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Product Detailed Parameters
- Description：IC REG BUCK ADJ 120MA 10DFN
- 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)：3.2V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.78V
- Voltage - Output (Max)：42V
- Current - Output：120mA
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-DFN (3x2)
- Grade：-
- Qualification：-
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Overview
The LT8604JDDBM#TRMPBF is a synchronous step-down switching regulator from Analog Devices, operating within an input voltage range of 3.2 V to 42 V. It delivers a maximum output current of 120 mA with a fixed output voltage of 0.78 V. The device features a programmable switching frequency adjustable between 200 kHz and 2.2 MHz. Quiescent current is specified at 1.7 uA. It operates reliably across a temperature range of -40°C to +125°C and is housed in a 10-WFDFN Exposed Pad package.
Feature Summary
- Synchronous buck topology for high efficiency
- Wide 42V input voltage capability
- Programmable switching frequency up to 2.2 MHz
- Low quiescent current operation
Applications
- Industrial control systems
- Automotive electronics
- Telecommunications infrastructure
Procurement Notes
Verify the exact suffix TRMPBF indicates cut tape packaging rather than reel quantities. Confirm the JDDBM variant matches the required thermal pad configuration and pinout compatibility for your specific PCB layout. Ensure the 120mA output rating meets your load requirements before finalizing procurement orders.
Selection Notes
Select this component when a compact solution is needed for inputs up to 42V with moderate current demands. The wide frequency range allows optimization for size versus noise. Compare against the LT8604CAV if a different package or fixed output voltage is preferred. Ensure adequate thermal management for the DFN-EP-10 package under full load conditions.
Part Context
This part belongs to the LT8604 family of high-efficiency synchronous buck regulators designed for demanding applications. It shares core architecture with variants like the LT8604IDDBM but differs in specific electrical characteristics and packaging options. The series is engineered for robust performance in industrial and automotive environments requiring reliable power conversion.
Replacement Considerations
LT8604IDDBM#TRMPBF is a documented alternative within the same family. Verify if the ID variant offers different thermal or electrical specifications suitable for your design. Cross-reference pinouts and thermal pad requirements to ensure mechanical compatibility during substitution.
