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MIC2800-G1JJYML-TR
Microchip Technology
IC REG TRPL BUCK/LNR 2MHZ 16QFN
5215 Pcs New Original In Stock
PMIC - Voltage Regulators - Linear Switching 3 Output Step-Down (Buck) (1), Linear (LDO) (2) 2MHz 16-QFN (3x3)
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5.0 / 5.0
- (160 Ratings)
MIC2800-G1JJYML-TR
Product Overview
1381651
DiGi Electronics Part Number
MIC2800-G1JJYML-TR-DGManufacturer
Microchip Technology
MIC2800-G1JJYML-TR
Description
IC REG TRPL BUCK/LNR 2MHZ 16QFNInventory
5215 Pcs New Original In Stock
PMIC - Voltage Regulators - Linear Switching 3 Output Step-Down (Buck) (1), Linear (LDO) (2) 2MHz 16-QFN (3x3)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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MIC2800-G1JJYML-TR Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - Linear + Switching
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Topology
Step-Down (Buck) (1), Linear (LDO) (2)
Number of Outputs
3
Frequency - Switching
2MHz
Voltage/Current - Output 1
1.8V, 600mA
Voltage/Current - Output 2
1.25V, 300mA
Voltage/Current - Output 3
2.5V, 300mA
w/LED Driver
No
w/Supervisor
No
w/Sequencer
No
Voltage - Supply
2.7V ~ 5.5V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-VFQFN
Supplier Device Package
16-QFN (3x3)
Base Product Number
MIC2800
Datasheet & Documents
HTML Datasheet
MIC2800-G1JJYML-TR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
MIC2800-G1JJYML-TRDKR
MIC2800-G1JJYML-TRCT
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
My orders from DiGi Electronics arrived earlier than expected, which shows their advanced logistics network.
грудня 02, 2025
Orders are dispatched promptly, ensuring I receive my items quickly.
грудня 02, 2025
DiGi Electronics' environmentally friendly packaging is commendable, and their shipping is swift.
грудня 02, 2025
I appreciate the quick response from the support team and fast delivery.
грудня 02, 2025
I value their efficient shipping workflows that contribute to our business success.
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Frequently Asked Questions (FAQ)
What are the key design risks when using the MIC2800-G1JJYML-TR in a compact PCB layout with high-density components, and how can I mitigate them?
The MIC2800-G1JJYML-TR's 2MHz switching frequency enables smaller inductors and capacitors, but high-frequency operation increases sensitivity to parasitic inductance and capacitance in the layout. Poor grounding or long feedback traces can cause output instability or EMI issues. To mitigate, use a solid ground plane, place input/output capacitors within 2mm of the IC pins, route SW nodes as short and wide as possible, and keep analog feedback paths away from noisy switching nodes. Thermal vias under the exposed pad are critical for heat dissipation in tight layouts.
Can I replace the MIC2800-G1JJYML-TR with a TPS65261 or similar triple-output PMIC in an existing design without major firmware or layout changes?
While the TPS65261 offers three buck outputs (unlike the MIC2800-G1JJYML-TR’s two LDOs and one buck), direct replacement is not recommended due to fundamental topology differences. The MIC2800-G1JJYML-TR provides low-noise LDO outputs (1.25V/300mA and 2.5V/300mA) ideal for analog/RF circuits, whereas the TPS65261 uses all switching regulators, which may introduce ripple-sensitive loads. Additionally, enable logic, sequencing, and feedback networks differ—requiring layout rework and potential firmware updates for enable/disable control. Evaluate noise tolerance of downstream circuits before considering such a swap.
How does the MIC2800-G1JJYML-TR handle startup sequencing, and what happens if my system requires strict power-up order between the 1.8V buck and 1.25V LDO outputs?
The MIC2800-G1JJYML-TR does not include built-in sequencing logic—all three outputs enable simultaneously when EN is asserted. If your application (e.g., FPGA or ASIC) requires the 1.25V core rail to power up before the 1.8V I/O rail, you must implement external sequencing using a supervisor IC or RC-delay circuit on the enable pins. Alternatively, use a PMIC with integrated sequencing like the MAX77650. Relying on internal soft-start alone may not guarantee sufficient delay, risking latch-up or improper initialization.
Is the MIC2800-G1JJYML-TR suitable for automotive or industrial environments given its -40°C to 125°C rating, and what derating practices should I follow for long-term reliability?
Although the MIC2800-G1JJYML-TR is rated for -40°C to 125°C, sustained operation near thermal limits reduces long-term reliability. In automotive under-hood or industrial motor-drive applications, derate output currents by at least 20% above 85°C ambient. Ensure adequate copper area on the PCB (≥4cm² recommended) and avoid enclosing the device in poorly ventilated compartments. Monitor junction temperature using thermal resistance (θJA ≈ 45°C/W); exceeding 110°C TJ continuously may accelerate electromigration and shorten MTBF, especially under load transients.
What precautions should I take when designing with the MIC2800-G1JJYML-TR’s LDO outputs if they’re powering noise-sensitive analog circuitry like ADCs or PLLs?
The MIC2800-G1JJYML-TR’s LDOs (1.25V and 2.5V) offer good PSRR but are still susceptible to input noise coupling and load transients. For ADC/PLL applications, add a 10µF ceramic capacitor plus a 1Ω–10Ω series resistor (ferrite bead alternative) at each LDO output to form a low-pass filter. Keep LDO input traces separate from the buck switching node to prevent high-frequency coupling. Also, avoid placing digital return currents beneath LDO output traces. If ultra-low noise is required (<10µV RMS), consider post-regulating with a dedicated ultra-low-noise LDO like the TPS7A4700 after the MIC2800-G1JJYML-TR.
Quality Assurance (QC)
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MIC2800-G1JJYML-TR CAD Models
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