Overview
The TPS82140SILT from Texas Instruments is a 17-V input, 2-A step-down converter MicroSiP™ power module. This module is optimized for small solution size and high efficiency, integrating a synchronous step-down converter and an inductor to simplify design, reduce external components, and save PCB area. The compact 3.0-mm x 2.8-mm x 1.5-mm MicroSiP™ package makes it suitable for automated assembly by standard surface mount equipment. The device operates using the DCS-Control™ topology, which combines the advantages of hysteretic and voltage mode control, ensuring excellent load transient performance and accurate output voltage regulation.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | 3.0 | 17 | V | ||
| Continuous Output Current | 2 | A | |||
| Output Voltage Range | 0.9 | 6 | V | ||
| Quiescent Current (IQ) | No load, device not switching | 20 | 35 | µA | |
| Shutdown Current (ISD) | EN = Low | 1.5 | 7.4 | µA | |
| Under Voltage Lockout (VUVLO) | VIN falling | 2.6 | 2.7 | 2.8 | V |
| Thermal Shutdown Threshold (TJSD) | TJ rising | 160 | °C | ||
| Switching Frequency | 2.0 | MHz | |||
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- 3.0-mm x 2.8-mm x 1.5-mm MicroSiP™ package for compact design
- DCS-Control™ topology for seamless transition between PWM and Power Save Mode
- Power Save Mode for high efficiency at light load currents with typically 20-µA quiescent current
- 100% duty cycle for lowest dropout voltage
- Power Good output and programmable soft startup with tracking
- Thermal shutdown protection and under voltage lockout
- Pin to pin compatible with TPS82130 and TPS82150
- Integrated inductor to reduce external components and save PCB area
Applications
- Industrial applications
- Telecom and networking applications
- Solid State Drives (SSDs)
- Inverting power supply applications
Q & A
- What is the input voltage range of the TPS82140?
The input voltage range is from 3.0 V to 17 V.
- What is the maximum continuous output current of the TPS82140?
The maximum continuous output current is 2 A.
- What is the output voltage range of the TPS82140?
The output voltage range is adjustable from 0.9 V to 6 V.
- What is the quiescent current of the TPS82140 in no-load conditions?
The quiescent current is typically 20 µA in no-load conditions.
- What is the switching frequency of the TPS82140 in PWM mode?
The switching frequency is typically 2.0 MHz in PWM mode.
- Does the TPS82140 have thermal shutdown protection?
Yes, the device has thermal shutdown protection that activates when the junction temperature exceeds 160°C.
- What is the purpose of the Power Good output in the TPS82140?
The Power Good output is an open-drain signal that indicates when the output voltage is within the specified range.
- Can the TPS82140 operate in 100% duty cycle mode?
Yes, the TPS82140 can operate in 100% duty cycle mode to achieve the lowest dropout voltage.
- Is the TPS82140 compatible with other Texas Instruments models?
Yes, it is pin to pin compatible with the TPS82130 and TPS82150.
- What is the operating temperature range of the TPS82140?
The operating temperature range is from -40°C to 125°C.
