Overview
The LTC3636EUFD#TRPBF, produced by Analog Devices Inc., is a high-efficiency, dual-channel monolithic synchronous buck regulator. It utilizes a controlled on-time current mode architecture, making it suitable for a wide range of power supply applications. The device is designed to operate with an input voltage range of 3.1V to 20V, which is ideal for lithium-ion battery stacks and point-of-load power supplies from 12V or 5V inputs. The LTC3636EUFD#TRPBF features phase lockable switching frequency, programmable from 500kHz to 4MHz, and can be synchronized to an external clock signal. This regulator is AEC-Q100 qualified, ensuring its reliability in automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.1 to 20 | V |
| Switching Frequency Range | 500 kHz to 4 MHz | Hz |
| Output Voltage Sense Range | Different for LTC3636 and LTC3636-1 models | V |
| Package Type | 28-Lead QFN (4mm × 5mm) | - |
| Junction Temperature Range | -40°C to 125°C | °C |
| Thermal Impedance (θJA) | 21°C/W | °C/W |
| Soft-Start Time | 1000 to 1500 µs | µs |
Key Features
- High efficiency, dual-channel monolithic synchronous buck regulator
- Controlled on-time current mode architecture with phase lockable switching frequency
- Programmable switching frequency from 500 kHz to 4 MHz
- Synchronization to an external clock signal
- Short-circuit protection, overvoltage input, and overtemperature protection
- Power Good status outputs
- Low profile 4mm × 5mm 28-Lead QFN package
- AEC-Q100 qualified for automotive applications
- Forced continuous mode and high efficiency Burst Mode operation
Applications
- Distributed Power Systems
- Battery-Powered Instruments
- Point-of-Load Power Supplies
- Automotive Applications (AEC-Q100 qualified)
Q & A
- What is the input voltage range of the LTC3636EUFD#TRPBF?
The input voltage range is from 3.1V to 20V.
- What is the switching frequency range of the LTC3636EUFD#TRPBF?
The switching frequency range is from 500 kHz to 4 MHz.
- What type of package does the LTC3636EUFD#TRPBF come in?
The device comes in a 28-Lead QFN package (4mm × 5mm).
- Is the LTC3636EUFD#TRPBF suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications.
- What protection features does the LTC3636EUFD#TRPBF have?
The device includes short-circuit protection, overvoltage input protection, and overtemperature protection.
- Can the LTC3636EUFD#TRPBF be synchronized to an external clock signal?
Yes, it can be synchronized to an external clock signal.
- What are the operating modes of the LTC3636EUFD#TRPBF?
The device can operate in forced continuous mode and high efficiency Burst Mode.
- What is the junction temperature range of the LTC3636EUFD#TRPBF?
The junction temperature range is from -40°C to 125°C.
- Does the LTC3636EUFD#TRPBF have Power Good status outputs?
Yes, it has Power Good status outputs.
- What is the thermal impedance (θJA) of the LTC3636EUFD#TRPBF package?
The thermal impedance (θJA) is 21°C/W.
