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MIC29501-5.0WT
Microchip Technology
IC REG LINEAR 5V 5A TO220-5
2279 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 5A TO-220-5
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5.0 / 5.0
- (488 Ratings)
MIC29501-5.0WT
Product Overview
13032087
DiGi Electronics Part Number
MIC29501-5.0WT-DGManufacturer
Microchip Technology
MIC29501-5.0WT
Description
IC REG LINEAR 5V 5A TO220-5Inventory
2279 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 5A TO-220-5
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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MIC29501-5.0WT Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Packaging
Tube
Series
-
Packaging
Tube
Part Status
Active
Output Configuration
Positive
Output Type
Fixed
Number of Regulators
1
Voltage - Input (Max)
26V
Voltage - Output (Min/Fixed)
5V
Voltage - Output (Max)
-
Voltage Dropout (Max)
0.6V @ 5A
Current - Output
5A
PSRR
-
Control Features
Enable
Protection Features
Over Current, Over Temperature, Reverse Polarity, Transient Voltage
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-220-5
Supplier Device Package
TO-220-5
Base Product Number
MIC29501
Datasheet & Documents
HTML Datasheet
MIC29501-5.0WT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0060
Additional Information
Other Names
576-2239
MIC29501-5.0WT-ND
1611-MIC29501-5.0WT-ND
1611-MIC29501-5.0WTINACTIVE
MIC2950150WT
1611-MIC29501-5.0WT
Standard Package
50
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Top Support und schnelle Versendung – so stellt man sich perfekten Service vor.
de desembre 02, 2025
The durability and performance of their products are truly impressive.
de desembre 02, 2025
DiGi Electronics provides a perfect balance of cost efficiency and ease of shopping.
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Frequently Asked Questions (FAQ)
Can the MIC29501-5.0WT safely replace an LM338T in a 5V, 3A industrial power supply design, and what design changes are needed to ensure reliability?
Yes, the MIC29501-5.0WT can replace the LM338T for 5V, 3A applications, but several design adjustments are required. Unlike the adjustable LM338T, the MIC29501-5.0WT is a fixed 5V output regulator, eliminating the need for external resistors. However, ensure input voltage does not exceed 26V (vs. LM338T’s 40V max) and verify thermal performance: the MIC29501-5.0WT has a lower dropout voltage (0.6V @ 5A), reducing heat dissipation. Use a TO-220-5 heatsink with thermal resistance ≤ 5°C/W at 3A load. Also, confirm reverse polarity protection is not duplicated by external circuitry, as the MIC29501-5.0WT already includes it—adding series diodes may cause excessive voltage drop.
What are the key risks when using the MIC29501-5.0WT in high-vibration automotive environments, and how can they be mitigated?
The primary risk with the MIC29501-5.0WT in high-vibration environments (e.g., under-hood automotive systems) is mechanical stress on the TO-220-5 leads and solder joints due to its through-hole mounting. Unlike surface-mount regulators, it lacks inherent vibration resistance. To mitigate, use a robust PCB layout with reinforced mounting holes, apply strain relief to leads, and secure the package with RTV silicone or epoxy. Additionally, ensure the heatsink is mechanically anchored and consider conformal coating to prevent microcracks. The MIC29501-5.0WT’s operating range (-40°C to 125°C) is suitable, but long-term reliability depends on mechanical stabilization.
How does the transient voltage protection in the MIC29501-5.0WT compare to the LT1083CP, and is it sufficient for 24V industrial bus applications?
The MIC29501-5.0WT includes built-in transient voltage protection, which is advantageous over the LT1083CP that requires external TVS diodes for robust transient handling. However, in 24V industrial bus environments (e.g., PLC power supplies), input transients can exceed 30V during load dumps or inductive switching. While the MIC29501-5.0WT tolerates up to 26V continuous input, sustained or repetitive transients near this limit risk degradation. For safety, add an external 24V TVS diode (e.g., SMAJ24A) at the input to clamp transients below 26V. This layered protection ensures the MIC29501-5.0WT operates within safe limits and outperforms the LT1083CP in integrated fault resilience.
Can I parallel two MIC29501-5.0WT devices to increase output current beyond 5A, and what are the stability risks?
Paralleling MIC29501-5.0WT units to exceed 5A is not recommended due to lack of current-sharing features like remote sensing or adjustable feedback. Mismatched output impedance and thermal gradients cause uneven current distribution, leading to thermal runaway in one device. Even with matched heatsinking, the fixed internal reference and absence of ballast resistors make stable sharing unreliable above 6–7A total. Instead, consider a switching regulator (e.g., MCP16311) for higher currents. If paralleling is unavoidable, use 0.1Ω current-sharing resistors on each output and ensure identical trace lengths and thermal coupling—but expect reduced efficiency and increased board complexity.
What happens if the enable pin on the MIC29501-5.0WT is left floating, and how should it be handled in a battery-powered IoT device?
Leaving the enable pin floating on the MIC29501-5.0WT can cause unpredictable behavior—partial turn-on, oscillation, or increased quiescent current—due to undefined logic state. In battery-powered IoT devices, this risks premature drain. Always tie the enable pin to VIN (for always-on operation) or to a microcontroller GPIO with a 10kΩ pull-down resistor to ensure a defined off state when disabled. When driven low, the MIC29501-5.0WT enters shutdown mode, reducing quiescent current significantly. This control is critical for power budgeting in sleep-mode applications, and proper enable management prevents leakage that could shorten battery life by 10–20% over time.
Quality Assurance (QC)
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MIC29501-5.0WT CAD Models
Microchip Technology MIC29501-5.0WT PCB symbols & footprints
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