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LDK320AM33R
+Lista de MateriaisIC REG LINEAR 3.3V 200MA SOT23-5
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FabricanteSTMicroeletrônica
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Peça do Fabricante #LDK320AM33R
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Ficha Técnica LDK320AM33R DataSheet
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Pacote SOT23-5
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Em Estoque6119
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.35V @ 200mA |
| Current-Output | 200mA |
| Current-Quiescent(Iq) | 90 µA |
| Current-Supply(Max) | 100 µA |
| PSRR | 88dB ~ 48dB (120Hz ~ 10kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Visão Geral
Description
Key features include low quiescent current, which enhances battery life in portable applications, and high ripple rejection, ensuring stable operation even with fluctuating input voltages. The LDK320AM33R typically supports a maximum output current of around 200 mA, making it suitable for moderate power applications.
Protection features often include short-circuit protection and thermal shutdown, safeguarding the device and connected components from damage under fault conditions. Its small footprint and minimal external component requirement make it a versatile choice for space-constrained designs. The LDK320AM33R is commonly found in consumer electronics, automotive systems, and industrial applications where reliable voltage regulation is critical.
Equivalent
1. Microchip MCP1700T-3302E/TT - A similar low-dropout regulator with comparable voltage and current ratings.
2. Texas Instruments LP2985AIM5-3.3 - Another LDO offering similar performance characteristics.
3. ON Semiconductor NCP1117DT33G - Provides equivalent voltage regulation.
4. Analog Devices ADP3333 - Features similar output and dropout voltage.
Ensure voltage, current, and package compatibility before substituting.
Features
1. Output Voltage: It delivers a fixed output voltage, typically around 3.3V.
2. Low Dropout Voltage: Provides efficient operation with minimal voltage difference between input and output, enhancing performance in battery-powered devices.
3. Output Current: Capable of delivering up to 200 mA of output current.
4. Low Quiescent Current: Consumes minimal current in standby mode, prolonging battery life.
5. High PSRR: Offers excellent power supply rejection ratio, ensuring stable operation even with fluctuating input voltages.
6. Protection Features: Includes overcurrent and overtemperature protection, safeguarding the device against potential damage.
7. Compact Package: Available in space-saving packages, making it ideal for portable and compact electronic applications.
8. Thermal Stability: Designed to maintain performance across a wide temperature range.
These features make the LDK320AM33R suitable for a variety of applications, including mobile devices, microcontrollers, and other low-power electronics.
Pinout
1. Pin 1 (VIN): This is the input pin where the unregulated input voltage is supplied. It should be connected to a voltage source that is higher than the desired output voltage, but within the specified input voltage range.
2. Pin 2 (GND): This is the ground pin and is connected to the ground of the circuit. It serves as a reference point for the input and output voltages.
3. Pin 3 (VOUT): This pin provides the regulated output voltage. For the LDK320AM33R, the output voltage is fixed at 3.3 volts. This pin is connected to the load that requires a stable voltage supply.
The LDK320AM33R is designed for applications that require low dropout voltage and provide a stable 3.3V output for a range of input voltages, typically used in battery-powered devices and other low-power applications.
Manufacturer
Application
1. Consumer Electronics: Used in smartphones, tablets, and wearables to provide stable power to sensitive components.
2. Industrial Equipment: Ensures reliable operation of sensors, controllers, and communication modules.
3. Automotive Systems: Supports infotainment systems, dashboard electronics, and sensor modules with efficient power management.
4. IoT Devices: Powers various IoT modules by maintaining a steady voltage output.
5. Communications Equipment: Used in networking devices for regulated power supply to critical circuits.
These applications benefit from its low noise, low quiescent current, and high power supply rejection ratio.