I2C Controllable Buck Regulator in 3mm 脳 3mm DFN The LTC3447EDD#PBF is a product 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:** LTC3447EDD#PBF
- **Package:** DFN-10 (3mm x 3mm)
- **Input Voltage Range:** 2.5V to 5.5V
- **Output Voltage Range:** Adjustable (0.8V to 5V)
- **Output Current:** Up to 600mA (Buck), Up to 400mA (Boost)
- **Switching Frequency:** 2.25MHz (Typical)
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +125°C
- **Features:** Buck-Boost DC/DC Converter, Automatic Transition Between Buck and Boost Modes, Low Quiescent Current (30µA), Power Good Output, Soft-Start, Synchronizable
### **Descriptions:**
The LTC3447EDD#PBF is a high-efficiency, low-noise buck-boost DC/DC converter designed for applications requiring a regulated output voltage from an input voltage that can be above, below, or equal to the output voltage. It automatically transitions between buck and boost modes for seamless operation. The device is optimized for battery-powered applications where extended runtime is critical.
### **Features:**
- **Buck-Boost Operation:** Seamlessly transitions between buck and boost modes.
- **Wide Input Voltage Range:** 2.5V to 5.5V.
- **Adjustable Output Voltage:** 0.8V to 5V.
- **High Efficiency:** Up to 95%.
- **Low Quiescent Current:** 30µA in Burst Mode operation.
- **Fixed Frequency Operation:** 2.25MHz switching frequency.
- **Synchronizable:** Can be synchronized to an external clock.
- **Power Good Indicator:** Monitors output voltage status.
- **Soft-Start:** Reduces inrush current during startup.
- **Compact Package:** 10-Lead DFN (3mm x 3mm).
This information is based solely on the manufacturer's datasheet and technical documentation.
