| Allicdata Part #: | LM4132EMF-4.1/NOPBTR-ND |
| Manufacturer Part#: |
LM4132EMF-4.1/NOPB |
| Price: | $ 0.69 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC VREF SERIES 4.096V SOT23-5 |
| More Detail: | Series Voltage Reference IC ±0.5% 20mA SOT-23-5 |
| DataSheet: |  LM4132EMF-4.1/NOPB Datasheet/PDF |
| Quantity: | 1000 |
| 1000 +: | $ 0.62666 |
| 2000 +: | $ 0.58344 |
| 5000 +: | $ 0.56183 |
Specifications
| Noise - 0.1Hz to 10Hz: | 350µVp-p |
| Base Part Number: | LM4132 |
| Supplier Device Package: | SOT-23-5 |
| Package / Case: | SC-74A, SOT-753 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Current - Supply: | 100µA |
| Voltage - Input: | 4.496 V ~ 5.5 V |
| Noise - 10Hz to 10kHz: | -- |
| Series: | -- |
| Temperature Coefficient: | 30ppm/°C |
| Tolerance: | ±0.5% |
| Current - Output: | 20mA |
| Voltage - Output (Min/Fixed): | 4.096V |
| Output Type: | Fixed |
| Reference Type: | Series |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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The LM4132EMF-4.1/NOPB is a pulse width modulation (PWM) controller in the PMIC (Power Management Integrated Circuit) family that is specifically designed to be used in voltage reference applications. The PWM controller contains an integrated voltage reference circuit, enable/disable control circuitry, a power stage, and fault protection components. It also has thermal shutdown and overtemperature protection as well as latch-off protection against overvoltage.
The device was initially developed to provide more accurate current control for low-voltage, low-current power management applications, but its use has been expanded to provide voltage regulation for many larger systems. It is commonly used in automotive and industrial control systems, consumer electronics, and telecommunications applications.
The LM4132EMF-4.1/NOPB operates by sensing the voltage from the output supply and comparing it to a reference voltage. If the output voltage is too high, the device’s integrated driver switches the output fet on or off accordingly to adjust the voltage. The controller can also be set to run in a midpoint or ‘split rail’ configuration, which allows the output to be split into two complementary outputs. The midpoint and split rail outputs are particularly useful in motor control applications, where the motor can be powered by two complementary outputs.
The device also incorporates a fault condition detection and protection system. This system operates by monitoring the output voltage and will shut down the power switch or disable the output if the output voltage drops below a certain threshold. This system can be used to protect against short circuits or other fault conditions. Additionally, the LM4132EMF-4.1/NOPB can be programmed to disable the output when the current is too high, to prevent overloading the power supply.
The device also has a unique feature that allows it to operate in thermally-controlled conditions in order to maintain a constant temperature. This is especially useful in applications where it is important to maintain highly accurate current control without the need for external components. It can also be used as a safety device to protect against over-temperature conditions.
In summary, the LM4132EMF-4.1/NOPB is a PWM controller designed specifically for use in voltage reference applications. It offers a variety of features, including integrated voltage reference circuitry, enable/disable control, a power stage, and fault protection components, as well as thermal shutdown and overtemperature protection and latch-off protection against overvoltage. Additionally, it offers split rail and midpoint outputs with active current control, and a fault protection system to protect against short circuits and other fault conditions.
The specific data is subject to PDF, and the above content is for reference
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