Overview
The PM8834 is a flexible, high-frequency dual low-side driver specifically designed to work with high capacitive MOSFETs and IGBTs. It is produced by STMicroelectronics and is ideal for applications requiring high driving currents and fast switching times. The device features dual independent low-side drivers, each capable of sinking and sourcing 4 A, with the option to parallel the outputs for higher driving capability. It operates with a CMOS/TTL-compatible PWM signal and has a wide input supply voltage range of 5 V to 18 V. The PM8834 is available in SO8 and MSOP8 packages with an exposed pad, making it suitable for various industrial and power management applications.
Key Specifications
| Parameter | Value |
|---|---|
| Driver Type | Dual low-side MOSFET driver |
| Sink and Source Current | 4 A per driver |
| Input Supply Voltage Range | 5 V to 18 V |
| Propagation Delays | Typically 45 ns (low to high), 35 ns (high to low) |
| Package Options | SO8, MSOP8 with exposed pad |
| Operating Temperature Range | -40 °C to 125 °C |
| Input Compatibility | CMOS/TTL-compatible |
| Enable Pins | Dual independent active-high enable pins |
Key Features
- Dual independent low-side MOSFET driver with 4 A sink and source capability
- Independent enable for each driver
- Driver output parallelability to support higher driving capability
- Matched propagation delays
- CMOS/TTL-compatible input levels
- Wide input supply voltage range: 5 V to 18 V
- Embedded drivers with anti cross conduction protection
- Low bias switching current
- Short propagation delays
- Rated for a wide operative temperature range: -40 °C to 125 °C
- Industry standard SO8 package and MSOP8 with exposed pad
Applications
- Switch-Mode Power Supplies (SMPS)
- DC-DC converters
- Motor controllers
- Line drivers
- Class-D switching amplifiers
Q & A
- What is the PM8834? The PM8834 is a dual low-side MOSFET driver designed to work with high capacitive MOSFETs and IGBTs.
- What is the maximum current each driver can sink and source? Each driver can sink and source up to 4 A.
- Can the outputs of the PM8834 be paralleled? Yes, the outputs can be paralleled to achieve higher driving current.
- What is the input supply voltage range of the PM8834? The input supply voltage range is from 5 V to 18 V.
- What are the package options for the PM8834? The PM8834 is available in SO8 and MSOP8 packages with an exposed pad.
- What is the operating temperature range of the PM8834? The operating temperature range is from -40 °C to 125 °C.
- Is the PM8834 compatible with CMOS/TTL signals? Yes, the PM8834 is CMOS/TTL-compatible.
- What protection features does the PM8834 have? The PM8834 has embedded drivers with anti cross conduction protection.
- What are some typical applications of the PM8834? Typical applications include SMPS, DC-DC converters, motor controllers, line drivers, and Class-D switching amplifiers.
- How do the enable pins work on the PM8834? The PM8834 has dual independent active-high enable pins that can be used to enable the operation of one or both of the output lines.
