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MAX734ESA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX734ESA+T

Manufacturer: MAXIM

12V, 120mA Flash Memory Programming Supply

Partnumber Manufacturer Quantity Availability
MAX734ESA+T,MAX734ESAT MAXIM 2759 In Stock

Description and Introduction

12V, 120mA Flash Memory Programming Supply The MAX734ESA+T is a switched-capacitor voltage converter manufactured by Maxim Integrated.  

**Key Specifications:**  
- **Input Voltage Range:** 1.5V to 5.5V  
- **Output Voltage Options:** -1.5V to -5.5V (adjustable via external resistors)  
- **Output Current:** Up to 50mA  
- **Efficiency:** Up to 99%  
- **Switching Frequency:** 150kHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

**Descriptions:**  
The MAX734ESA+T is an inverting charge-pump DC-DC converter that generates a negative output voltage from a positive input supply. It eliminates the need for inductors, making it suitable for space-constrained applications.  

**Features:**  
- No Inductors Required  
- Low 120µA Quiescent Current  
- Adjustable Output Voltage  
- Low Output Impedance (6Ω typical)  
- Power-Saving Shutdown Mode  
- Small Footprint (SOIC-8 Package)  

This device is commonly used in portable electronics, battery-powered systems, and applications requiring negative voltage rails.

Application Scenarios & Design Considerations

12V, 120mA Flash Memory Programming Supply

Alternative Part Number

  • LT1303CS8#PBF --: Low-power boost DC-DC converter in SO-8 with comparable input voltage range and current capability, suitable drop-in for many MAX734 applications.
  • MC34063ACD-TR --: Widely available general-purpose boost/buck/inverting switching regulator in SO-8, flexible and cost-effective substitute with external component adjustment.
  • TPS61040DBVR --: High-efficiency boost converter in SOT-23 with similar low-voltage input range, good alternative when board space allows a smaller package.

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