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L6917BDTR from STM,ST Microelectronics

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L6917BDTR

Manufacturer: STM

5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER

Partnumber Manufacturer Quantity Availability
L6917BDTR STM 306 In Stock

Description and Introduction

5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER The L6917BDTR is a voltage regulator manufactured by STMicroelectronics (STM). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (STM)  
- **Part Number:** L6917BDTR  
- **Package:** DFN-8 (3x3)  
- **Type:** Synchronous Buck Regulator  
- **Input Voltage Range:** 2.9V to 5.5V  
- **Output Voltage Range:** Adjustable (0.8V to VIN)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The L6917BDTR is a high-efficiency, synchronous step-down DC-DC converter designed for low-voltage applications. It integrates power MOSFETs and provides a compact solution for space-constrained designs.  

### **Features:**  
- **High Efficiency:** Up to 95% with synchronous rectification.  
- **Adjustable Output Voltage:** Via external resistor divider.  
- **Low Dropout Operation:** Allows operation at 100% duty cycle.  
- **Integrated Power MOSFETs:** Reduces external component count.  
- **Fixed Frequency PWM Operation:** 1.5MHz for small external components.  
- **Overcurrent & Thermal Protection:** Enhances reliability.  
- **Soft-Start Function:** Limits inrush current.  
- **Power Good Indicator:** Monitors output voltage.  

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

Application Scenarios & Design Considerations

5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER

Alternative Part Number

  • ISL6545CBZ --: Single-phase synchronous buck PWM controller with similar function and voltage range, widely available and pin-compatible in many designs.
  • TPS40170RGYR --: Versatile synchronous buck controller with comparable input voltage and gate drive capability, suitable as a functional replacement.
  • NCP1587ADR2G --: Low-cost single-phase buck controller with similar operating characteristics, usable as a drop-in alternative after design verification.

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