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LTC1421CG-2.5 from LT

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LTC1421CG-2.5

Manufacturer: LT, LINEAR

Hot swap controller

Partnumber Manufacturer Quantity Availability
LTC1421CG-2.5,LTC1421CG25 LT, LINEAR 6832 In Stock

Description and Introduction

Hot swap controller The LTC1421CG-2.5 is a product from Linear Technology (now part of Analog Devices). Here are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** LINEAR (Linear Technology)
- **Part Number:** LTC1421CG-2.5
- **Type:** Precision Micropower Shunt Voltage Reference
- **Output Voltage:** 2.5V
- **Initial Accuracy:** ±0.2%
- **Temperature Coefficient:** 50ppm/°C (max)
- **Operating Current:** 50µA (typical)
- **Line Regulation:** 0.05%/V (typical)
- **Load Regulation:** 0.05%/mA (typical)
- **Operating Temperature Range:** 0°C to 70°C
- **Package:** 8-Lead SOIC (CG package)

### **Descriptions:**
- The LTC1421CG-2.5 is a precision shunt voltage reference designed for low-power applications.
- It provides a stable 2.5V output with high accuracy and low temperature drift.
- Suitable for battery-powered systems, data acquisition, and portable instrumentation due to its micropower operation.

### **Features:**
- **Low Power Consumption:** Operates with only 50µA supply current.
- **High Accuracy:** ±0.2% initial voltage tolerance.
- **Low Temperature Drift:** 50ppm/°C ensures stability over temperature variations.
- **Stable Performance:** Excellent line and load regulation.
- **Wide Operating Range:** Functions reliably from 0°C to 70°C.
- **Small Form Factor:** Available in an 8-lead SOIC package for space-constrained designs.

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

Application Scenarios & Design Considerations

Hot swap controller

Alternative Part Number

  • MAX6692ESA+ --: Dual-channel temperature monitor with voltage supervision in an 8-pin SOIC, functionally similar to the LTC1421's monitoring role and pin-compatible in many designs.
  • ADM1191-2ARMZ --: Hot-swap controller with integrated current sense and voltage monitoring, offering comparable supply monitoring functionality in a compact package.
  • TPS2325IDR --: Dual hot-swap controller with fault protection and status outputs, a practical substitute for supply sequencing and monitoring applications.
  • MAX792SCPE --: Supervisory/reset IC with similar voltage monitoring function and 2.5V threshold options; widely available pin-compatible-class alternative.
  • ADM8691AN --: Microprocessor supervisory circuit offering comparable reset and voltage monitoring features, suitable drop-in functional replacement.
  • TPS3707-25DGN --: Voltage supervisor with 2.5V monitoring threshold, similar function and small package, good second-source option.
  • TPS3705-25 --: 2.5V voltage supervisor with similar threshold and reset timing, good alternative when supply chain availability is a concern.

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