Overview
The TPS65136RTER, produced by Texas Instruments, is a Single-Inductor, Multiple-Output (SIMO) regulator designed to provide best-in-class picture quality for active-matrix OLED (AMOLED) displays. This device is particularly suited for applications requiring both positive and negative supply rails, such as in mobile phones and smartphone devices. It operates with a buck-boost topology, generating both positive and negative output voltages above or below the input voltage rail, ensuring excellent line and load regulation.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Input Voltage Range | 2.3 | 5.5 | V | |
| Operating Ambient Temperature | -40 | 85 | °C | |
| Operating Junction Temperature | -40 | 125 | °C | |
| Positive Output Voltage Regulation | 4.554 | 4.6 | 4.646 | V |
| Negative Output Voltage Range | -2.5 | -6 | V | |
| Output Current Mismatch | -30% | 30% | % | |
| Thermal Shutdown | 140 | °C | ||
| Thermal Shutdown Hysteresis | 5 | °C | ||
| Sequencing Delay (Vpos start to Vneg start) | 6 | 8.7 | 11 | ms |
Key Features
- Single-Inductor, Multiple-Output (SIMO) Regulator Technology
- Fixed 4.6-V Positive Output Voltage and Adjustable Negative Output Voltage Down to –6 V
- Excellent Line and Load Regulation
- Low-Noise Operation and Thermal Shutdown Protection
- Short-Circuit Protection and Advanced Power-Save Mode for Light-Load Efficiency
- 3-mm × 3-mm Thin QFN Package
- Internal Fixed Start-Up Sequence with Delayed Negative Rail Start-Up
- High Efficiency Over the Entire Load-Current Range
Applications
The TPS65136RTER is ideally suited for active-matrix OLED (AMOLED) displays used in mobile phones, smartphones, and other portable electronic devices that require both positive and negative supply rails. Its wide input voltage range and high efficiency make it a reliable choice for applications where power management and picture quality are critical.
Q & A
- What is the primary function of the TPS65136RTER?
The TPS65136RTER is a Single-Inductor, Multiple-Output (SIMO) regulator designed to provide power for active-matrix OLED (AMOLED) displays. - What are the output voltage ranges for the TPS65136RTER?
The device provides a fixed 4.6-V positive output voltage and an adjustable negative output voltage down to –6 V. - What is the input voltage range for the TPS65136RTER?
The input voltage range is from 2.3 V to 5.5 V. - What is the operating temperature range for the TPS65136RTER?
The device operates over an ambient temperature range of –40°C to 85°C. - Does the TPS65136RTER have thermal protection?
Yes, it includes thermal shutdown protection with a threshold of 140°C and a hysteresis of 5°C. - What is the sequencing delay for the output voltages?
The sequencing delay from the start of the positive output voltage to the start of the negative output voltage is typically 8.7 ms. - How does the TPS65136RTER manage efficiency at light loads?
The device features an advanced power-save mode for high efficiency at light-load conditions. - What type of package does the TPS65136RTER come in?
The device is packaged in a 3-mm × 3-mm thin QFN package. - Does the TPS65136RTER have short-circuit protection?
Yes, it includes short-circuit protection to prevent damage during overcurrent conditions. - What is the recommended input capacitor for the TPS65136RTER?
A 10-µF ceramic input capacitor is typically recommended, but larger values can be used to lower the input voltage ripple.
