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TPS6734ID from TI,Texas Instruments

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TPS6734ID

Manufacturer: TI, SEIWA

Fixed 12-V 120-MA Boost-Converter Supply

Partnumber Manufacturer Quantity Availability
TPS6734ID TI, SEIWA 259 In Stock

Description and Introduction

Fixed 12-V 120-MA Boost-Converter Supply The TPS6734ID is a DC-DC converter manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 5.5V  
- **Output Voltage:** -5V (adjustable via external resistors)  
- **Output Current:** Up to 250mA  
- **Switching Frequency:** 200kHz (typical)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8 (D)  

### **Descriptions:**  
The TPS6734ID is a switched-capacitor voltage inverter designed to generate a regulated negative output voltage from a positive input supply. It is commonly used in applications requiring a low-power negative voltage rail, such as analog circuits, data acquisition systems, and industrial controls.  

### **Features:**  
- **Integrated Power MOSFETs** – Eliminates the need for external switches.  
- **Low Quiescent Current** – Typically 1.2mA, improving efficiency.  
- **Soft-Start Function** – Reduces inrush current during startup.  
- **Short-Circuit Protection** – Safeguards the device under fault conditions.  
- **Adjustable Output Voltage** – Can be set using external resistors.  
- **Compact SOIC-8 Package** – Suitable for space-constrained designs.  

This information is strictly based on TI's datasheet for the TPS6734ID.

Application Scenarios & Design Considerations

Fixed 12-V 120-MA Boost-Converter Supply

Alternative Part Number

  • LT1073CS8 --: Boost/inverting switching regulator in the same class as the TPS6734, with comparable input voltage range and current capability; a well-established drop-in style alternative for low-power boost applications.
  • MC34063AD --: Versatile DC-DC switching regulator controller that can be configured for boost, buck, or inverting topologies, widely available and commonly used as a substitute for simple boost converters like the TPS6734.
  • LM2577S-ADJ --: Adjustable boost switching regulator from TI with similar boost converter function and wide input range, offering a familiar pin-compatible family option for step-up designs.
  • LT1109CS8 --: Boost converter IC with similar function and pinout, widely available and well documented.
  • MC34063AP --: Versatile DC-DC switching regulator usable as a boost converter, very common and low cost.
  • LM2577T-ADJ --: Adjustable step-up switching regulator suitable for similar boost applications.

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