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LT1129IQ#PBF from LINEAR

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LT1129IQ#PBF

Manufacturer: LINEAR

Micropower Low Dropout Regulators with Shutdown

Partnumber Manufacturer Quantity Availability
LT1129IQ#PBF,LT1129IQPBF LINEAR 280 In Stock

Description and Introduction

Micropower Low Dropout Regulators with Shutdown The LT1129IQ#PBF is a low dropout (LDO) linear regulator manufactured by **Linear Technology (now part of Analog Devices)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed (3.3V, 5V, and other variants available) or adjustable (1.24V to 20V).
- **Output Current:** 700mA (guaranteed).
- **Dropout Voltage:** 300mV (typical at full load).
- **Input Voltage Range:** Up to 30V.
- **Line Regulation:** 0.0005%/V (typical).
- **Load Regulation:** 0.015% (typical).
- **Quiescent Current:** 1.1mA (typical).
- **Operating Temperature Range:** -40°C to +125°C.
- **Package:** 5-Lead DD-Pak (TO-263) or other variants.
- **Protection Features:** Thermal shutdown, current limit, and reverse-battery protection.

### **Descriptions:**
- The LT1129 is a high-performance LDO regulator designed for applications requiring low dropout voltage and high output current.
- It provides stable output with low noise and high PSRR (Power Supply Rejection Ratio).
- Suitable for battery-powered systems, industrial, and automotive applications.

### **Features:**
- **Low Dropout Voltage:** 300mV at full load.
- **High Output Current:** Up to 700mA.
- **Low Quiescent Current:** 1.1mA (typical).
- **Wide Input Voltage Range:** Up to 30V.
- **Adjustable or Fixed Output Voltage Options.**
- **Thermal Shutdown & Current Limiting Protection.**
- **Reverse-Battery Protection.**
- **Stable with Low-ESR Capacitors.**
- **Available in Surface-Mount Packages (DD-Pak/TO-263).**

This regulator is commonly used in power management for portable devices, automotive systems, and industrial equipment.

Application Scenarios & Design Considerations

Micropower Low Dropout Regulators with Shutdown

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For immediate assistance, call us at +86 533 2716050 or email [email protected]

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