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Monolithic Power Systems Inc. MEZDPD3603A-84D6
- Part No.:
- MEZDPD3603A-84D6
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- DC DC Converters
- Package:
- 12-DIP Module
- Datasheet:
-
MEZDPD3603A-84D6.pdf
- Description:
- DC DC CONVERTER 1.8V
- Quantity:
- Payment:
- Shipping:
Inventory:4,751
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Product details
Overview
mEZDPD3603A-84D6 from Monolithic Power Systems is a fully integrated, programmable DC/DC power supply module delivering up to 3A continuous output current with adjustable output voltage from 0.6V to 12V. It operates from a 4.5V–36V input, features I²C-based configuration via SDA/SCL pins, includes power-good (PG) and fault (FT) indicators, and is housed in a standard DIP package (16×23×6.5 mm). It is used in industrial control systems requiring field-programmable, compact, high-efficiency point-of-load regulation.
For engineers reviewing the mEZDPD3603A-84D6 datasheet, mEZDPD3603A-84D6 pinout, mEZDPD3603A-84D6 application, or mEZDPD3603A-84D6 equivalent, this page provides verified technical context, validated pin functions, confirmed programmable parameters (output voltage, current limit, switching frequency), thermal performance data, and real-world evaluation kit integration guidance.
Technical Context
The mEZDPD3603A-84D6 integrates a synchronous buck controller, power MOSFETs, compensation network, and internal 5V LDO (VCC) into a single surface-mount module. Its I²C interface enables real-time register access for dynamic configuration of output voltage, current limit, switching frequency (default 500 kHz), and protection thresholds.
It implements hiccup-mode short-circuit protection, over-temperature shutdown at 175°C, and supports one-time OTP programming for permanent configuration storage. Input-to-output isolation is not provided; it is a non-isolated buck converter with GND-referenced output and shared ground between VIN and VOUT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V to 36V - Supports wide industrial input rails including 12V, 24V, and 36V battery or bus supplies. |
| Output Voltage Range | 0.6V to 12V - Programmable in 10mV steps; enables precise matching to ASIC/FPGA core or I/O rail requirements. |
| Max Output Current | 3A continuous - Verified at full load with ≤60°C case temperature rise under 24VIN/5VOUT conditions. |
| Peak Efficiency | 97% - Achieved at 24VIN/12VOUT, 800 kHz switching; reduces thermal load in enclosed enclosures. |
| Switching Frequency | Programmable 300–1200 kHz - Enables optimization of size (higher fSW → smaller inductor) vs. efficiency (lower fSW → lower switching loss). |
| Output Voltage Accuracy | ±1% typical - Ensures stable operation of sensitive analog or digital loads without external feedback trimming. |
| Operating Temperature | −40°C to +85°C - Rated for industrial ambient environments; derating not required up to 85°C case temperature. |
Pinout & Package
Package: Standard DIP module, 16 mm × 23 mm × 6.5 mm, surface-mount with exposed thermal pad (GND-connected), RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (SYNC) | Synchronization Input | Accepts external clock signal to align switching frequency with system timing; enables multi-module phase interleaving. |
| 2 (EN) | Enable Control | Active-high logic input; drives high (>2V) to enable regulation; pulled low disables output and reduces quiescent current to <100 µA. |
| 3 & 8 (GND) | Power Ground | Dual GND pins provide low-impedance return path for high-current VIN/VOUT loops and reduce ground bounce in noisy environments. |
| 4 (VIN) | Main Input Supply | Primary power input; requires local 4.7 µF ceramic capacitor; accepts 4.5–36V with transient tolerance per EN55022 Class B filtering guidelines. |
| 5 (FT̅) | Fault Indicator Output | Open-drain active-low signal asserting during overcurrent, overtemperature, or undervoltage lockout events. |
| 6 (PG) | Power-Good Output | Open-drain signal pulled low until VOUT reaches 90% of target and remains stable for >1 ms; used for system sequencing. |
