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MIC5367-3.3YMT-TR
Microchip Technology
IC REG LINEAR 3.3V 150MA 6TMLF
80174 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA 6-TMLF® (1.6x1.6)
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5.0 / 5.0
- (247 Ratings)
MIC5367-3.3YMT-TR
Product Overview
1346534
DiGi Electronics Part Number
MIC5367-3.3YMT-TR-DGManufacturer
Microchip Technology
MIC5367-3.3YMT-TR
Description
IC REG LINEAR 3.3V 150MA 6TMLFInventory
80174 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA 6-TMLF® (1.6x1.6)
Quantity
Minimum 1
Minimum 1
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MIC5367-3.3YMT-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)
3.3V
Voltage - Output (Max)
-
Voltage Dropout (Max)
0.38V @ 150mA
Current - Output
150mA
Current - Quiescent (Iq)
39 µA
PSRR
65dB ~ 55dB (1kHz ~ 10kHz)
Control Features
Enable
Protection Features
Over Current, Over Temperature
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
6-UFDFN Exposed Pad
Supplier Device Package
6-TMLF® (1.6x1.6)
Base Product Number
MIC5367
Datasheet & Documents
HTML Datasheet
MIC5367-3.3YMT-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
1611-MIC5367-3.3YMT-CT
576-3725-2
MIC5367-3.3YMT TR
576-3725-1
1611-MIC5367-3.3YMT-DKRINACTIVE
MIC536733YMTTR
1611-MIC5367-3.3YMT-DKR
1611-MIC5367-3.3YMT-DKR-DG
576-3725-6
Standard Package
5,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
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Frequently Asked Questions (FAQ)
Can the MIC5367-3.3YMT-TR be used in battery-powered applications where quiescent current affects runtime, and how does it compare to similar LDOs like the MIC5301-3.3YMT-TR in low-power designs?
Yes, the MIC5367-3.3YMT-TR is suitable for battery-powered applications due to its low 39 µA quiescent current, which helps extend battery life. Compared to the MIC5301-3.3YMT-TR, which has a slightly lower Iq (~20 µA), the MIC5367 offers higher PSRR (65dB at 1kHz) and better transient performance, making it a better choice when noise sensitivity is a concern. Use the MIC5367-3.3YMT-TR when balancing low power with supply noise rejection; opt for MIC5301 only if minimizing Iq is the absolute priority and load regulation demands are relaxed.
What PCB layout practices should be followed when designing in the MIC5367-3.3YMT-TR to ensure stable operation and effective thermal management in space-constrained wearable devices?
For stable operation in compact designs, place a 1µF ceramic input capacitor and 1µF ceramic output capacitor as close as possible to the MIC5367-3.3YMT-TR pins, minimizing trace lengths to reduce parasitic inductance. Utilize the exposed thermal pad by connecting it to an internal ground plane with multiple vias to enhance heat dissipation—critical since the 6-TMLF® package has limited surface area. Avoid routing noisy signals under the device, and ensure at least 0.2mm solder mask defined pads to prevent tombstoning during reflow.
Is the MIC5367-3.3YMT-TR a reliable drop-in replacement for the LDLN015PU33R in a 3.3V, 100mA rail where dropout voltage and thermal performance are concerns?
The MIC5367-3.3YMT-TR can replace the LDLN015PU33R in most 3.3V/100mA applications, offering a lower maximum dropout voltage (380mV @ 150mA vs. ~600mV @ 150mA for LDLN015PU33R), improving efficiency in low-headroom designs. However, verify enable pin compatibility—MIC5367 requires an active-high enable, while LDLN015PU33R lacks this control. Also, the MIC5367-3.3YMT-TR has superior thermal performance due to its exposed pad versus the smaller package of the LDLN015PU33R, making it more reliable in enclosed environments if properly heatsunk.
How does the enable pin behavior of the MIC5367-3.3YMT-TR affect system-level power sequencing, and what should be done to prevent partial powering during voltage ramp-up?
The MIC5367-3.3YMT-TR features an active-high enable pin with a typical threshold of 1.2V, which can cause erratic turn-on if left floating or driven slowly during power-up. To ensure reliable power sequencing, tie the enable pin to VIN through a 100kΩ pull-up resistor or use a controlled GPIO from a microcontroller with defined rise time. In multi-rail systems, delay the enable signal until input voltage stabilizes—this avoids current surges and ensures the MIC5367-3.3YMT-TR starts cleanly only when sufficient headroom exists.
What are the risks of operating the MIC5367-3.3YMT-TR near its maximum 5.5V input voltage with a 3.3V output at full 150mA load, and how can thermal runaway be prevented in sealed enclosures?
Operating the MIC5367-3.3YMT-TR at 5.5V input with 3.3V/150mA output results in 330mW of power dissipation (2.2V × 150mA), which can raise junction temperature significantly—especially in sealed enclosures. With a typical junction-to-ambient thermal resistance (θJA) of ~250°C/W for the 6-TMLF® package on a small board, temperature rise could exceed 80°C, approaching thermal shutdown. To mitigate, reduce ambient temperature, add PCB copper heatsinking, or limit load current. Avoid continuous full-load operation in enclosed spaces unless thermal validation confirms safety margins under worst-case conditions.
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MIC5367-3.3YMT-TR CAD Models
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