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MAX889TESA+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX889TESA+T

Manufacturer: MAXIM

High-Frequency, Regulated, 200mA, Inverting Charge Pump

Partnumber Manufacturer Quantity Availability
MAX889TESA+T MAXIM 1500 In Stock

Description and Introduction

High-Frequency, Regulated, 200mA, Inverting Charge Pump The **MAX889TESA+T** is a step-up DC-DC converter manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Category:** Power Management IC  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (up to 5.5V)  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** 8-pin SOIC (SO)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The **MAX889TESA+T** is a high-efficiency, low-power step-up DC-DC converter designed for battery-powered applications.  
- It integrates a synchronous rectifier for improved efficiency and reduced external component count.  
- The device is optimized for portable electronics, such as smartphones, wireless devices, and handheld instruments.  

### **Features:**  
- **Low Start-up Voltage (0.7V)** – Suitable for single-cell alkaline/NiMH battery applications.  
- **Synchronous Rectification** – Enhances efficiency and eliminates the need for an external Schottky diode.  
- **Adjustable Output Voltage** – Set via external resistors.  
- **1.2MHz Fixed-Frequency Operation** – Reduces inductor size and PCB space.  
- **Low Quiescent Current (30µA typical)** – Extends battery life.  
- **Thermal Shutdown & Overcurrent Protection** – Ensures safe operation.  
- **Small Footprint** – 8-pin SOIC package for space-constrained designs.  

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

Application Scenarios & Design Considerations

High-Frequency, Regulated, 200mA, Inverting Charge Pump

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