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Data sheet
TPS63710
- 3.1 V to 14 V Input Voltage Range
- 1 A Output Current
- Up to 91% Efficiency
- ±1.5% Output Voltage Accuracy
- Synchronous Rectification
- Low 1/f-Noise Reference System
- Noise: 22 µVRMS (10 Hz to 100 kHz)
- Output Voltage: -1 V to -5.5 V
- |VOUT| < 0.7 x VIN
- 1.5-MHz fixed frequency PWM mode
- Thermal Shutdown
- 5-µA Shutdown Current
- 3-mm × 3-mm WSON Package
- Create a Custom Design Using the TPS63710 With the WEBENCH® Power Designer
The TPS63710 is an inverting step-down dc-dc converter generating a negative output voltage down to -5.5 V. It provides an output current up to 1 A, depending on the input-voltage to output-voltage ratio. Its filtered reference system gives low 1/f noise which is required in high performance telecommunication systems.
The TPS63710 operates with a fixed-frequency PWM control topology. It has an internal current limit and a thermal shutdown. The input voltage range of 3.1 V to 14 V allows the TPS63710 to be used in a variety of applications where a negative output voltage is generated from a, in absolute value, higher positive input voltage.
Synchronous rectification provides high efficiency especially for small output voltages like -1.8 V, which are typically used as a negative supply voltage for high performance DACs and ADCs. A fixed switching frequency of 1.5 MHz allows the use of small external components and enables a small total solution size.
The TPS63710 comes in a 3-mm × 3-mm WSON package that provides good thermal performance in applications running at high ambient temperature.
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Technical documentation
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View all 10 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS63710 Low Noise Synchronous Inverting Buck Converter datasheet (Rev. A) | PDF | HTML | 17 Jul 2018 |
| Application note | QFN and SON PCB Attachment (Rev. C) | PDF | HTML | 06 Dec 2023 | |
| Application note | Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) | PDF | HTML | 23 May 2022 | |
| Application note | Understanding Undervoltage Lockout in Power Devices (Rev. A) | 19 Sep 2018 | ||
| Technical article | How to modify a step-down converter to the inverting buck-boost topology | PDF | HTML | 17 May 2018 | |
| White paper | Measuring various types of low-frequency noise in DC/DC switching converters | 01 Feb 2018 | ||
| Technical article | What is a low noise inverting buck converter? | PDF | HTML | 30 Oct 2017 | |
| EVM User's guide | TPS63710EVM-811 User's Guide | 01 Sep 2017 | ||
| Application note | Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) | 13 Jan 2012 | ||
| Application note | Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs | 19 Sep 2011 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
TPS63710EVM-811 — TPS63710 Low Noise, Synchronous Inverting Buck Converter Evaluation Module
The TPS63710EVM-811 evaluation module (EVM) facilitates the evaluation of the TPS63710 low noise, 1-A inverting buck converter. The EVM produces a -1.8-V output voltage at up to 1-A of output current from input voltages between 3.1 V and 14 V. The TPS63710 operates in forced PWM mode with a (...)
User guide: PDF
Simulation model
TPS63710 Unencrypted PSpice Transient Model Package (Rev. C)
SLVMC91C.ZIP (86 KB) - PSpice Model
Reference designs
TIDA-010086 — Digital control cost-optimized 10-A battery formation and test reference design
This reference design provides a cost-effective solution for battery formation and test applications. This design uses the C2000™ real-time control MCU for high-resolution pulse-width modulation (PWM) generation, and constant-current (CC) and constant-voltage (CV)
control loops. It efficiently (...)
control loops. It efficiently (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| WSON (DRR) | 12 | Ultra Librarian |
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