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MAX1651CSA. from MAX,MAXIM - Dallas Semiconductor

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MAX1651CSA.

Manufacturer: MAX

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

Partnumber Manufacturer Quantity Availability
MAX1651CSA.,MAX1651CSA MAX 18 In Stock

Description and Introduction

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers The MAX1651CSA is a voltage regulator manufactured by Maxim Integrated.  

**Specifications:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage:** 3.3V or 5V (adjustable)  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** 500mV (typical at 1A)  
- **Quiescent Current:** 1.5mA (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin SOIC  

**Descriptions and Features:**  
- Low-dropout linear regulator  
- Adjustable output voltage (with external resistors)  
- Overcurrent and overtemperature protection  
- Stable with low-ESR capacitors  
- Internal P-channel MOSFET pass transistor  
- Low power dissipation in shutdown mode  
- High accuracy (±1% over line, load, and temperature)  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

Alternative Part Number

  • LTC1624CS8 --: Step-down switching regulator controller in an 8-pin SOIC package with comparable input voltage range and current-mode control, widely used as a drop-in functional substitute for MAX1651 designs.
  • LM3478MM --: Low-side N-channel MOSFET controller in MSOP-8 offering similar wide input range and adjustable switching frequency, suitable for boost/flyback topologies where the MAX1651 is used.
  • MC34063ACD --: Classic general-purpose DC-DC converter IC in SOIC-8 that can implement step-down, step-up and inverting topologies, providing a low-cost, widely available fallback for MAX1651 applications.

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