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NCP553SQ18T1
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Product Detailed Parameters
- Description：IC REG LINEAR 1.8V 80MA SC-82AB
- Series：NOCAP™
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：12V
- Voltage - Output (Min/Fixed)：1.8V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：1.6V @ 80mA
- Current - Output：80mA
- Current - Quiescent (Iq)：1 µA
- Current - Supply (Max)：6 µA
- PSRR：-
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：SC-82A, SOT-343
- Supplier Device Package：SC-82AB
- Grade：-
- Qualification：-
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Buying Guide
onsemi NCP553SQ18T1 is selected in Voltage Regulators - Linear, Low Drop Out (LDO) Regulators category when protection behavior and transient response must be validated under realistic load steps. Key specs include Description (IC REG LINEAR 1.8V 80MA SC-82AB), Temperature (-40°C ~ 85°C), Package/case (SC-82A, SOT-343), Mounting (Surface Mount), and Packaging (Tape & Reel (TR), Cut Tape (CT), Bulk).
Selection Notes
- For NCP553SQ18T1, make sure the output type (Fixed) matches your interface requirements and levels.
- Validate the operating temperature range (-40°C ~ 85°C) for your environment and margin.
- Make sure Number of Regulators (1) aligns with your design targets and verification plan.
Alternates & Substitutions
- For NCP553SQ18T1, the strongest substitutes usually preserve input/output limits and topology for the same operating role.
- For NCP553SQ18T1 in Voltage Regulators - Linear, Low Drop Out (LDO) Regulators designs, a practical second source is usually the option that changes the fewest assumptions in layout, firmware, or mating hardware (key constraints: package SC-82A, SOT-343, interface Fixed).
- Confirm the physical match (package/case SC-82A, SOT-343, supplier package SC-82AB, mounting Surface Mount) and the operating corners (temperature -40°C ~ 85°C) so the substitution is not a hidden redesign.
- When the alternate is not fully identical, document the main trade-off in plain terms so engineering and purchasing stay aligned.
FAQ
What details help you quote NCP553SQ18T1 quickly?
Share the part number (NCP553SQ18T1), quantity, target delivery date, and any packaging or documentation requirements.
What Current - Output is listed for NCP553SQ18T1?
80mA
Which Voltage - Input (Max) is specified for NCP553SQ18T1?
12V
Is NCP553SQ18T1 surface-mount or through-hole?
Surface Mount
Application Scenarios
In many Voltage Regulators - Linear, Low Drop Out (LDO) Regulators builds, onsemi NCP553SQ18T1 is reviewed for measurable behavior on the board, realistic validation effort, and long-term supply continuity. They frequently integrate protections such as OCP/OVP/UVLO/OTP and telemetry features that simplify system monitoring and compliance. Good power design here improves uptime, reduces field returns, and enables repeatable bring-up across manufacturing variance. LDO selection usually focuses on dropout, PSRR versus frequency, output noise, and stability with the chosen output capacitor ESR. That context is why these parts show up in the following real-world scenarios. In PoE-powered equipment, robust power management ensures stable operation under cable loss, thermal constraints, and varying supply headroom. In instrumentation, clean rails reduce measurement noise so converter and analog front-end accuracy is not limited by supply ripple. As a result, qualification is easier to repeat and less sensitive to lot-to-lot variation or fixture drift.
Compatibility Advice
- In onsemi NCP553SQ18T1 integration, confirm startup and enable sequencing behavior so sensitive loads do not see undefined rail states before release to production.
Project Fit
- Onsemi NCP553SQ18T1 is harder to defend in Voltage Regulators - Linear, Low Drop Out (LDO) Regulators when layout and capacitor choices vary and stability cannot be guaranteed because integration risk stays high when key margins cannot be measured.
- Onsemi NCP553SQ18T1 tends to suit Voltage Regulators - Linear, Low Drop Out (LDO) Regulators builds when the design needs repeatable PSRR and noise performance in production rather than best-case lab conditions.
