TPS65137
- 2.3 V to 5.5 V Input Voltage Range
- 1% Output Voltage Accuracy VPOS
- Excellent Line Transient Regulation
- Low Noise Operation
- 200 mA Output Current
- Fixed 4.63 V Positive Output Voltage
- Digitally Programmable Negative Output
Voltage Down to –5.23V - –4.93V Default Value for VNEG
- Advanced Power Save Mode
- Short Circuit Protection
- Thermal Shutdown
- TPS65137A High impedance output in shutdown
- 3×3 mm 10 Pin QFN Package
The TPS65137 is designed to provide best in class picture quality for AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative voltage supply rails. With its wide input voltage range the device is ideally suited for AMOLED displays, which are used in mobile phones and smart phones. With this device the input voltage can be higher than the positive output voltage and still maintains accurate regulation of VPOS. Using the digital control pin (CTRL) allows adjusting the negative output voltage in digital steps. The TPS65137 uses a novel technology enabling excellent line and load regulation with minimum output voltage ripple by using a LDO post regulator for VPOS. This is required avoiding disturbance of the AMOLED display due to input voltage transients occurring during transmit periods in mobile phones.
Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | 200mA Dual Output AMOLED Display Power datasheet (Rev. A) | 10 Oct 2012 | |
Application note | 스트컨버터의 전력계 기본 계산 (Rev. D) | PDF | HTML | 21 Nov 2022 | |
Application note | Basic Calculation of a Boost Converter's Power Stage (Rev. D) | PDF | HTML | 28 Oct 2022 | |
Application note | Understanding Undervoltage Lockout in Power Devices (Rev. A) | 19 Sep 2018 | ||
Application note | Basic calculation of an inverting buck-boost power stage (Rev. A) | 28 Aug 2017 | ||
Application note | Basic Calculation of a Buck Converter's Power Stage (Rev. B) | 17 Aug 2015 | ||
User guide | TPS65137A Evaluation Module | 13 Aug 2010 | ||
Application note | Minimizing Ringing at the Switch Node of a Boost Converter | 15 Sep 2006 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
TPS65137AEVM-366 — TPS65137A Evaluation Module
The Texas Instruments TPS65137AEVM-366 uses a TPS65137A 200-mA, dual-output, AMOLED (Active Matrix Organic Light-Emitting Diode) display power regulator to provide both a positive and negative power rail. The goal of the EVM is to facilitate evaluation of the TPS65137A. The TPS65137A is designed to (...)
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Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
WSON (DSC) | 10 | Ultra Librarian |
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