Overview
The LM5111-1MY/NOPB is a dual 5-A compound gate driver produced by Texas Instruments. This device is designed to replace industry-standard gate drivers with improved peak output current and efficiency. It features compound output driver stages that include both MOS and bipolar transistors, which work in parallel to reduce drive current variation with voltage and temperature. The LM5111-1MY/NOPB is particularly suited for applications requiring high current drive capabilities and robust performance under various operating conditions.
Key Specifications
| Specification | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | LM5111-1MY/NOPB |
| Package | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad |
| Driven Configuration | Low-Side |
| Channel Type | Independent |
| Number of Drivers | 2 |
| Gate Type | N-Channel MOSFET |
| Voltage - Supply | 3.5 V ~ 14 V |
| Logic Voltage - VIL, VIH | 0.8 V, 2.2 V |
| Current - Peak Output (Source, Sink) | 3 A, 5 A |
| Input Type | Non-Inverting |
| Rise / Fall Time (Typ) | 14 ns, 12 ns |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Maximum Output Current | 5 A |
| Turn-on Time | 0.04 us |
| Turn-off Time | 0.04 us |
| Temperature Grade | AUTOMOTIVE |
Key Features
- Compound CMOS and bipolar outputs to reduce output current variation.
- 5-A sink and 3-A source current capability.
- Available in dual noninverting, dual inverting, and combination configurations.
- Supply rail undervoltage lockout protection (UVLO).
- Pin compatible with industry-standard gate drivers.
- Ability to operate in parallel to double the drive current capability.
- Thermally enhanced MSOP-PowerPAD package option.
Applications
- Synchronous rectifier gate drivers.
- Switch-mode power supply gate drivers.
- Solenoid and motor drivers.
Q & A
- What is the LM5111-1MY/NOPB used for?
The LM5111-1MY/NOPB is used as a dual 5-A compound gate driver, particularly in applications such as synchronous rectifiers, switch-mode power supplies, and solenoid/motor drivers.
- What is the supply voltage range for the LM5111-1MY/NOPB?
The supply voltage range for the LM5111-1MY/NOPB is 3.5 V to 14 V.
- What is the peak output current capability of the LM5111-1MY/NOPB?
The LM5111-1MY/NOPB has a peak output current capability of 5 A sink and 3 A source.
- What types of configurations are available for the LM5111-1MY/NOPB?
The LM5111-1MY/NOPB is available in dual noninverting, dual inverting, and combination configurations.
- Does the LM5111-1MY/NOPB have undervoltage lockout protection?
Yes, the LM5111-1MY/NOPB features supply rail undervoltage lockout protection (UVLO).
- What is the operating temperature range for the LM5111-1MY/NOPB?
The operating temperature range for the LM5111-1MY/NOPB is -40°C to 125°C (TJ).
- What package types are available for the LM5111-1MY/NOPB?
The LM5111-1MY/NOPB is available in 8-TSSOP and 8-MSOP (0.118", 3.00mm Width) Exposed Pad packages.
- Can the LM5111-1MY/NOPB be operated in parallel to increase drive current?
Yes, the LM5111-1MY/NOPB can be operated in parallel to double the drive current capability.
- Is the LM5111-1MY/NOPB RoHS compliant?
Yes, the LM5111-1MY/NOPB is RoHS compliant.
- What is the typical rise and fall time for the LM5111-1MY/NOPB?
The typical rise and fall time for the LM5111-1MY/NOPB is 14 ns and 12 ns, respectively.
