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MIC5305-3.0YD5-TR
Microchip Technology
IC REG LINEAR 3V 150MA TSOT23-5
3463 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA TSOT-23-5
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MIC5305-3.0YD5-TR
Product Overview
1337186
DiGi Electronics Part Number
MIC5305-3.0YD5-TR-DGManufacturer
Microchip Technology
MIC5305-3.0YD5-TR
Description
IC REG LINEAR 3V 150MA TSOT23-5Inventory
3463 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA TSOT-23-5
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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MIC5305-3.0YD5-TR Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Output Configuration
Positive
Output Type
Fixed
Number of Regulators
1
Voltage - Input (Max)
5.5V
Voltage - Output (Min/Fixed)
3V
Voltage - Output (Max)
-
Voltage Dropout (Max)
0.85V @ 150mA
Current - Output
150mA
Current - Quiescent (Iq)
150 µA
PSRR
85dB ~ 65dB (1kHz ~ 10kHz)
Control Features
Enable
Protection Features
Over Current, Over Temperature
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SOT-23-5 Thin, TSOT-23-5
Supplier Device Package
TSOT-23-5
Base Product Number
MIC5305
Datasheet & Documents
HTML Datasheet
MIC5305-3.0YD5-TR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
576-1297
576-1297-1
576-1297-2
MIC5305-3.0YD5
576-1297-6
MIC5305-3.0YD5 TR
MIC530530YD5TR
576-1297-DG
Standard Package
3,000
Alternative Parts
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MANUFACTURER
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DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Their quick response times make working with them a true pleasure.
Dec 02, 2025
Shipping was swift, and my purchase arrived well-packaged and on time, demonstrating their commitment to timely delivery.
Dec 02, 2025
The friendly and efficient support team makes all the difference.
Dec 02, 2025
Our experience with DiGi Electronics' after-sales support has been excellent. They follow up to ensure issues are fully resolved, demonstrating genuine care.
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Frequently Asked Questions (FAQ)
What are the key risks when designing in the MIC5305-3.0YD5-TR in battery-powered applications with tight voltage headroom?
A key risk when using the MIC5305-3.0YD5-TR in battery-powered systems is the dropout voltage—up to 0.85V at 150mA—which limits usable battery range. For example, with a 3.0V output, input must remain above 3.85V to maintain regulation, making it unsuitable for single-cell Li-ion applications nearing end-of-discharge. Designers should ensure sufficient headroom during load transients or consider lower-dropout alternatives like the TPS73130DBVR (dropout: 175mV at 100mA) if operating below 3.8V. Additionally, monitor quiescent current (150µA) impact on long-term battery life even when the system is in standby.
Can the MIC5305-3.0YD5-TR replace the MIC5365-3.0YD5-TR without PCB modifications, and what are the performance trade-offs?
Yes, the MIC5305-3.0YD5-TR can directly replace the MIC5365-3.0YD5-TR as both are pin-compatible in the TSOT-23-5 package. However, the MIC5365 offers lower dropout (0.4V max at 150mA) and lower quiescent current (70µA vs. 150µA), making it better suited for ultra-low-power or tighter headroom designs. Replacing MIC5365 with MIC5305 may increase power loss under heavy load or reduce battery runtime; verify thermal performance and transient response in your application, especially if operating near 150mA output current.
How does the PSRR of the MIC5305-3.0YD5-TR impact noise-sensitive analog circuits like ADCs or RF transceivers?
The MIC5305-3.0YD5-TR provides 85dB to 65dB PSRR from 1kHz to 10kHz, which is effective at filtering switching noise from upstream DC-DC converters in mixed-signal systems. However, PSRR degrades at higher frequencies (>100kHz), potentially allowing noise leakage into sensitive RF or high-resolution ADC circuits. To mitigate risk, pair the MIC5305-3.0YD5-TR with extra output filtering (e.g., ferrite bead and 1–10µF ceramic capacitor) near the load. Avoid using it as the sole post-regulator for GHz-range RF modules without additional noise isolation evaluation.
What thermal considerations should be addressed when operating the MIC5305-3.0YD5-TR at full 150mA load in a sealed enclosure?
At full 150mA load and a 5.5V input, the MIC5305-3.0YD5-TR dissipates approximately 375mW (2.5V × 0.15A), which can cause significant temperature rise in the TSOT-23-5 package due to high thermal resistance (~200°C/W in still air). In enclosed or high-ambient environments (e.g., >85°C), this may trigger thermal shutdown. Mitigate risk by minimizing copper pour only to functional traces, using thermal vias to inner ground planes, or derating output current to 100mA. Consider the LP3985IM5-3.0/NOPB for better thermal performance in space-constrained, high-load applications.
Is the enable pin on the MIC5305-3.0YD5-TR compatible with 1.8V logic microcontrollers, and what happens during startup timing?
The enable pin on the MIC5305-3.0YD5-TR is not 1.8V logic-safe—its typical enable threshold is 1.2V (min 0.8V), which can cause unintended activation with 1.8V logic due to insufficient noise margin. For reliable operation, use a level shifter or a pull-down resistor to ensure clean transitions. Also, note the startup time is ~50µs (typical); in fast-wakeup systems, coordinate enable timing with MCU power-rail sequencing to prevent glitches. If tight logic compatibility is required, consider the RT9193-30GB, which specifies better-defined enable thresholds for low-voltage logic interfacing.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MIC5305-3.0YD5-TR CAD Models
Microchip Technology MIC5305-3.0YD5-TR PCB symbols & footprints
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