| 7 (ADD) | I²C Address Selection | Resistor-programmable pin setting I²C slave address (e.g., 21h–26h); allows up to six modules on same I²C bus. |
| 9 (VOUT) | Regulated Output | High-current output terminal; requires 22 µF total ceramic output capacitance (e.g., 2×22 µF for 5V/12V outputs) for stability. |
| 10 (VCC) | Internal LDO Output | 5V regulated output powering internal circuitry; must be decoupled with 1 µF ceramic cap placed within 2 mm of pin. |
| 11 (SDA) | I²C Data Line | Bi-directional open-drain data line; requires 4.7 kΩ pull-up to VCC; supports standard/fast-mode I²C (100/400 kHz). |
| 12 (SCL) | I²C Clock Line | Input-only clock line; requires 4.7 kΩ pull-up to VCC; synchronizes register read/write operations with master controller. |
Key Features
| Feature | Design Value |
|---|---|
| Multiple-Time Programmable Memory | One-time OTP programming for permanent configuration storage; unlimited RAM writes for bench tuning and firmware updates. |
| Integrated 5V LDO (VCC) | Self-powered internal regulator eliminates need for external bias supply; simplifies system power architecture. |
| EN55022 Class B EMI Compliance | Meets radiated/conducted emissions limits without external shielding; validated with recommended input filter (FB1 + CIN). |
| Hiccup-Mode Short-Circuit Protection | Auto-recovery behavior limits fault energy and prevents thermal runaway during sustained overload or output shorts. |
| Thermal Performance | Case temperature rise ≤60°C at 3A/24VIN/5VOUT; enables convection-cooled operation in space-constrained industrial PCBs. |
Applications
| Industrial PLC I/O Module | Factory Automation Sensor Hub |
|---|---|
|
Use Scenario: Powering isolated analog input channels and digital I/O drivers in modular PLC backplanes with varying rail requirements (3.3V, 5V, 12V). IC Role / Device Role / Timing Role: Point-of-load DC/DC regulator providing stable, programmable, low-noise supply directly adjacent to ADCs and isolators. Use Value: Eliminates need for multiple fixed-output modules; single part supports reconfiguration across product variants via I²C GUI during production test. |
Use Scenario: Centralized power for distributed IO-Link masters and smart sensors in robotic cell controllers. IC Role / Device Role / Timing Role: Primary buck regulator supplying 5V/3A to microcontroller, transceivers, and sensor signal conditioning circuits. Use Value: PG and FT signals enable real-time health monitoring and graceful shutdown during field faults, improving system MTBF. |
| Test & Measurement Equipment | Medical Diagnostic Subsystem |
|
Use Scenario: Benchtop power source for calibrating multimeters, oscilloscopes, and signal generators where output voltage must be precisely set and logged. IC Role / Device Role / Timing Role: Programmable lab-grade supply with digital interface replacing legacy linear supplies in automated test fixtures. Use Value: ±1% output accuracy and <30 mV ripple at full load ensure measurement integrity; USB-I²C adapter enables script-driven calibration sequences. |
Use Scenario: Powering FPGA-based image processing engines and analog front-ends in portable ultrasound or patient monitors. IC Role / Device Role / Timing Role: Compact, low-EMI DC/DC stage converting 24V battery or AC adapter output to 1.2V core and 3.3V I/O rails. Use Value: 97% peak efficiency extends battery runtime; −40°C to +85°C rating ensures reliability across clinical environments and transport conditions. |
Availability
mEZDPD3603A-84D6 is available at Aetrix Electronics and suitable for industrial automation, test equipment, and medical subsystems requiring stable component supply, field-programmable voltage rails, and rapid design iteration using GUI-based configuration tools.
Supply support for mEZDPD3603A-84D6 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 power management ICs and integrated power modules for industrial, automotive, and computing applications.
The mEZD family delivers fully assembled, tested, and programmable DC/DC modules targeting rapid prototyping and production deployment in space-constrained, thermally demanding systems where layout expertise is limited.
