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S-19904BA-A8T1U7 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists ABLIC Inc.. Its product description is IC REG BUCK ADJ 1A HSNT-8A. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for S-19904BA-A8T1U7
- Description：IC REG BUCK ADJ 1A HSNT-8A
- Series：S-19904B
- Mfr：ABLIC Inc.
- 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)：2.5V
- Voltage - Output (Max)：12V
- Current - Output：1A
- Frequency - Switching：2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SMD, Flat Leads Exposed Pad
- Supplier Device Package：HSNT-8-A
- Grade：-
- Qualification：-
Voltage Regulators - DC DC Switching Regulators datasheet and documents for S-19904BA-A8T1U7
Voltage Regulators - DC DC Switching Regulators Overview
The S-19904BA-A8T1U7 is a synchronous rectification DC-DC controller manufactured by ABLIC Inc. It operates with an input voltage range of 3.0 V to 36 V and delivers a maximum output current of 1.5 A. The device supports adjustable output voltages from 0.8 V to 20 V via an external resistor divider. It integrates a built-in windowed watchdog timer for system reliability. The component functions within a temperature range of -40°C to +125°C and utilizes an HSNT-8 package.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Integrates a built-in windowed watchdog timer for enhanced system monitoring
- Supports synchronous rectification for improved efficiency
- Features high input voltage tolerance suitable for automotive applications
Voltage Regulators - DC DC Switching Regulators Applications
- Automotive infotainment systems
- ADAS sensor power supplies
- In-vehicle network modules
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the specific suffix against the official datasheet to confirm pinout and functional compatibility. Confirm RoHS compliance status through manufacturer documentation. Check for obsolescence notices or lifecycle changes directly from ABLIC before finalizing procurement plans.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a 1.5 A synchronous buck solution with integrated watchdog functionality is required. Ensure the application demands an input voltage up to 36 V and operation at temperatures reaching 125°C. Verify that the HSNT-8 package dimensions fit the target PCB layout constraints.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the S-19904 series, which provides low EMI synchronous rectification DC-DC controllers designed for automotive environments. The series emphasizes high reliability and compact design for in-vehicle electronic control units requiring stable power management under harsh conditions.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Consult the official ABLIC cross-reference list for verified substitutes. Do not assume pin-to-pin compatibility with other manufacturers' parts without explicit datasheet confirmation.
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