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Description
Linear Voltage Regulator IC Positive Fixed 1 Output 5V 150mA 20-SO
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| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $1.54448 | US $1.45181 | US $1.45181 |
The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
Substitute Product
| Product Name | Description |
|---|---|
| L4971D | High-voltage monolithic switching regulator for offline SMPS applications. |
| LM2576 | Monolithic integrated circuit employing advanced epitaxial process to provide high efficiency in step-down switching regulators. |
| TL494 | Dual error amplifier, pulse width modulator for off-line or DC-to-DC converters. |
| UC3842 | Fixed frequency current mode controller for off-line and DC-to-DC converter applications. |
| LM2596 | Monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator, capable of driving a 3A load with excellent line and load regulation. |
Product Usage
The L4989MD is a high-voltage, high-side switch designed by STMicroelectronics. It is typically used in automotive and industrial applications where reliable switching of high-voltage loads is required. Here are some common circuits and applications that might use the L4989MD:
Automotive Lighting Control:
Motor Control:
Relay Replacement:
Heater Control:
Battery Management Systems:
Safety Systems:
Here is a basic example of how the L4989MD might be used in a circuit to control a load:
Required+-----------------+
| |
| Vcc (12V) |
| |
+-----------------+
|
| (12V)
|
+-----------------+-----------------+
| |
| |
R1 C1
| |
| |
+-----------------+
|
|
GND
+-----------------+
| |
| L4989MD |
| |
+-----------------+
| |
| IN |
| (Control Signal)|
| |
+-----------------+
|
|
+-----------------+-----------------+
| |
| |
R2 L1 (Load)
| |
| |
+-----------------+
|
|
GND
This circuit demonstrates a simple high-side switch configuration using the L4989MD to control a load. The control signal at the IN pin determines whether the load is powered or not.
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
L4989MD
L4989MD has several brands around the world that may have alternate names for L4989MD due to regional differences or acquisition. L4989MD may also be known as the following names:
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