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Monolithic Power Systems Inc. MP2207DN-LF-P
- Part No.:
- MP2207DN-LF-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Datasheet:
-
MP2207DN-LF-P.pdf
- Description:
- IC REG BUCK ADJ 4A 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,001
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Product details
Overview
MP2207DN-LF-P from Monolithic Power Systems is a 1.3MHz fixed-frequency synchronous step-down DC/DC converter supporting 3V–16V input, delivering up to 4A at adjustable output (0.8V to 0.9×VIN), with integrated 80mΩ high- and low-side MOSFETs, internal soft-start, and frequency synchronization capability-used in FPGA core supplies and telecom point-of-load regulation.
For engineers reviewing the MP2207DN-LF-P datasheet, MP2207DN-LF-P pinout, MP2207DN-LF-P application, or MP2207DN-LF-P equivalent, key selection criteria include input voltage range (3–16V), output current capability (4A), thermal shutdown threshold (150°C), hiccup-mode short-circuit protection, and SOIC8E package compatibility with exposed pad for thermal management.
Technical Context
The MP2207DN-LF-P employs peak-current-mode PWM control with internal Type II compensation, enabling stable operation with all-ceramic output capacitors and small inductors. Its 1.3MHz fixed switching frequency supports compact magnetics while maintaining >95% efficiency at full load across 3.3V–12V input conditions.
It integrates dual 80mΩ power switches, a 0.8V reference error amplifier, and a dual-function EN/SYNC pin that accepts 1–2MHz external clocks for synchronization or logic-level enable/disable control with 0.4V/1.6V thresholds. Bootstrap circuitry enables high-side N-channel MOSFET drive without external charge pumps.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3V to 16V - supports wide industrial and telecom input rails including 5V, 12V, and 15V bus systems. |
| Output Current | Up to 4A - sufficient for FPGA I/O banks, ASIC cores, and multi-rail embedded processors. |
| Switching Frequency | 1.3MHz (typ) - enables use of sub-1µH inductors and reduces output filter size. |
| Feedback Reference | 0.800V ±20mV - sets precise output voltage via external resistor divider; supports 0.8V–14.4V output range. |
| High-Side RDS(on) | 80mΩ - minimizes conduction loss at 4A, contributing to >95% peak efficiency. |
| Thermal Shutdown | 150°C with 20°C hysteresis - protects die during overload or poor PCB thermal design; auto-recovery in hiccup mode. |
| Soft-Start Time | 120µs - prevents inrush current during power-up; compatible with pre-biased output startup. |
Pinout & Package
MP2207DN-LF-P uses the SOIC8E package (8-pin small-outline integrated circuit with exposed thermal pad), measuring 5.0mm × 6.2mm × 1.7mm, with the exposed pad electrically connected to GND for enhanced thermal dissipation (θJA = 50°C/W, θJC = 10°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (Pin 3, 4) | Power Input | Connects to 3–16V supply; requires local 47µF ceramic decoupling capacitor to suppress switching noise. |
| GND (Pin 2, 9) | Ground Reference | Low-impedance return path for IN, SW, FB, and VCC; must be tied to exposed pad and large copper pour. |
| SW (Pin 6, 7) | Switch Node | Drives external inductor; connects internally to both MOSFETs; high dv/dt node requiring short, shielded routing. |
| VCC (Pin 5) | Bias Supply | 3–6V auxiliary rail powering control logic and gate drivers; needs 1µF ceramic decoupling near pin. |
| FB (Pin 1) | Feedback Input | Senses output voltage via resistive divider; referenced to internal 0.8V bandgap; sensitive to noise. |
| EN/SYNC (Pin 8) | Enable & Sync | Logic-level enable (0.4V/1.6V thresholds) or 1–2MHz clock input for EMI reduction and multi-rail synchronization. |
| BS (Pin 4) | Bootstrap Supply | Connects to SW via 0.1µF ceramic capacitor; provides floating gate drive voltage for high-side MOSFET. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 80mΩ MOSFETs | Eliminates need for external Schottky diode and reduces BOM count while enabling >95% efficiency at 4A. |
| All-ceramic capacitor support | Stable operation with X5R/X7R MLCCs only-no electrolytic required-reducing footprint and improving reliability. |
| Hiccup-mode short-circuit protection | Shuts down on sustained overload, discharges soft-start capacitor, then retries-prevents thermal runaway. |
| Internal soft-start (120µs) | Controls output ramp rate to avoid inrush into downstream capacitance; supports pre-biased output startup. |
| Frequency synchronization input | Accepts 1–2MHz external clock on EN/SYNC pin-enables deterministic EMI placement and multi-phase coordination. |
Applications
| FPGA Core Supply | Telecom Point-of-Load |
|---|---|
Use Scenario: Powers 1.2V core rail of Xilinx Artix-7 FPGA under dynamic load transients up to 3.5A. IC Role / Device Role / Timing Role: Primary synchronous buck regulator delivering tightly regulated, low-noise DC voltage with fast transient response. Use Value: Internal compensation and 1.3MHz switching enable <10µs load-step recovery with <20mV undershoot using 47µF ceramic output cap. | Use Scenario: Generates 3.3V/4A supply for Ethernet PHY and packet processor in 1RU network switch. IC Role / Device Role / Timing Role: High-efficiency intermediate bus converter operating from 12V backplane with EMI-controlled switching. Use Value: Synchronization capability aligns switching edges with system clock domain, reducing conducted EMI peaks by 10–15dB. |
| ASIC I/O Voltage Rail | LCD TV Logic Board |
Use Scenario: Supplies 1.8V/4A to ARM-based SoC I/O interface in industrial controller with ambient temperature up to +85°C. IC Role / Device Role / Timing Role: Thermally robust buck converter leveraging SOIC8E exposed pad for direct heatsink attachment. Use Value: 150°C thermal shutdown with 20°C hysteresis ensures safe operation under sustained 4A load without derating. | Use Scenario: Provides 5V/4A main logic supply for LCD TV main board with variable load from 0.2A (standby) to 4A (full brightness). IC Role / Device Role / Timing Role: Adaptive step-down regulator supporting light-load efficiency via pulse-skipping behavior. Use Value: Cycle-by-cycle current limiting and hiccup protection prevent damage during hot-swap or connector arcing events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MP2207DQ-LF-Z | Same IC die, but in 3mm×3mm QFN10 package with lower θJA (50°C/W) and superior thermal performance. | Better suited for space-constrained, high-power-density designs where PCB real estate is limited. | Select when thermal headroom is critical and layout allows QFN soldering; not pin-compatible with SOIC8E. |
| TPS54332DR | TI part with 3.5–28V input, 3A output, 1MHz switching, no internal sync input, higher RDS(on) (110mΩ). | Lacks frequency synchronization and has lower current rating-requires external diode in some configurations. | Choose only if existing design uses TI ecosystem or requires wider VIN range beyond 16V. |
Compared with MP2207DN-LF-P, the MP2207DQ-LF-Z offers identical electrical specs in a thermally superior QFN package, while the TPS54332DR trades off sync capability and current rating for broader input voltage range-making MP2207DN-LF-P optimal for 4A, 1.3MHz, synchronized PoL applications in SOIC8E footprint.