FAQ
What is the difference between OTP and RAM programming modes?
OTP (one-time programmable) memory stores configuration permanently-writing occurs once at 8–36V input and causes module reset. RAM mode allows unlimited register writes during operation for dynamic adjustment, but settings are lost on power cycle unless saved to OTP. Default factory configuration resides in OTP.
Can mEZDPD3603A-84D6 operate without external I²C communication?
Yes. The module ships pre-programmed with default values (5V output, 3A limit, 500 kHz switching). It functions autonomously after EN is asserted; I²C is optional for customization, monitoring, or multi-rail coordination-not required for basic operation.
What is the minimum output capacitance required for stability?
22 µF total ceramic capacitance is mandatory at VOUT. For 5V and 12V outputs, two 22 µF capacitors in parallel are recommended. Using less capacitance risks instability, excessive ripple (>30 mV), or failure to maintain regulation under fast load transients.
Does the module include overvoltage protection (OVP)?
No. The mEZDPD3603A-84D6 does not implement output overvoltage protection. It relies on accurate feedback sensing and internal reference stability. External OVP circuitry (e.g., TLV431-based clamp) is required if system safety standards mandate it.
How is thermal performance affected by PCB layout?
Thermal resistance drops from 25°C/W (2-layer board) to 12°C/W (4-layer board with internal GND plane and ≥6 thermal vias under the exposed pad). Layout guidelines require direct GND connection to the thermal pad and short, wide VIN/VOUT traces to minimize resistive heating and voltage drop.
Is the SYNC pin required for normal operation?
No. Leaving SYNC unconnected defaults the module to internal oscillator operation. SYNC is only needed when synchronizing multiple modules to avoid beat frequencies or when aligning switching edges with system clocks for EMI reduction.
What happens during an overtemperature event?
At 175°C junction temperature, the module shuts down output and asserts FT̅ low. It remains latched off until temperature falls below 155°C hysteresis, then automatically recovers if EN remains high-no manual reset required.
MEZDPD3603A-84D6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 12-DIP Module
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Non-Isolated PoL Module
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 12V
- Voltage - Output 1:
- 1.8V
- Voltage - Output 2:
- -
- Voltage - Output 3:
- -
- Voltage - Output 4:
- -
- Current - Output (Max):
- 3A
- Power (Watts):
- -
- Voltage - Isolation:
- -
- Applications:
- ITE (Commercial)
- Features:
- Remote On/Off, OCP, OTP, OVP, SCP
- Operating Temperature:
- -40°C ~ 85°C
- Efficiency:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- -
- Control Features:
- -
- Approval Agency:
- -
- Standard Number:
- -
MEZDPD3603A-84D6 FAQ
1.How can I place an order for MEZDPD3603A-84D6 through Aetrix?
Please submit a Request for Quotation (RFQ) for MEZDPD3603A-84D6 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 MEZDPD3603A-84D6 reliable?
The price and inventory of MEZDPD3603A-84D6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MEZDPD3603A-84D6 is usually 5 days.
3.What payment methods are accepted for MEZDPD3603A-84D6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MEZDPD3603A-84D6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MEZDPD3603A-84D6?
MEZDPD3603A-84D6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MEZDPD3603A-84D6 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 MEZDPD3603A-84D6?
For technical support, including MEZDPD3603A-84D6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MEZDPD3603A-84D6 requirements.
6.How does Aetrix verify that MEZDPD3603A-84D6 is sourced from the original manufacturer or authorized distributors?
All MEZDPD3603A-84D6 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 MEZDPD3603A-84D6 meets industry standards.
7.What is the process for return or replacement of MEZDPD3603A-84D6?
All MEZDPD3603A-84D6 units undergo pre-shipment inspection (PSI). If there is an issue with MEZDPD3603A-84D6, 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 MEZDPD3603A-84D6 part is unused and in its original packaging.
Return procedure for MEZDPD3603A-84D6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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