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Monolithic Power Systems Inc. MPM3606GQV-P
- Part No.:
- MPM3606GQV-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- DC DC Converters
- Package:
- 20-PowerLFQFN Module
- Datasheet:
-
MPM3606GQV-P.pdf
- Description:
- DC DC CONVERTER 0.8-5.5V
- Quantity:
- Payment:
- Shipping:
Inventory:605
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Product details
Overview
MPM3606GQV-P from Monolithic Power Systems is a synchronous step-down DC/DC power module integrating MOSFETs, inductor, VCC and bootstrap capacitors in a single QFN-20 package. It delivers 0.6A continuous output current over 4.5V–21V input range, regulates output from 0.8V to 5.5V, operates at 2MHz fixed frequency, and supports selectable AAM (power-save) or forced PWM mode via external resistor on AAM pin - used in space-constrained industrial and medical power rails.
For engineers reviewing the MPM3606GQV-P datasheet, MPM3606GQV-P pinout, MPM3606GQV-P application, or MPM3606GQV-P equivalent, key selection criteria include integrated inductor footprint reduction, 200μA quiescent current in light-load AAM mode, hiccup-mode OCP with thermal shutdown, and compatibility with standard 3mm×5mm PCB layouts requiring minimal external components (only 5 total).
Technical Context
The MPM3606GQV-P employs peak-current-mode control with internal 0.8V reference and optimized compensation network, eliminating need for external loop compensation. Its 2MHz switching frequency enables fast transient response and allows use of small external capacitors while maintaining stability across ceramic/tantalum/low-ESR electrolytic output types.
It integrates dual MOSFETs (100mΩ HS / 50mΩ LS RDS(ON)), a 60mΩ inductor DCR, internal 5V VCC LDO with integrated decoupling capacitor, and bootstrap circuitry with internal BST capacitor - all co-packaged to minimize parasitic inductance and simplify layout. The AAM pin controls transition between PFM and CCM based on COMP voltage comparison against a programmable 0–1V threshold.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V to 21V - supports wide industrial input rails including 5V, 12V, and 19V systems without pre-regulation. |
| Output Current | 0.6A continuous - sufficient for powering microcontrollers, sensors, and interface ICs in compact embedded systems. |
| Switching Frequency | 2MHz ±25% - enables use of sub-10μF ceramic output capacitors and reduces EMI filter size. |
| Quiescent Current | 200μA in AAM mode - extends battery life in always-on monitoring applications. |
| Feedback Reference | 798mV ±16mV - sets precise output voltage via external resistor divider; supports 0.8V–5.5V adjustment. |
| Thermal Shutdown | 150°C with 20°C hysteresis - protects against sustained overload or poor heatsinking in sealed enclosures. |
| OCP Threshold | 2.0A typical (hiccup mode) - limits fault current during short-circuit while minimizing thermal stress. |
| Package | QFN-20 (3mm × 5mm × 1.6mm) - exposes thermal pad for direct PCB copper connection; total solution size 6.7mm × 6.3mm. |
Pinout & Package
MPM3606GQV-P uses a thermally enhanced QFN-20 (3mm × 5mm × 1.6mm) package with exposed thermal pad (pins 12, 13, 14 = PGND). Pin 11 (BST) and pin 2 (VCC) have internal capacitors; pins 10, 15, 19, 20 are NC and must remain unconnected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 FB | Feedback Input | Connects to resistor divider tap; senses output voltage; triggers fold-back frequency reduction below 400mV during fault. |
| 2 VCC | Internal 5V LDO Output | Internally decoupled; powers control circuitry; no external capacitor required. |
| 3 AGND | Analog Ground Reference | Internally tied to PGND; serves as reference for error amplifier and logic; avoid routing noise near this pin. |
| 4–6 SW | Switch Node | High-current path for integrated high-side/low-side MOSFETs; requires large copper pour and multiple vias for thermal relief. |
| 7–9 OUT | Power Output | Delivers regulated output; connects directly to load and output capacitor; keep trace short and low-inductance. |
