Overview
The LTC3636IUFD-1#PBF, produced by Analog Devices Inc., is a high-efficiency, dual-channel monolithic synchronous buck regulator. It utilizes a controlled on-time current mode architecture with phase lockable switching frequency. This regulator is designed to operate over a wide input voltage range of 3.1V to 20V, making it suitable for various applications including lithium-ion battery stacks and point-of-load power supplies from 12V or 5V inputs.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 3.1V to 20V |
| Output Voltage Range | 1.8V to 12V (LTC3636-1) |
| Output Current per Channel | 6A |
| Efficiency | Up to 95% |
| Switching Frequency | 500kHz to 4MHz |
| Package Type | 4mm × 5mm 28-Lead QFN |
| Operating Junction Temperature | -40°C to 125°C |
| AEC-Q100 Qualification | Qualified for Automotive Applications |
Key Features
- High efficiency up to 95%
- Die temperature monitor
- Adjustable switching frequency: 500kHz to 4MHz
- External frequency synchronization
- Current mode operation for excellent line and load transient response
- 0.6V reference allows low output voltages
- User selectable Burst Mode® operation or forced continuous operation
- Output voltage tracking and soft-start capability
- Short-circuit protected
- Overvoltage input and overtemperature protection
- Power good status outputs
Applications
- Distributed power systems
- Battery-powered instruments
- Point-of-load power supplies
Q & A
- What is the input voltage range of the LTC3636IUFD-1#PBF?
The input voltage range is from 3.1V to 20V. - What is the maximum output current per channel?
The maximum output current per channel is 6A. - What is the efficiency of the LTC3636IUFD-1#PBF?
The efficiency can be up to 95%. - What is the switching frequency range of the LTC3636IUFD-1#PBF?
The switching frequency can be adjusted from 500kHz to 4MHz. - Is the LTC3636IUFD-1#PBF qualified for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications. - What is the operating junction temperature range of the LTC3636IUFD-1#PBF?
The operating junction temperature range is -40°C to 125°C. - Does the LTC3636IUFD-1#PBF support external frequency synchronization?
Yes, it supports external frequency synchronization. - What protection features does the LTC3636IUFD-1#PBF have?
It includes overvoltage input, overtemperature, and short-circuit protection. - What package type is the LTC3636IUFD-1#PBF available in?
It is available in a 4mm × 5mm 28-Lead QFN package. - Does the LTC3636IUFD-1#PBF support Burst Mode® operation?
Yes, it supports user-selectable Burst Mode® operation or forced continuous operation.
