Dual Monolithic 1.4A Step-Down Switching Regulator The LT3508IFE#PBF is a switching regulator IC manufactured by Linear Technology (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** LINEAR (Linear Technology)
- **Part Number:** LT3508IFE#PBF
- **Package:** 28-Lead TSSOP
- **Type:** Monolithic Step-Down Switching Regulator
- **Input Voltage Range:** 4V to 36V
- **Output Voltage Range:** Adjustable from 0.8V to 16V
- **Output Current:** Up to 2.5A per channel (dual-channel)
- **Switching Frequency:** 575kHz (typical)
- **Efficiency:** Up to 94%
- **Operating Temperature Range:** -40°C to +125°C
- **Features:** Dual-output, current-mode control, internal soft-start, thermal shutdown
### **Descriptions:**
The LT3508IFE#PBF is a dual monolithic step-down switching regulator with two independent channels, capable of delivering up to 2.5A per channel. It operates from an input voltage range of 4V to 36V, making it suitable for a variety of applications, including automotive, industrial, and telecom systems. The device uses current-mode control for fast transient response and includes internal soft-start and thermal shutdown protection.
### **Features:**
- **Dual Independent Regulators:** Two 2.5A step-down channels in a single package.
- **Wide Input Voltage Range:** 4V to 36V operation.
- **Adjustable Output Voltage:** 0.8V to 16V per channel.
- **High Efficiency:** Up to 94% efficiency with synchronous rectification.
- **Fixed Frequency Operation:** 575kHz switching frequency for reduced noise.
- **Current-Mode Control:** Ensures fast transient response and stable operation.
- **Internal Soft-Start:** Reduces inrush current during startup.
- **Thermal Shutdown Protection:** Prevents damage from overheating.
- **Small Footprint:** 28-Lead TSSOP package for space-constrained applications.
This information is strictly based on the manufacturer's datasheet and technical documentation.
