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MAX734CSA-T from MAX,MAXIM - Dallas Semiconductor

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MAX734CSA-T

Manufacturer: MAX, MAXIN

12V, 120mA Flash Memory Programming Supply

Partnumber Manufacturer Quantity Availability
MAX734CSA-T,MAX734CSAT MAX, MAXIN 884 In Stock

Description and Introduction

12V, 120mA Flash Memory Programming Supply **Manufacturer:** Maxim Integrated (now part of Analog Devices)  

**Part Number:** MAX734CSA-T  

### **Specifications:**  
- **Type:** Switched-Capacitor Voltage Converter  
- **Function:** DC-DC Converter (Inverting)  
- **Input Voltage Range:** +1.5V to +5.5V  
- **Output Voltage:** -1.5V to -5.5V (adjustable via external resistors)  
- **Output Current:** Up to 50mA  
- **Switching Frequency:** 150kHz (typical)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin SOIC (CSA suffix)  
- **Pin Count:** 8  
- **Shutdown Current:** 1µA (max)  

### **Descriptions:**  
The MAX734CSA-T is a switched-capacitor voltage inverter that efficiently converts a positive input voltage to a negative output voltage. It is designed for low-power applications requiring a simple, compact solution for generating a negative supply rail.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **No Inductors Required:** Uses only capacitors for operation.  
- **Low Shutdown Current:** Consumes minimal power when disabled.  
- **High Efficiency:** Up to 96% conversion efficiency.  
- **Compact SOIC Package:** Suitable for space-constrained designs.  

This part is commonly used in portable electronics, data acquisition systems, and other applications requiring a negative voltage supply.

Application Scenarios & Design Considerations

12V, 120mA Flash Memory Programming Supply

Alternative Part Number

  • LTC1265CS8 --: Pin-compatible step-up/step-down switching regulator in an 8-pin SOIC package with similar input voltage range and output current, suitable as a functional replacement.
  • MC34063ACD --: Widely available general-purpose DC-DC converter IC that can be configured for boost, buck, or inverting operation, offering a flexible and low-cost alternative for similar power supply designs.
  • TPS61040DBVR --: Compact boost converter in SOT-23 with comparable switching frequency and output capability, useful as a modern substitute when layout changes are acceptable.
  • LTC1262CS8 --: Pin-compatible charge-pump voltage converter in an 8-pin SOIC package with comparable input/output ratings, widely used as a MAX734 substitute.
  • ICL7660SCPA --: Classic charge-pump voltage inverter/converter offering similar negative-rail generation, available in DIP/SOIC and commonly cross-referenced to MAX734 designs.
  • TC7662BCOA --: Charge-pump voltage converter in 8-pin SOIC with similar switching and current capability, a practical drop-in style alternative for MAX734 applications.

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