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MAX8842ELT+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX8842ELT+T

Manufacturer: MAXIM

Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in µDFN

Partnumber Manufacturer Quantity Availability
MAX8842ELT+T,MAX8842ELTT MAXIM 140 In Stock

Description and Introduction

Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in µDFN The MAX8842ELT+T is a linear battery charger IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4V to 13V  
- **Charge Voltage:** 4.2V ±0.75%  
- **Charge Current:** Up to 1A (programmable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 6-pin TDFN (3mm x 3mm)  
- **Charge Termination:** Constant-Current/Constant-Voltage (CC/CV) with automatic termination  
- **Precharge Current:** 10% of programmed current  
- **Reverse Leakage Current:** <1µA  

### **Descriptions:**  
- The MAX8842ELT+T is a single-cell Li+ battery charger with an integrated MOSFET and thermal regulation.  
- It supports USB and AC adapter inputs with automatic input selection.  
- The device includes safety features like thermal shutdown, reverse current blocking, and battery detection.  

### **Features:**  
- **Programmable Charge Current** via external resistor.  
- **Thermal Regulation** to prevent overheating.  
- **Automatic Power Source Detection** (USB or AC adapter).  
- **No External MOSFET or Diode Required** (integrated power FET).  
- **Charge Status Outputs** (open-drain outputs for charging and power-good indication).  
- **Low Dropout Operation** for efficient charging.  

This information is based solely on the manufacturer's datasheet. For detailed application notes, refer to Maxim Integrated (Analog Devices) documentation.

Application Scenarios & Design Considerations

Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in µDFN

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