Overview
The LTC7001IMSE#TRPBF is a high-performance, fast high-side N-channel MOSFET gate driver produced by Analog Devices Inc. This device operates from input voltages up to 135V and features an internal charge pump that fully enhances the gate of the external MOSFET. It is designed to drive standard power MOSFETs with low voltage digital signals, making it suitable for a variety of high-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | Up to 135V |
| Operating Junction Temperature Range | –40°C to 125°C (LTC7001I), –40°C to 150°C (LTC7001J and LTC7001H) |
| Input Thresholds | VIH = 2.0V, VIL = 1.6V |
| Hysteresis | 400mV |
| Output Stage Resistance | RDS(ON) Pull-down: 1Ω, RDS(ON) Pull-up: 2.2Ω |
| Package Type | 10-Lead Plastic MSOP |
| Internal Charge Pump | Fully enhances the gate of the external MOSFET |
| Undervoltage Lockout | Pulls TGDN to TS when BST to TS voltage is less than 3.1V (typical) |
Key Features
- Fast high-side N-channel MOSFET gate driver with internal charge pump.
- CMOS compatible input thresholds allowing low voltage digital signals to drive standard power MOSFETs.
- Internal voltage regulator and input buffer for stable input thresholds independent of VCC variations.
- 400mV hysteresis to eliminate false triggering due to noise.
- Internal 1MΩ pull-down resistor on the input pin to ground for startup and transient stability.
- Separated pull-up and pull-down pins for controlled turn-on and fast turn-off transients.
- High junction temperature operation up to 150°C for certain models.
Applications
- Digital Power System Management
- High-Side Switches and MOSFET Drivers
- Hot Swap Controllers
- Power Monitors and Control
- Automotive applications (with #W suffix models)
- High-power industrial and consumer electronics
Q & A
- What is the maximum input voltage for the LTC7001?
The LTC7001 operates from input voltages up to 135V. - What are the operating junction temperature ranges for different models of the LTC7001?
The operating junction temperature ranges are –40°C to 125°C for LTC7001I, –40°C to 150°C for LTC7001J and LTC7001H, and –55°C to 150°C for LTC7001MP. - What are the input thresholds for the LTC7001?
The input thresholds are VIH = 2.0V and VIL = 1.6V. - What is the hysteresis between the input thresholds?
The hysteresis is 400mV. - What is the purpose of the internal charge pump in the LTC7001?
The internal charge pump fully enhances the gate of the external MOSFET. - How does the LTC7001 handle undervoltage conditions?
The LTC7001 includes an internal undervoltage lockout that pulls TGDN to TS when the floating voltage from BST to TS is less than 3.1V (typical). - What is the typical RDS(ON) of the pull-down and pull-up devices in the LTC7001?
The typical RDS(ON) is 1Ω for the pull-down device and 2.2Ω for the pull-up device. - What package type is the LTC7001 available in?
The LTC7001 is available in a 10-Lead Plastic MSOP package. - Is the LTC7001 suitable for automotive applications?
Yes, versions of the LTC7001 with the #W suffix are designed to support the quality and reliability requirements of automotive applications. - What precautions should be taken with the input pin (INP) of the LTC7001?
Care should be taken to keep INP from any noise pickup, especially in high frequency, high voltage applications.
