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MIC33050-4YHL-TR
Microchip Technology
IC REG BUCK 1.2V 600MA 12MLF
2166 Pcs New Original In Stock
Buck Switching Regulator IC Positive Fixed 1.2V 1 Output 600mA 12-VFDFN Exposed Pad, 12-MLF®
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*Quantity
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Minimum 1
5.0 / 5.0
- (315 Ratings)
MIC33050-4YHL-TR
Product Overview
1362290
DiGi Electronics Part Number
MIC33050-4YHL-TR-DGManufacturer
Microchip Technology
MIC33050-4YHL-TR
Description
IC REG BUCK 1.2V 600MA 12MLFInventory
2166 Pcs New Original In Stock
Buck Switching Regulator IC Positive Fixed 1.2V 1 Output 600mA 12-VFDFN Exposed Pad, 12-MLF®
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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MIC33050-4YHL-TR Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - DC DC Switching Regulators
Packaging
Cut Tape (CT) & Digi-Reel®
Series
HyperLight Load®
Product Status
Active
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Fixed
Number of Outputs
1
Voltage - Input (Min)
2.7V
Voltage - Input (Max)
5.5V
Voltage - Output (Min/Fixed)
1.2V
Voltage - Output (Max)
-
Current - Output
600mA
Frequency - Switching
4MHz
Synchronous Rectifier
Yes
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
12-VFDFN Exposed Pad, 12-MLF®
Supplier Device Package
12-MLF™ (3x3)
Base Product Number
MIC33050
Datasheet & Documents
HTML Datasheet
MIC33050-4YHL-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-MIC33050-4YHL-CT
1611-MIC33050-4YHL-DKR
1611-MIC33050-4YHL-DKR-DG
1611-MIC33050-4YHL-CTINACTIVE
1611-MIC33050-4YHL-CT-DG
576-3044-6
MIC33050-4YHL TR
1611-MIC33050-4YHL-DKRINACTIVE
576-3044-1
576-3044-2
MIC330504YHLTR
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Ich habe bei DiGi Electronics bestellt und war begeistert von der sicheren Verpackung, die meine Teile perfekt geschützt hat.
de desembre 02, 2025
DiGi Electronicsの発送はいつも時間通りで信頼できます。
de desembre 02, 2025
Their logistical operations are consistently smooth, even during high-volume periods.
de desembre 02, 2025
Navigating through the website was intuitive, even for first-time users.
de desembre 02, 2025
Their support team is responsive, courteous, and very knowledgeable.
de desembre 02, 2025
Their affordability and user experience are unmatched in the market.
de desembre 02, 2025
The delivery was incredibly fast, I received my order within just a couple of days, which exceeded my expectations.
de desembre 02, 2025
Efficient and rapid delivery support makes them stand out.
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Frequently Asked Questions (FAQ)
What are the key design-in considerations for the MIC33050-4YHL-TR in space-constrained high-frequency applications?
When designing in the MIC33050-4YHL-TR for space-constrained, high-frequency applications, prioritize minimizing trace lengths—especially on the SW node and output LC filter—to reduce EMI and parasitic inductance. The 4MHz switching frequency enables small external components (e.g., 1–2.2μH inductors and 10–22μF ceramic capacitors), but board layout is critical due to fast switching edges. Use a ground plane under the 12-MLF® package for thermal and electrical performance, and ensure proper thermal vias to manage power dissipation under full 600mA loads. Also verify that input capacitance (≥10μF) is placed close to VIN and PGND pins to prevent voltage droop during load transients.
Can the MIC33050-4YHL-TR replace the TPS62260DBVR in low-noise portable designs, and what are the trade-offs?
Yes, the MIC33050-4YHL-TR can replace the TPS62260DBVR in portable applications requiring a fixed 1.2V output at up to 600mA, but key trade-offs exist. The MIC33050 operates at 4MHz (vs. 2.25MHz for the TPS62260), allowing smaller output filters but increasing switching losses at light loads. However, the MIC33050's HyperLight Load® technology maintains high efficiency down to microampere loads, making it better suited for battery-powered IoT and wearable devices. Additionally, the MIC33050 offers a tighter output tolerance and operates at higher ambient temperatures (125°C TJ), improving reliability in compact designs without forced cooling.
How does the MIC33050-4YHL-TR perform under dynamic load transients in FPGA or MCU core power applications?
The MIC33050-4YHL-TR delivers strong transient response for FPGA or MCU core rails due to its 4MHz switching frequency and small ceramic output capacitors (typically 10–22μF). However, fast load steps (e.g., 100mA to 600mA at 100A/μs) can cause momentary droop below 1.1V if output capacitance is undersized. To mitigate this, use at least 22μF of low-ESR X5R/X7R ceramic capacitance near the load, place VOS bypass capacitor (10nF) close to the FB pin if available in adjustable version (not applicable for fixed 1.2V variant), and ensure low-impedance power planes. Monitor junction temperature during burst-mode operation to avoid thermal throttling in sealed enclosures.
What thermal risks should be considered when operating the MIC33050-4YHL-TR at full 600mA output current?
Operating the MIC33050-4YHL-TR at full 600mA continuous output poses thermal risks in high-ambient or sealed environments. With typical 200mV dropout and 4MHz switching, power dissipation can exceed 300mW, leading to >50°C temperature rise on a minimal PCB. To mitigate thermal stress, use the exposed pad (DSBGA-style) connected to a solid ground plane with ≥4 thermal vias (0.3mm diameter). Avoid placing heat-sensitive components nearby, and evaluate derating curves—consider reducing max load to 500mA if ambient exceeds 85°C. The -40°C to 125°C operating range supports harsh environments, but prolonged operation near TJ(max) reduces long-term reliability.
Is the MIC33050-4YHL-TR susceptible to instability when used with low-ESR ceramic capacitors, and how to ensure loop stability?
The MIC33050-4YHL-TR is designed to be stable with low-ESR ceramic output capacitors (10μF or higher), eliminating the need for additional ESR for damping. However, using excessively low capacitance (<6.8μF) or high-capacitance values with voltage derating (e.g., 10μF at near-rated voltage) can shift phase margin and risk oscillation. To ensure loop stability, use X5R/X7R dielectrics with sufficient voltage headroom (e.g., 6.3V rating for 1.2V rail), place output capacitor within 3mm of the VOUT pin, and avoid long feedback traces. The internal compensation of the MIC33050-4YHL-TR simplifies design, but always verify stability under worst-case conditions (low temperature, aged capacitors, max load) with a current probe and AC injection if possible.
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.
MIC33050-4YHL-TR CAD Models
Microchip Technology MIC33050-4YHL-TR PCB symbols & footprints
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