions. The regulator is designed to operate with low quiescent current, making it suitable for battery-powered devices.
How Many Pins does LDK320M33R have and What are the Functions of the Pinout Configuration?
The LDK320M33R is housed in a 5-pin DPAK (TO-252) package. The pinout configuration includes:
- IN: Input voltage pin.
- OUT: Regulated output voltage pin.
- GND: Ground pin.
- NC: No-connect pin (unused).
- ON/OFF: Shutdown control or enable pin.
What are the Pros and Cons of LDK320M33R?
Pros:
- Low Dropout Voltage: Maintains regulation even with a small voltage difference between input and output.
- Low Quiescent Current: Operates with minimal current consumption, suitable for battery-operated devices.
- Thermal Protection: Includes thermal shutdown and overcurrent protection for rugged operation.
- Short-Circuit Protection: Safeguards the regulator and load from damage in case of a short circuit.
- Stable Output: Provides a stable and accurate output voltage under varying load and temperature conditions.
Cons:
- Heat Dissipation: May require additional thermal management for high-power applications.
- Package Size: The 5-pin DPAK package may take up more board space compared to smaller packages.
- External Components: May necessitate additional capacitors and resistors for optimal performance in certain applications.
Are There Any Equivalents/Alternatives to LDK320M33R for Recommendation?
- The LM2937 from Texas Instruments is an equivalent low-dropout voltage regulator with similar features.
- Alternatives to the LDK320M33R include the ADP3300 from Analog Devices and the MIC2940A from Microchip Technology.
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