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Product Detailed Parameters
- Description：18V, 5A SYNCHRONOUS STEP-DOWN SW
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.8V
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：0V
- Voltage - Output (Max)：17.5V
- Current - Output：5A
- Frequency - Switching：300kHz ~ 6MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：15-PowerWFQFN
- Supplier Device Package：15-LFCSP (3x2)
- Grade：-
- Qualification：-
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Overview
The LT83205RUDB#TRMPBF is a synchronous step-down switching regulator from Analog Devices, housed in a 15-pin LFCSP package. It accepts an input voltage range of 2.8 V to 18 V and delivers up to 5 A of output current with a maximum output voltage of 17.5 V. The device features an adjustable switching frequency between 300 kHz and 6 MHz and operates at a quiescent supply current of 100 µA. It supports junction temperatures from -40°C to +150°C.
Feature Summary
- Integrated synchronous rectification for high efficiency
- Adjustable switching frequency up to 6 MHz
- Wide input voltage range capability
- Extended industrial temperature operation
Applications
- Industrial point-of-load regulation
- Battery-powered equipment power management
- Embedded system voltage conversion
Procurement Notes
Verify the specific suffix TRMPBF against official Analog Devices documentation to confirm tape-and-reel packaging and marking details. Confirm RoHS compliance status through the manufacturer datasheet. Ensure compatibility with your PCB footprint for the 15-pin LFCSP EP package before ordering.
Selection Notes
Select this component when a compact solution is required for converting 18V inputs down to lower voltages with high current capacity. The wide operating temperature range makes it suitable for harsh environments. Consider the 6 MHz max frequency for minimizing external passive component size.
Part Context
This part belongs to the LT8320x family of high-efficiency synchronous buck converters. These devices are designed for applications requiring small solution sizes and high performance. The RUDB suffix indicates the specific lead frame and package configuration used by Analog Devices for this series.
Replacement Considerations
LT83205RUDB#TRPBF is the standard reel version of this component. Verify if the #TRMPBF suffix offers any distinct marking or packaging variations compared to the standard tape and reel option.
