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LMR51435FNDRRR is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is SYNCHRONOUS BUCK CONVERTER. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for LMR51435FNDRRR
- Description：SYNCHRONOUS BUCK CONVERTER
- Series：LMR514x5
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：28V
- Current - Output：3.5A
- Frequency - Switching：200kHz ~ 1.1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：12-WFDFN Exposed Pad
- Supplier Device Package：12-WSON (3x3)
- Grade：-
- Qualification：-
Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMR51435FNDRRR
Voltage Regulators - DC DC Switching Regulators Overview
The LMR51435FNDRRR is a synchronous buck converter from Texas Instruments, housed in a WSON-12 package. It supports an input voltage range of 4 V to 36 V and delivers up to 3.5 A output current. The device features a fixed switching frequency of 1.1 MHz and offers a maximum output voltage of 28 V. Quiescent current is specified at 25 uA during operation. It operates within a temperature range of -40°C to +150°C and includes shutdown functionality.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Integrated synchronous rectification for high efficiency
- Fixed 1.1 MHz switching frequency enables compact external component sizing
- Low quiescent current consumption reduces standby power loss
- Wide input voltage range accommodates various supply sources
Voltage Regulators - DC DC Switching Regulators Applications
- Industrial point-of-load regulation
- Embedded system power distribution
- Communication infrastructure bias supplies
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package and tape/reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to ordering. Cross-reference datasheet revisions to validate electrical characteristics match design constraints.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a compact solution is required for 36 V input systems needing up to 3.5 A. The fixed 1.1 MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Ensure thermal management strategies align with the WSON-12 package capabilities under expected load conditions.
Voltage Regulators - DC DC Switching Regulators Part Context
This device belongs to the LMR514xx family of synchronous buck converters. It shares architectural similarities with the LMR51450 but differs in output current capability. The family targets applications requiring efficient power conversion in space-constrained environments.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
LMR51450FNDRRR offers higher current capacity (5 A) with similar input/output specifications. LMR51435QDRQRQ1 provides automotive qualification for harsher environments.
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