Overview
The PM8834M, produced by STMicroelectronics, is a flexible, high-frequency dual low-side MOSFET driver. It is specifically designed to work with high capacitive MOSFETs and IGBTs, making it suitable for various high-performance applications. The device features dual independent low-side drivers, each capable of sinking and sourcing 4 A of current. This allows for the handling of large capacitive loads efficiently. The PM8834M also supports parallel operation of its outputs to achieve higher driving currents, enhancing its versatility in different power management scenarios.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Current Capability | 4 A | A |
| Input Supply Voltage Range | 5 V to 18 V | V |
| Operating Temperature Range | -40 °C to 125 °C | °C |
| Package Options | SO8, MSOP8 with exposed pad | - |
| Input Compatibility | CMOS/TTL-compatible | - |
| Propagation Delays | Short propagation delays (matched for symmetry) | - |
| Enable Pins | Dual independent active-high enable pins | - |
| Anti Cross Conduction Protection | Embedded drivers with adaptive anti cross conduction protection | - |
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 for symmetric operation
- 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 PM8834M primarily used for?
The PM8834M is primarily used as a dual low-side MOSFET driver for high capacitive MOSFETs and IGBTs in various power management applications.
- What is the output current capability of the PM8834M?
The PM8834M can sink and source 4 A of current on each output independently.
- Can the outputs of the PM8834M be paralleled?
Yes, the outputs can be paralleled to achieve higher driving currents.
- What is the input supply voltage range for the PM8834M?
The input supply voltage range is from 5 V to 18 V.
- What are the package options available for the PM8834M?
The device is available in SO8 and MSOP8 packages with an exposed pad.
- Is the PM8834M compatible with CMOS/TTL signals?
Yes, the PM8834M is compatible with CMOS/TTL input levels.
- What kind of protection does the PM8834M offer?
The PM8834M features embedded drivers with adaptive anti cross conduction protection.
- What is the operating temperature range of the PM8834M?
The operating temperature range is from -40 °C to 125 °C.
- Can the PM8834M be used in motor control applications?
Yes, the PM8834M can be used in motor control applications due to its high current driving capability and fast switching times.
- What are some common applications of the PM8834M?
Common applications include SMPS, DC-DC converters, motor controllers, line drivers, and Class-D switching amplifiers.
