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MAX1771CSA from MAXAM,MAXIM - Dallas Semiconductor

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MAX1771CSA

Manufacturer: MAXAM, MAX, MAX, MAXIM, MAXIM

12V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controller

Partnumber Manufacturer Quantity Availability
MAX1771CSA MAXAM, MAX, MAX, MAXIM, MAXIM 2421 In Stock

Description and Introduction

12V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controller The MAX1771CSA is a high-efficiency, step-up DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Input Voltage Range:** 1.8V to 16.5V  
- **Output Voltage Range:** Adjustable up to 28V  
- **Switching Frequency:** 300kHz  
- **Maximum Output Current:** 1A (dependent on input/output conditions)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Shutdown Current:** <10µA  

### **Descriptions:**  
The MAX1771CSA is a step-up (boost) DC-DC converter designed for applications requiring high efficiency and compact power solutions. It integrates a power MOSFET and control circuitry to minimize external component count. The device is suitable for battery-powered systems, portable electronics, and other applications where space and efficiency are critical.  

### **Features:**  
- **Wide Input Voltage Range:** Supports operation from 1.8V to 16.5V.  
- **Adjustable Output Voltage:** Can be set up to 28V using external resistors.  
- **High Efficiency:** Up to 94% efficiency for extended battery life.  
- **Integrated Power MOSFET:** Reduces external component requirements.  
- **Low Shutdown Current:** Consumes less than 10µA in shutdown mode.  
- **Overcurrent Protection:** Built-in current limiting for enhanced reliability.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Fixed-Frequency Operation:** 300kHz switching frequency for stable performance.  

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

Application Scenarios & Design Considerations

12V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controller

Alternative Part Number

  • LTC1871EMS --: Boost/SEPIC/inverting DC-DC controller with similar wide input range and external MOSFET drive, commonly used as a functional substitute for the MAX1771 in boost converter designs.
  • MC34063AP --: Widely available general-purpose DC-DC switching regulator controller supporting boost, buck, and inverting topologies; lower performance but a common low-cost drop-in style alternative for simple designs.
  • TL494CN --: Classic PWM controller IC usable in boost and step-up converter circuits; broadly stocked and inexpensive, suitable when exact electrical matching is not critical.
  • LTC1771CS8 --: Very similar step-up DC-DC controller in an 8-pin SOIC package with comparable input voltage range and switching architecture, making it a strong functional drop-in candidate.
  • MC34063ACD --: Widely available general-purpose DC-DC switching regulator controller in SOIC-8 that can be configured for boost operation, offering a low-cost and well-documented alternative.
  • LM2577S-ADJ --: Simple switcher step-up voltage regulator in a similar package with adjustable output, suitable as a replacement when a complete boost regulator IC is acceptable.
  • MC34063A --: Widely available general-purpose DC-DC switching regulator controller covering boost, buck, and inverting topologies; lower performance but common low-cost substitute.
  • LM3478MM --: Low-side N-channel MOSFET boost controller with comparable input voltage range and current-mode control, usable in similar boost converter designs.

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