Overview
The TPS40200DR, produced by Texas Instruments, is a flexible, non-synchronous controller designed for driving P-channel FETs in DC-DC converter applications. This controller operates with input voltages ranging from 4.5 V to 52 V and features a built-in 200-mA driver. It is particularly useful for its power-saving feature, which turns off the driver current once the external FET is fully turned on, thereby extending the device's flexibility and reducing power dissipation. The TPS40200DR supports voltage-mode feedback with feed-forward input voltage compensation, ensuring stable operation across the full input voltage range. It is available in 8-pin SOIC and VSON packages, making it versatile and easy to integrate into various designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 V to 52 V | V |
| Output Voltage Range | 700 mV to 90% VIN | V |
| Internal P-channel FET Driver Current | 200 mA | A |
| Switching Frequency Range | 35 kHz to 500 kHz | Hz |
| Reference Voltage | 700 mV ± 2% | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Types | 8-pin SOIC, 8-pin VSON | - |
Key Features
- Input Voltage Range: 4.5 V to 52 V
- Output Voltage Range: 700 mV to 90% VIN
- 200-mA Internal P-channel FET Driver
- Voltage Feed-Forward Compensation
- Undervoltage Lockout (UVLO)
- Programmable Fixed-Frequency Operation (between 35 kHz and 500 kHz)
- Programmable Short-Circuit Protection
- Hiccup Overcurrent Fault Recovery
- Programmable Closed-Loop Soft-Start
- External Synchronization Capability
- Small 8-Pin SOIC and VSON Packages
Applications
The TPS40200DR is suitable for a variety of DC-DC converter applications, including:
- Industrial Power Supplies
- Telecom and Networking Equipment
- Automotive Systems
- Medical Devices
- General Purpose DC-DC Conversion
Q & A
- What is the input voltage range of the TPS40200DR?
The input voltage range of the TPS40200DR is from 4.5 V to 52 V.
- What is the output voltage range of the TPS40200DR?
The output voltage range of the TPS40200DR is from 700 mV to 90% of the input voltage.
- What is the current rating of the internal P-channel FET driver?
The internal P-channel FET driver has a current rating of 200 mA.
- What is the switching frequency range of the TPS40200DR?
The switching frequency range of the TPS40200DR is between 35 kHz and 500 kHz.
- Does the TPS40200DR have undervoltage lockout (UVLO) protection?
Yes, the TPS40200DR has undervoltage lockout (UVLO) protection.
- Can the TPS40200DR be synchronized with other controllers or a system clock?
Yes, the TPS40200DR can be synchronized with other controllers or a system clock.
- What are the available package types for the TPS40200DR?
The TPS40200DR is available in 8-pin SOIC and 8-pin VSON packages.
- What is the operating temperature range of the TPS40200DR?
The operating temperature range of the TPS40200DR is from -40°C to 85°C.
- Does the TPS40200DR have a soft-start feature?
Yes, the TPS40200DR has a programmable closed-loop soft-start feature.
- How does the TPS40200DR handle overcurrent conditions?
The TPS40200DR features programmable short-circuit protection and hiccup overcurrent fault recovery.
