| Allicdata Part #: | TLE42644G-ND |
| Manufacturer Part#: |
TLE42644G |
| Price: | $ 2.30 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Infineon Technologies |
| Short Description: | IC REG LINEAR 5V 100MA SOT223-4 |
| More Detail: | Linear Voltage Regulator IC Positive Fixed 1 Outpu... |
| DataSheet: |  TLE42644G Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | $ 2.30000 |
| 10 +: | $ 2.23100 |
| 100 +: | $ 2.18500 |
| 1000 +: | $ 2.13900 |
| 10000 +: | $ 2.07000 |
Specifications
| Current - Output: | 100mA |
| Base Part Number: | TLE42644 |
| Supplier Device Package: | PG-SOT223-4 |
| Package / Case: | TO-261-4, TO-261AA |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 150°C (TJ) |
| Protection Features: | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Control Features: | -- |
| PSRR: | 68dB (100Hz) |
| Current - Supply (Max): | 4mA |
| Current - Quiescent (Iq): | 60µA |
| Series: | Automotive, AEC-Q100 |
| Voltage Dropout (Max): | 0.5V @ 100mA |
| Voltage - Output (Max): | -- |
| Voltage - Output (Min/Fixed): | 5V |
| Voltage - Input (Max): | 40V |
| Number of Regulators: | 1 |
| Output Type: | Fixed |
| Output Configuration: | Positive |
| Part Status: | Obsolete |
| Packaging: | Tape & Reel (TR) |
Description
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Introduction
TLE42644G is a low dropout (LDO) linear voltage regulator integrated circuit. It is designed for cost-sensitive and space-constrained applications where low output noise, low power consumption, and high current drive capabilities are important. This device is offered in die form as well as a variety of package sizes and configurations including SO-8, SOT-223, TSSOP-8, and SOT-223-5. The TLE42644G provides a low noise output of up to 500mA and headsink capability, while consuming only 13mW of quiescent current. It is suitable for a variety of applications including battery-powered electronics such as laptops, cell phones, and digital audio players. Additionally, the device is also suitable for portable and home appliances, automotive, and other applications in which high current and quality performance are required.
Application Fields
TLE42644G is widely used in continuous voltage regulation circuits, especially in battery-powered electronic devices such as laptops, cellular phones, and digital audio players. It is also used in portable and home appliances, automotive applications and other circuits that require low dropout voltage, high output current and long runs without the need for heat sinks. The device is able to maintain a constant output voltage across a wide range of line and loads by using current sinks. Dedicated pins and control loop adjust the output voltage of the device. It also features reverse current protection for IO overcurrent conditions, making it suitable for cost-sensitive and space-constrained applications.
Working Principle
TLE42644G uses a linear regulator topology in order to assure a stable voltage output throughout wide line and load variations. The device utilizes a peripheral P-channel MOSFET and an internal current sink circuitry to ensure good line regulation and low drop out voltage. When the output voltage is required, the Enable pin (EN) is pulled low, activating the IC and switching on the internal MOSFET. This produces a voltage drop across the external load, causing the differential voltage across the device and the resultant change in IO current is fed back to the current sinks in order to compensate for the output voltage. The current limit circuitry protects the circuit from overload condition and keeps the device from reaching the thermal runaway condition. To prevent the device from over-sampling the current load and going into thermal runaway, the prescale voltage determines the operation of the current sensing circuit. If the voltage falls outside the normal required range, the output voltage is automatically adjusted. This error protection circuitry allows the TLE42644G to provide a low noise and high current drive.
Conclusion
TLE42644G is a low dropout (LDO) linear voltage regulator integrated circuit that is ideal for cost-sensitive and space-constrained applications that require low output noise, low power consumption and high current drive capabilities. It uses a linear regulator topology to maintain a constant output voltage, and features reverse current protection for IO overcurrent conditions. The device is suitable for a variety of application fields including battery-powered electronics, portable and home appliances, automotive, and others.
The specific data is subject to PDF, and the above content is for reference
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