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TPS60231RGTT from TI,Texas Instruments

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TPS60231RGTT

Manufacturer: TI, BB/TI

3-Channel, Current-regulated 75-mA Charge Pump for White LED Backlight in 3x3 QFN

Partnumber Manufacturer Quantity Availability
TPS60231RGTT TI, BB/TI 19594 In Stock

Description and Introduction

3-Channel, Current-regulated 75-mA Charge Pump for White LED Backlight in 3x3 QFN The TPS60231RGTT is a charge pump DC-DC converter manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 1.8V to 3.6V  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 150mA  
- **Efficiency:** Up to 90%  
- **Switching Frequency:** 1.2MHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QFN (RGTT)  

### **Descriptions:**  
The TPS60231RGTT is a low-noise, regulated charge pump DC-DC converter that provides a fixed 3.3V output from an input voltage range of 1.8V to 3.6V. It is designed for applications requiring a stable power supply with minimal external components.  

### **Features:**  
- **Low Noise:** Uses a regulated charge pump topology for reduced output ripple.  
- **High Efficiency:** Up to 90% efficiency with automatic power-saving mode at light loads.  
- **Small Footprint:** Requires only three small ceramic capacitors (no inductors needed).  
- **Low Quiescent Current:** 45µA (typical) in operation.  
- **Short-Circuit Protection:** Includes built-in protection against output short circuits.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown:** Protects the device from overheating.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

3-Channel, Current-regulated 75-mA Charge Pump for White LED Backlight in 3x3 QFN

Alternative Part Number

  • LM2750SDX-ADJ --: Pin-compatible switched-capacitor boost/charge-pump converter in the same family of regulated charge pumps, suitable for similar low-current LED/display bias applications.
  • MAX1682EUK+T --: Switched-capacitor voltage converter with comparable input range and output current, a common cross-vendor alternative for charge-pump designs.
  • LM2776TMX/NOPB --: Low-noise switched-capacitor inverter/charge pump with similar package and current capability, usable as a functional substitute in many charge-pump circuits.
  • LM2750SD-ADJ --: Switched-capacitor boost converter with adjustable output in a small package, functionally similar to the TPS60231 charge pump and suitable for low-current regulated supply rails.
  • LTC3200EMS8 --: Low-noise regulated charge pump in an MSOP package, offering comparable low-current boosted output for portable applications.

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