| 12–14 PGND | Power Ground | Main return path for switch current; must be connected to thermal pad and low-impedance ground plane. |
| 16 IN | Input Supply | Accepts 4.5V–21V; requires low-ESR ceramic capacitor placed adjacent with wide traces and multiple vias. |
| 17 EN | Enable Control | Digital input; >1.4V enables converter; floating or <1.25V disables; internal 1MΩ pull-down allows simple on/off control. |
| 18 AAM | Advanced Asynchronous Modulation | Sources 6.2μA; resistor-to-GND sets 0–1V threshold to select light-load PFM vs. forced CCM operation. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Inductor + Dual MOSFETs | Eliminates external magnetics and discrete FETs; reduces BOM count and layout risk in high-density designs. |
| Internal VCC & Bootstrap Capacitors | Removes two external capacitors; simplifies bill-of-materials and improves reliability by reducing solder joints. |
| Programmable AAM Mode | Enables efficiency optimization across load range: >85% at 1mA, >90% at 100mA, >92% at 600mA (VIN=12V, VOUT=3.3V). |
| Hiccup-Mode Over-Current Protection | Reduces average short-circuit power dissipation by >70% versus latch-off, enabling safe operation in unattended systems. |
| 1.5ms Internal Soft-Start | Prevents output overshoot and inrush current during startup; eliminates need for external soft-start timing components. |
| Thermal Pad with Low θJA | 46°C/W junction-to-ambient (4-layer PCB); enables 0.6A operation at +85°C ambient without forced airflow. |
Applications
| Industrial Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Powering ultra-low-power MCU, analog front-end, and BLE radio in battery-operated factory-floor sensor node. IC Role / Device Role / Timing Role: Primary 3.3V supply rail regulator with AAM mode active during sleep cycles to minimize quiescent draw. Use Value: Achieves 200μA system standby current and 92% efficiency at full load - extending 2xAA battery life to >12 months. |
Use Scenario: Generating stable 1.8V and 3.3V rails for FPGA-based imaging subsystem in handheld ultrasound device. IC Role / Device Role / Timing Role: Compact point-of-load converter replacing discrete buck controller + inductor + MOSFET solution. Use Value: Reduces board area by 45% versus discrete implementation while meeting IEC 60601 ripple and transient requirements. |
| Telecom Line Card | LDO Replacement in Space-Constrained Module |
Use Scenario: Providing 5V/0.6A bias for optical transceiver ASIC on dense 1RU telecom switch line card. IC Role / Device Role / Timing Role: High-efficiency intermediate bus converter operating from 12V backplane with 2MHz switching to avoid AM radio band. Use Value: Delivers 93% efficiency at 500mA while limiting conducted EMI to CISPR-22 Class B limits without added filtering. |
Use Scenario: Replacing 0.6A linear regulator in GPS tracker module where thermal headroom is limited. IC Role / Device Role / Timing Role: Step-down module delivering 3.3V from 12V vehicle battery with integrated thermal protection. Use Value: Reduces power loss from 5.1W (LDO) to 0.4W (MPM3606GQV-P), lowering case temperature rise from 65°C to <15°C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous step-down module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSM1052-33 | Fixed 3.3V output; no adjustable feedback; 0.5A max; 1.2MHz switching; no AAM pin. | Only suitable for fixed-voltage use cases; lacks programmability and light-load efficiency optimization. | Select when output voltage is fixed and design simplicity outweighs efficiency flexibility. |
| RT6203E | 0.8A output; external inductor required; 500kHz switching; no integrated VCC capacitor; larger solution size. | Requires 8+ external components; higher layout sensitivity; better suited for cost-sensitive, non-space-constrained designs. | Select when higher output current is needed and PCB area is not constrained. |
Compared with TSM1052-33 and RT6203E, MPM3606GQV-P uniquely combines adjustable output, integrated magnetics/capacitors, and AAM programmability in a 3mm×5mm footprint - making it optimal for miniaturized, battery-aware, and thermally sensitive applications where BOM count and layout robustness are critical.
