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Product Detailed Parameters
- Description：IC REG LINEAR 2.8V 150MA SOT23-5
- Series：S-1111
- Mfr：ABLIC Inc.
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：6.5V
- Voltage - Output (Min/Fixed)：2.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.3V @ 100mA
- Current - Output：150mA
- Current - Quiescent (Iq)：1 µA
- Current - Supply (Max)：65 µA
- PSRR：70dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
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Overview
The S-1111B28MC-NYNTFG is a fixed-output linear low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a fixed output voltage of 2.8V with a maximum output current capability of 150mA. The device features a maximum dropout voltage of 0.3V at the rated load and operates within an input voltage range up to 6.5V. It offers high power supply rejection ratio (PSRR) of 70dB at 1kHz. The component is housed in a compact SOT-23-5 package and supports operation over an extended temperature range from -40°C to +85°C.
Feature Summary
- Fixed 2.8V output voltage for stable power supply applications
- High ripple-rejection performance with 70dB PSRR at 1kHz
- Low dropout characteristic ensuring efficient regulation under varying loads
Applications
- Battery-powered portable electronic devices requiring stable voltage rails
- Embedded systems needing low-noise power regulation for sensitive analog circuits
- General-purpose linear regulation in consumer electronics
Procurement Notes
Verify the specific manufacturer source, as datasheets may list Seiko Instruments Inc. due to historical corporate structures. Confirm RoHS compliance status directly with the supplier. Check lifecycle status, as some distributors indicate this part may be obsolete or have limited availability. Ensure the SOT-23-5 package matches your PCB footprint requirements before ordering.
Selection Notes
Select this component when a fixed 2.8V output is required with moderate current demands up to 150mA. It is suitable for applications prioritizing low noise and high PSRR over ultra-low quiescent current. Consider the 6.5V maximum input voltage limit and the thermal dissipation capabilities of the SOT-23-5 package for your specific design constraints.
Part Context
This part belongs to the S-1111 series of linear regulators from ABLIC Inc., known for high precision and low power consumption. ABLIC is a member of the MinebeaMitsumi Group, specializing in analog semiconductor products. The S-1111 series typically targets applications requiring reliable voltage regulation in compact form factors.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult official ABLIC resources or authorized distributors for direct replacements or pin-compatible alternatives.
