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LM43603QPWPRQ1 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK ADJ 3A 16HTSSOP. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for LM43603QPWPRQ1
- Description：IC REG BUCK ADJ 3A 16HTSSOP
- Series：SIMPLE SWITCHER®
- Mfr：Texas Instruments
- 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)：3.5V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：1V
- Voltage - Output (Max)：28V
- Current - Output：3A
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-PowerTSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-HTSSOP
- Grade：Automotive
- Qualification：AEC-Q100
Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM43603QPWPRQ1
Voltage Regulators - DC DC Switching Regulators Overview
The LM43603QPWPRQ1 is an automotive-grade synchronous step-down DC-DC converter from Texas Instruments' SIMPLE SWITCHER family. It operates with an input voltage range of 3.5V to 36V and delivers a maximum output current of 3A. The device features adjustable output voltage from 1V to 28V and supports programmable switching frequencies between 200kHz and 2.2MHz. Packaged in a 16-pin HTSSOP, it includes AEC-Q100 qualification for reliability in harsh environments.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Synchronous buck topology ensures high efficiency across load ranges
- Programmable switching frequency allows optimization for size and performance
- Integrated protection mechanisms include thermal shutdown and current limiting
Voltage Regulators - DC DC Switching Regulators Applications
- Automotive infotainment systems
- Telematics control units
- Body electronics modules
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the complete part number including suffixes to ensure correct package and tape/reel configuration. Confirm AEC-Q100 grade requirements match your specific application environment. Check datasheet revisions for any recent design or assembly changes that may impact compatibility.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when designing for automotive applications requiring robust power management within a compact footprint. Ensure the chosen switching frequency aligns with external inductor and capacitor selections to maintain stability. Verify that the input voltage range covers all expected operating conditions including transients.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the LM4360x series of easy-to-use synchronous buck converters. The series offers flexibility through programmable features and minimal external component count. It is designed for applications demanding high efficiency and precise output regulation in space-constrained designs.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Consult official substitution guides for compatible alternatives within the same product family. Ensure pinout and electrical specifications match before replacing components in existing designs.
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