5A, 8MHz, 4-Phase Synchronous Step-Up DC/DC Converter The LTC3425EUH#PBF is a synchronous boost converter 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:** LTC3425EUH#PBF
- **Type:** Synchronous Boost Converter
- **Input Voltage Range:** 0.5V to 5V
- **Output Voltage Range:** Up to 5.25V
- **Output Current:** Up to 1A (dependent on conditions)
- **Switching Frequency:** 1MHz (typical)
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 16-Lead QFN (3mm × 3mm)
- **Features:**
- True Output Disconnect
- No Schottky Diode Required
- Low Quiescent Current (20µA typical)
- Soft-Start and Short-Circuit Protection
- Automatic Burst Mode® Operation for Light Load Efficiency
### **Descriptions:**
- The LTC3425EUH#PBF is a high-efficiency, synchronous step-up DC/DC converter designed for low-input-voltage applications.
- It integrates two N-channel MOSFETs, eliminating the need for an external Schottky diode.
- The device provides a regulated output voltage from a single-cell or multi-cell battery input.
- It includes a true output disconnect feature, allowing the output to be completely isolated from the input when disabled.
### **Features:**
1. **Synchronous Rectification:** Improves efficiency by reducing power loss.
2. **Wide Input Voltage Range:** Operates from 0.5V to 5V, suitable for single-cell alkaline/NiMH applications.
3. **Fixed Frequency Operation:** 1MHz switching frequency minimizes external component size.
4. **Burst Mode® Operation:** Enhances light-load efficiency by reducing switching losses.
5. **Low Quiescent Current:** 20µA typical, extending battery life.
6. **Soft-Start:** Prevents inrush current at startup.
7. **Short-Circuit Protection:** Safeguards the device under fault conditions.
8. **Compact QFN Package:** 3mm × 3mm footprint for space-constrained designs.
This information is strictly based on the manufacturer's datasheet and technical documentation.
