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MAX1997ETJ+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1997ETJ+T

Manufacturer: MAXIM, MAXIM Pb-free, MAX

Quintuple/Triple-Output TFT LCD Power Supplies with Fault Protection and VCOM Buffer

Partnumber Manufacturer Quantity Availability
MAX1997ETJ+T,MAX1997ETJT MAXIM, MAXIM Pb-free, MAX 21703 In Stock

Description and Introduction

Quintuple/Triple-Output TFT LCD Power Supplies with Fault Protection and VCOM Buffer The MAX1997ETJ+T is a power-management IC (PMIC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1997ETJ+T  
- **Package:** 32-TQFN (5x5mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable (depends on configuration)  
- **Number of Outputs:** Multiple (varies by configuration)  
- **Switching Frequency:** Up to 1MHz  

### **Descriptions:**  
The MAX1997ETJ+T is a highly integrated power-management IC designed for portable and battery-powered applications. It combines multiple DC-DC converters, LDOs (Low-Dropout Regulators), and control logic to provide efficient power management for systems such as notebooks, tablets, and embedded devices.  

### **Features:**  
- **Integrated DC-DC Converters:** Includes step-down (buck) and step-up (boost) converters.  
- **Multiple Outputs:** Supports core voltage, I/O voltage, and other system power rails.  
- **Programmable Output Voltages:** Adjustable via external resistors or I²C interface (if supported).  
- **Low Dropout (LDO) Regulators:** Provides stable low-noise power for sensitive circuits.  
- **Power Sequencing:** Built-in sequencing for controlled startup/shutdown.  
- **Efficiency Optimization:** Uses pulse-width modulation (PWM) and pulse-frequency modulation (PFM) modes.  
- **Protection Features:** Includes overcurrent, overvoltage, and thermal shutdown protection.  

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

Application Scenarios & Design Considerations

Quintuple/Triple-Output TFT LCD Power Supplies with Fault Protection and VCOM Buffer

Alternative Part Number

  • TPS65130RGER --: Dual-output boost/charge-pump converter in a similar small QFN package, suitable for LCD bias supply applications like the MAX1997.
  • LT1945EMS#PBF --: Dual boost/inverting DC-DC converter with comparable functionality and MSOP package, a common cross for MAX1997 bias supplies.
  • ISL98611IIZ-T --: Integrated LCD bias power supply with positive and negative outputs, functionally similar and available in a compact package.
  • LT3580EMS8E#PBF --: Versatile boost/inverting converter with integrated switch, a common functional substitute for multi-output bias supplies.

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