Overview
The PM8841D, produced by STMicroelectronics, is a high-frequency single-channel low-side MOSFET driver. It is specifically designed to work in conjunction with digital power conversion microcontrollers, such as the STLUX™ family of products. This driver is optimized for applications requiring precise control over MOSFETs, particularly in power conversion systems.
Key Specifications
| Parameter | Value |
|---|---|
| Output Current Capability | 1 A sink, 0.8 A source |
| Input Threshold Voltage | Derived from IN_TH pin (2 V to 5.5 V) |
| Supply Voltage Range | 10 V to 18 V |
| Propagation Delays | 20 ns |
| Operating Temperature Range | -40 °C to 125 °C |
| Package | SOT23-5 |
| UVLO Circuitry | Present for both input and output stages |
| RoHS Compliance | Ecopack2 |
Key Features
- Low-side MOSFET driver
- External reference for input threshold
- Wide supply voltage range (10 V to 18 V)
- Input and output pull-down resistors
- Short propagation delays
- Input and output Under-Voltage Lockout (UVLO) circuitry
- Wide operating temperature range: -40 °C to 125 °C
Applications
The PM8841D is suitable for various applications, including:
- Industrial power conversion systems
- Personal electronics requiring high-frequency MOSFET control
Q & A
- What is the PM8841D used for?
The PM8841D is a low-side MOSFET driver designed to work with digital power conversion microcontrollers. - What is the output current capability of the PM8841D?
The PM8841D can sink 1 A and source 0.8 A. - What is the input threshold voltage range for the PM8841D?
The input threshold voltage is derived from the IN_TH pin and ranges from 2 V to 5.5 V. - What is the supply voltage range for the PM8841D?
The supply voltage range is from 10 V to 18 V. - Does the PM8841D have UVLO circuitry?
Yes, the PM8841D includes UVLO circuitry for both input and output stages. - What is the operating temperature range of the PM8841D?
The operating temperature range is from -40 °C to 125 °C. - In what package is the PM8841D available?
The PM8841D is available in the SOT23-5 package. - Is the PM8841D RoHS compliant?
Yes, the PM8841D is RoHS compliant with an Ecopack2 designation. - What are some typical applications for the PM8841D?
Typical applications include industrial power conversion systems and personal electronics requiring high-frequency MOSFET control. - Where can I find the datasheet for the PM8841D?
The datasheet for the PM8841D can be found on the STMicroelectronics website or through distributors like LCSC and Xon Electronics.
