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RP109L091D-TR
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Product Detailed Parameters
- Description：IC REG LIN 0.9V 150MA DFN10104
- Series：RP109x
- Mfr：Nisshinbo Micro Devices Inc.
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.25V
- Voltage - Output (Min/Fixed)：0.9V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.91V @ 150mA
- Current - Output：150mA
- Current - Quiescent (Iq)：70 µA
- PSRR：75dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：4-XDFN Exposed Pad
- Supplier Device Package：DFN1010-4
- Grade：-
- Qualification：-
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Buying Guide
Nisshinbo Micro Devices Inc. RP109L091D-TR 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 LIN 0.9V 150MA DFN10104), Temperature (-40°C ~ 85°C (TA)), Package/case (4-XDFN Exposed Pad), Mounting (Surface Mount), and Packaging (Tape & Reel (TR)).
Selection Notes
- For RP109L091D-TR, double-check the mounting type (Surface Mount) for your intended installation method.
- Confirm the supply current (0.91V @ 150mA) is acceptable for standby and active operation.
- Confirm the operating frequency (75dB (1kHz)) and any related tolerance requirements.
- Verify the operating temperature range (-40°C ~ 85°C (TA)) and derate as needed in your application.
Alternates & Substitutions
- For RP109L091D-TR, the strongest substitutes usually preserve input/output limits and topology for the same operating role.
- For RP109L091D-TR in Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, the best alternate usually preserves board fit and the system-facing behavior your design already depends on (key constraints: package 4-XDFN Exposed Pad, interface Fixed).
- Confirm the physical match (package/case 4-XDFN Exposed Pad, supplier package DFN1010-4, mounting Surface Mount) and the operating corners (temperature -40°C ~ 85°C (TA)) so the substitution is not a hidden redesign.
- Use the original part to decide which differences are harmless trade-offs and which ones force a design or process change.
FAQ
Any tips for derating and validation for RP109L091D-TR?
Validate at worst-case temperature and load, confirm thermal headroom, and check protection and startup behavior with margin.
What operating frequency does RP109L091D-TR run at?
75dB (1kHz)
What operating temperature range does RP109L091D-TR support?
-40°C ~ 85°C (TA)
What Voltage - Input (Max) is listed for RP109L091D-TR?
5.25V
Application Scenarios
In many Voltage Regulators - Linear, Low Drop Out (LDO) Regulators builds, Nisshinbo Micro Devices Inc. RP109L091D-TR is reviewed for measurable behavior on the board, realistic validation effort, and long-term supply continuity. LDO selection usually focuses on dropout, PSRR versus frequency, output noise, and stability with the chosen output capacitor ESR. In practice, engineers often evaluate efficiency, thermal rise, transient response, EMI behavior, and fault handling to protect sensitive downstream circuits. They frequently integrate protections such as OCP/OVP/UVLO/OTP and telemetry features that simplify system monitoring and compliance. In instrumentation, clean rails reduce measurement noise so converter and analog front-end accuracy is not limited by supply ripple. In edge compute nodes, thermal headroom and EMI behavior often dominate board-level integration risk in compact airflow paths. When margins are explicit and measurable, stability tends to hold up better across real deployments.
Compatibility Advice
- In Nisshinbo Micro Devices Inc. RP109L091D-TR integration, in practice, verify dropout and transient headroom under worst-case load so rails do not collapse during load steps before freezing the BOM.
Project Fit
- Nisshinbo Micro Devices Inc. RP109L091D-TR is more likely to create avoidable rework in Voltage Regulators - Linear, Low Drop Out (LDO) Regulators projects when fault behavior and sequencing are not verified, increasing nuisance reset risk because the critical behavior cannot be rechecked later with the same wiring, loading, and pass/fail limits.
