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MAX1993ETG+TG40 from MAXIM,MAXIM - Dallas Semiconductor

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MAX1993ETG+TG40

Manufacturer: MAXIM, MAXIN

Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Voltages

Partnumber Manufacturer Quantity Availability
MAX1993ETG+TG40 MAXIM, MAXIN 4635 In Stock

Description and Introduction

Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Voltages The **MAX1993ETG+TG40** 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 available data:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1993ETG+TG40  
- **Package:** 24-TQFN (4x4mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable (depends on configuration)  
- **Number of Outputs:** Multiple (varies by application)  
- **Switching Frequency:** Programmable (typically up to 1MHz)  

### **Descriptions:**
The MAX1993ETG+TG40 is a **high-efficiency, multi-output power-supply controller** designed for applications requiring precise power management. It integrates PWM controllers, LDO regulators, and sequencing logic, making it suitable for **portable devices, embedded systems, and industrial applications**.

### **Features:**
- **Multi-Output Power Management:** Supports multiple regulated outputs (buck converters, LDOs).  
- **High Efficiency:** Uses synchronous rectification for improved power conversion.  
- **Programmable Switching Frequency:** Allows optimization for efficiency or noise performance.  
- **Integrated Sequencing:** Ensures proper power-up/down sequencing for system reliability.  
- **Low-Power Modes:** Supports power-saving modes for battery-operated devices.  
- **Fault Protection:** Includes overcurrent, overvoltage, and thermal shutdown protection.  

For exact application details, refer to the **official datasheet** from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Voltages

Alternative Part Number

  • LTC3412AEFE#PBF --: High-efficiency synchronous step-down converter in a similar power class, pin-compatible footprint family, and widely available as a drop-in functional replacement.
  • TPS54331DR --: 3A step-down DC-DC converter with comparable input voltage range and switching frequency, offering a cost-effective alternative with broad availability.
  • ISL85415FRZ --: Synchronous buck regulator with similar current rating and compact package, suitable as a functional substitute when the original is unavailable.
  • TPS61170DRVR --: Integrated boost converter in a small package with comparable input/output voltage range and current capability, suitable as a functional substitute in similar power supply designs.
  • LT1932ES6 --: Constant-current boost LED driver with similar topology and operating voltage, offering a different series and pin-compatible style solution for backlight applications.
  • AP3012KTR-G1 --: Low-cost step-up converter with comparable switching frequency and voltage ratings, providing a distinct naming series and good availability as an alternative.

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