Availability
MP2207DN-LF-P is available at Aetrix Electronics and suitable for FPGA core supplies, telecom point-of-load regulation, and industrial ASIC I/O rails requiring stable component supply, RoHS compliance, and long-term production continuity.
Supply support for MP2207DN-LF-P includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance analog and mixed-signal ICs for power management, motion control, and automotive applications.
The MP2207 belongs to MPS's high-efficiency synchronous buck converter product line, designed specifically for compact, high-current point-of-load applications in networking, computing, and consumer electronics where thermal performance and EMI control are critical.
FAQ
What is the maximum recommended output current for MP2207DN-LF-P in SOIC8E package at +85°C ambient?
The MP2207DN-LF-P is rated for 4A continuous output current over –40°C to +85°C ambient, verified with proper PCB thermal design: 2oz copper, 2-in² exposed pad area, and ≥4-layer stackup. At +85°C, full 4A is achievable if junction temperature remains ≤150°C-confirmed by thermal testing per JEDEC JESD51-7.
Does MP2207DN-LF-P require an external bootstrap diode?
No. The MP2207DN-LF-P integrates a bootstrap diode for charging the BST capacitor from SW to BS. An external diode is unnecessary-only a 0.1µF ceramic capacitor between BS and SW is required. This simplifies layout and improves reliability versus discrete bootstrap solutions.
Can MP2207DN-LF-P operate with pre-biased output during startup?
Yes. The IC implements pre-bias startup protection: if the FB pin senses voltage >0.8V before soft-start completes, switching is inhibited until the internal soft-start capacitor voltage exceeds the sensed output. This prevents reverse current flow and ensures controlled ramp-up even with powered-back output rails.
What is the minimum inductor value recommended for MP2207DN-LF-P at 4A output?
A 0.47µH to 1µH shielded power inductor is recommended. For 4A load and 30% ripple current (1.2A), 1µH yields ~600kHz effective ripple frequency and keeps peak inductor current below 4.6A. Wurth 744310095 (0.95µH, 11A rating) is validated in MPS reference designs.
Is frequency synchronization mandatory for stable operation?
No. Synchronization is optional. The MP2207DN-LF-P operates stably at its internal 1.3MHz oscillator without external clock. EN/SYNC defaults to enable mode when pulled high; applying a 1–2MHz signal is only needed for EMI reduction or multi-phase coordination-not for basic functionality.
How does hiccup-mode protection differ from latch-off during short-circuit?
Hiccup mode cycles the device: it shuts down, discharges the soft-start capacitor, waits for discharge completion (~10ms), then restarts with full soft-start. This limits average power dissipation and prevents thermal damage. Latch-off would require manual reset; hiccup enables autonomous recovery once fault clears-ideal for intermittent shorts in field-deployed equipment.
MP2207DN-LF-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- MP
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3V
- Voltage - Input (Max):
- 16V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 14.4V
- Current - Output:
- 4A
- Frequency - Switching:
- 1.3MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC-EP
MP2207DN-LF-P FAQ
1.How can I place an order for MP2207DN-LF-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MP2207DN-LF-P on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MP2207DN-LF-P reliable?
The price and inventory of MP2207DN-LF-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP2207DN-LF-P is usually 5 days.
3.What payment methods are accepted for MP2207DN-LF-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP2207DN-LF-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MP2207DN-LF-P?
MP2207DN-LF-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MP2207DN-LF-P order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MP2207DN-LF-P?
For technical support, including MP2207DN-LF-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP2207DN-LF-P requirements.
6.How does Aetrix verify that MP2207DN-LF-P is sourced from the original manufacturer or authorized distributors?
All MP2207DN-LF-P products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MP2207DN-LF-P meets industry standards.
7.What is the process for return or replacement of MP2207DN-LF-P?
All MP2207DN-LF-P units undergo pre-shipment inspection (PSI). If there is an issue with MP2207DN-LF-P, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MP2207DN-LF-P part is unused and in its original packaging.
Return procedure for MP2207DN-LF-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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