Allicdata Part #: | L4969URD-E-ND |
Manufacturer Part#: |
L4969URD-E |
Price: | $ 1.90 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | STMicroelectronics |
Short Description: | IC TXRX 5V 180MA 20SO |
More Detail: | Keypads and Alarm Systems Interface 20-SO |
DataSheet: | L4969URD-E Datasheet/PDF |
Quantity: | 1000 |
1000 +: | $ 1.72431 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
Applications: | Keypads and Alarm Systems |
Interface: | Serial |
Voltage - Supply: | 6 V ~ 28 V |
Package / Case: | 20-SOIC (0.295", 7.50mm Width) |
Supplier Device Package: | 20-SO |
Mounting Type: | Surface Mount |
Base Part Number: | L4969 |
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L4969URD-E is a specialized interface used for automotive applications. It provides two power supply switchers with separate shutdown control inputs for the power supply switcher and the companion switch. The device is designed to protect automotive circuits from potentially damaging over-voltage and low voltage conditions.
L4969URD-E is a three-terminal device featuring an internal P-channel MOSFET and an N-channel MOSFET. The P-channel MOSFET is the main switch that controls the output voltage. The N-channel MOSFET is a companion switch designed to provide additional protection to the system by limiting the current drawn from the power supply. In order to improve the system’s stability and longevity, the device includes a series of internal voltage monitors and protection circuits.
The device has a wide operating temperature range of -40°C to +180°C. It is also equipped with an over-voltage protection circuit which is designed to limit the voltage on the output to a safe level. When the over-voltage protection is activated, the internal P-channel MOSFET is turned off and the output voltage is held at a safe level until the system is reset.
L4969URD-E also features an internal over-temperature protection circuit which is designed to protect the device from damage in case of an over-temperature event. The over-temperature protection circuit is enabled when the temperature exceeds the specified trip point and the P-channel MOSFET is turned off. The output voltage will be held at a safe level until the system is reset.
In addition, the device features a low-voltage protection circuit which is designed to protect the system from low voltage conditions. The low-voltage protection circuit will trigger if the input voltage falls below a preset threshold, and the P-channel MOSFET will be turned off until the input voltage is restored.
L4969URD-E is widely used in automotive applications requiring a wide operating temperature range and excellent protection against over-voltage, over-temperature, and low-voltage conditions. It is designed to provide reliable operation in harsh automotive environments.
The specific data is subject to PDF, and the above content is for reference
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