Availability
MPM3606GQV-P is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical monitors, telecom line cards, and space-constrained LDO replacement applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MPM3606GQV-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, motor drive, and automotive applications.
The MPM3606 series belongs to MPS's integrated power module product line, designed specifically to reduce design complexity and time-to-market for compact, high-efficiency DC/DC conversion in industrial, medical, and communications equipment.
FAQ
What is the minimum output voltage supported by MPM3606GQV-P?
The MPM3606GQV-P supports output voltages down to 0.8V, set by the internal 798mV feedback reference and external resistor divider. Operation below 0.8V is not guaranteed due to reference tolerance and FB pin accuracy limitations.
Can MPM3606GQV-P operate with input voltage below 4.5V?
No - the absolute minimum input voltage is 4.5V per datasheet specifications. Below this, UVLO prevents startup; the internal VCC regulator cannot sustain internal circuitry, and gate drive capability degrades significantly.
Is an external bootstrap capacitor required for MPM3606GQV-P?
No. The BST pin (pin 11) connects to an internally integrated bootstrap capacitor. External connection is prohibited; adding external capacitance may disrupt internal charging and cause erratic switching behavior.
How does the AAM pin affect light-load efficiency?
The AAM pin sets the COMP voltage threshold that determines PFM entry. With RAAM = 33kΩ (≈205mV), efficiency at 1mA load reaches 78%; with RAAM = 9.09kΩ (≈56mV), it drops to 62% but improves transient response and output ripple stability.
What is the maximum recommended output voltage for reliable operation?
The datasheet specifies 5.5V as the recommended maximum output. While higher outputs are possible using resistor scaling, output ripple increases significantly above 5.5V, and thermal stress rises due to reduced duty cycle and higher conduction losses.
Does MPM3606GQV-P require external compensation components?
No. The error amplifier features an optimized internal compensation network. No external RC networks are needed - only the FB resistor divider is required to set output voltage and provide basic loop stability.
What PCB layout practices are critical for thermal performance?
Direct connection of the exposed thermal pad (pins 12–14) to a solid inner-layer ground plane using ≥6 thermal vias (0.3mm diameter) is mandatory. Input capacitor placement within 2mm of IN/PGND pins and SW node copper pour width ≥1.5mm are essential for thermal and EMI performance.
MPM3606GQV-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 20-PowerLFQFN Module
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Non-Isolated PoL Module
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 21V
- Voltage - Output 1:
- 0.8 ~ 5.5V
- Voltage - Output 2:
- -
- Voltage - Output 3:
- -
- Voltage - Output 4:
- -
- Current - Output (Max):
- 600mA
- Power (Watts):
- -
- Voltage - Isolation:
- -
- Applications:
- ITE (Commercial)
- Features:
- OCP, OTP, UVLO
- Operating Temperature:
- -40°C ~ 125°C
- Efficiency:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-QFN (3x5)
- Control Features:
- Enable, Active High
- Approval Agency:
- -
- Standard Number:
- -
MPM3606GQV-P FAQ
1.How can I place an order for MPM3606GQV-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MPM3606GQV-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 MPM3606GQV-P reliable?
The price and inventory of MPM3606GQV-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPM3606GQV-P is usually 5 days.
3.What payment methods are accepted for MPM3606GQV-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPM3606GQV-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPM3606GQV-P?
MPM3606GQV-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPM3606GQV-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 MPM3606GQV-P?
For technical support, including MPM3606GQV-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPM3606GQV-P requirements.
6.How does Aetrix verify that MPM3606GQV-P is sourced from the original manufacturer or authorized distributors?
All MPM3606GQV-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 MPM3606GQV-P meets industry standards.
7.What is the process for return or replacement of MPM3606GQV-P?
All MPM3606GQV-P units undergo pre-shipment inspection (PSI). If there is an issue with MPM3606GQV-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 MPM3606GQV-P part is unused and in its original packaging.
Return procedure for MPM3606GQV-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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