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MAX739CPD from MAXIM,MAXIM - Dallas Semiconductor

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MAX739CPD

Manufacturer: MAXIM

-5V,-12V,-15V, and Adjustable Inverting Current-Mode PWM Regulators

Partnumber Manufacturer Quantity Availability
MAX739CPD MAXIM 50 In Stock

Description and Introduction

-5V,-12V,-15V, and Adjustable Inverting Current-Mode PWM Regulators The MAX739CPD is a switched-capacitor voltage converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX739CPD  
- **Package:** 14-Pin PDIP (Plastic Dual In-Line Package)  
- **Type:** Switched-Capacitor Voltage Converter  
- **Input Voltage Range:** 1.5V to 6.5V  
- **Output Voltage:** -5V (adjustable with external resistors)  
- **Output Current:** Up to 100mA  
- **Switching Frequency:** 10kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** 0°C to +70°C  

### **Descriptions:**
The MAX739CPD is a charge-pump voltage inverter that converts a positive input voltage (1.5V to 6.5V) into a regulated negative output voltage (-5V by default). It does not require an inductor, making it suitable for space-constrained applications. The device uses an internal oscillator and switching capacitors to invert the input voltage efficiently.

### **Features:**
- **No Inductor Required** – Uses external capacitors for voltage inversion.  
- **Low Power Consumption** – Ideal for battery-powered applications.  
- **Adjustable Output Voltage** – Can be set using external resistors.  
- **High Efficiency** – Up to 90% conversion efficiency.  
- **Low Quiescent Current** – Typically 1.5mA.  
- **Short-Circuit Protection** – Includes thermal shutdown.  
- **Simple External Components** – Requires only four capacitors for operation.  

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

Application Scenarios & Design Considerations

-5V,-12V,-15V, and Adjustable Inverting Current-Mode PWM Regulators

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