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LTC4251-1IS6 from LT

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LTC4251-1IS6

Manufacturer: LT

Negative Voltage Hot Swap Controllers in SOT-23

Partnumber Manufacturer Quantity Availability
LTC4251-1IS6,LTC42511IS6 LT 56 In Stock

Description and Introduction

Negative Voltage Hot Swap Controllers in SOT-23 The LTC4251-1IS6 is a Hot Swap controller manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Package:** 6-Lead SOT-23  
- **Operating Voltage Range:** 2.9V to 15V  
- **Maximum Supply Voltage:** 18V (absolute max)  
- **Current Limit Accuracy:** ±5%  
- **Power Good Output:** Yes  
- **Fault Protection:** Overcurrent, undervoltage, and overtemperature  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- Designed for hot-swappable applications to safely insert and remove boards from live backplanes.  
- Provides inrush current control and fault protection.  
- Adjustable current limit and timer-based circuit breaker.  
- Includes a power-good (PG) output for system monitoring.  
- Low quiescent current (typically 300µA).  
- Supports N-channel MOSFET for power switching.  

For detailed electrical characteristics, refer to the official datasheet.

Partnumber Manufacturer Quantity Availability
LTC4251-1IS6,LTC42511IS6 LINTER 34 In Stock

Description and Introduction

Negative Voltage Hot Swap Controllers in SOT-23 The LTC4251-1IS6 is a hot swap controller manufactured by Linear Technology (now part of Analog Devices). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Linear Technology (LINTER)
- **Part Number:** LTC4251-1IS6
- **Package:** 6-Lead SOT-23
- **Operating Voltage Range:** 2.9V to 15V
- **Maximum Supply Voltage:** 20V (absolute max)
- **Quiescent Current:** 120µA (typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Gate Drive Voltage:** 6V (typical)
- **Fault Timer:** Adjustable (via external capacitor)
- **Current Limit Accuracy:** ±5% (typical)
- **Power Good Output:** Open-drain

### **Descriptions:**
The LTC4251-1IS6 is a negative voltage hot swap controller designed to safely insert and remove circuit boards from live backplanes. It provides inrush current control, short-circuit protection, and undervoltage/overvoltage monitoring. The device is commonly used in telecom, networking, and industrial applications.

### **Features:**
- **Inrush Current Control:** Limits surge current during board insertion.
- **Adjustable Fault Timer:** Configurable via an external capacitor.
- **Undervoltage Lockout (UVLO):** Ensures proper operating conditions.
- **Overvoltage Protection (OVP):** Protects against excessive supply voltages.
- **Power Good Indicator:** Open-drain output for system monitoring.
- **Low Quiescent Current:** 120µA typical for power efficiency.
- **Compact Package:** 6-Lead SOT-23 for space-constrained applications.

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

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