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MAX848ESE from MAX,MAXIM - Dallas Semiconductor

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MAX848ESE

Manufacturer: MAX, MAXIM

1-Cell to 3-Cell / High-Power / Low-Noise / Step-Up DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX848ESE MAX, MAXIM 520 In Stock

Description and Introduction

1-Cell to 3-Cell / High-Power / Low-Noise / Step-Up DC-DC Converters The MAX848ESE is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX848ESE  
- **Package:** 16-pin Narrow SOIC (SO)  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (up to 5.5V)  
- **Switching Frequency:** 500kHz  
- **Maximum Output Current:** 300mA (at 3.3V output)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The MAX848ESE is a high-efficiency, step-up DC-DC converter designed for low-input-voltage applications. It integrates a power MOSFET and is optimized for battery-powered systems. The device provides a regulated output voltage from a single-cell or dual-cell battery input.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V  
- **Adjustable Output Voltage** (via external resistors)  
- **Internal Power MOSFET** (eliminates the need for an external switch)  
- **Low Quiescent Current:** 35µA (typical)  
- **Pulse-Width Modulation (PWM) Operation**  
- **Thermal Shutdown Protection**  
- **Small Footprint** (16-pin SOIC package)  

This information is sourced from Maxim Integrated's official datasheet for the MAX848ESE.

Application Scenarios & Design Considerations

1-Cell to 3-Cell / High-Power / Low-Noise / Step-Up DC-DC Converters

Alternative Part Number

  • LT1372CS8 --: Step-up switching regulator in an SO-8 package with comparable input range and current capability, widely used as a MAX848 substitute.
  • MC34063ACD --: Versatile DC-DC converter IC in SOIC-8 that can be configured as a boost regulator covering similar voltage and current needs at low cost.
  • LM2700MT-ADJ --: Adjustable boost converter in a small package with comparable switching frequency and output capability, suitable as a functional replacement.
  • LT1107CS8 --: Pin-compatible step-up DC-DC converter in SO-8 with similar input voltage range and switching architecture; widely available and well documented.
  • TPS61040DBVR --: Boost converter in SOT-23 with comparable functionality for low-power step-up applications; good alternative when layout can be adjusted.

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