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Product Detailed Parameters
- Description：IC REG LINEAR 2V 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)：2V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.7V @ 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-1111B20MC-NYFTFG is a positive voltage regulator from the S-1111/1121 Series, manufactured by ABLIC Inc. It provides a fixed output voltage of 2.0 V with an accuracy of ±1.0%. The device operates within an input voltage range of 2.0 V to 6.5 V and supports an output current of up to 150 mA. Key electrical parameters include a typical dropout voltage of 0.35 V at 100 mA, a ripple rejection ratio of 70 dB at 1.0 kHz, and a current consumption of 35 μA during operation. The component functions across an ambient temperature range of −40°C to +85°C.
Feature Summary
- Built-in low on-resistance P-channel MOS FET output transistor enables low dropout voltage performance.
- Integrated ON/OFF circuit allows for significant reduction in current consumption when disabled.
- Internal overcurrent protection circuit limits output current to prevent damage under fault conditions.
Applications
- Power supply for battery-powered devices
- Power supply for personal communication devices
- Power supply for home electric/electronic appliances
Procurement Notes
Verify the specific ordering suffix against the manufacturer's product name structure documentation to confirm pin configuration and environmental codes. Confirm that the selected variant matches the required ON/OFF logic type (positive or negative) for the target application design. Ensure compliance with the manufacturer's RoHS and halogen-free specifications if required by the end-product standards.
Selection Notes
Select this component based on the requirement for a fixed 2.0 V output with high accuracy. Consider the package power dissipation limits when designing for high load currents. Ensure the external output capacitor meets the minimum capacitance and ESR requirements to maintain stability and prevent oscillation during operation.
Part Context
This part belongs to the S-1111/1121 Series of high ripple-rejection low dropout CMOS voltage regulators developed by Seiko Instruments Inc. The series utilizes CMOS technology to achieve low current consumption and high output accuracy. The S-1111 and S-1121 variants differ primarily in their pin configurations while sharing similar electrical characteristics and functional features.
Replacement Considerations
S-1111B20MC-NYATFx
FAQ
What is the recommended output capacitor type for stable operation?
A tantalum capacitor with a capacitance of 2.2 μF or more is recommended to ensure stable operation due to its suitable Equivalent Series Resistance (ESR).
How does the ON/OFF pin function affect current consumption?
When the ON/OFF pin is set to the OFF level, the internal circuits stop operating, reducing current consumption significantly to approximately 0.1 μA typ.
