PRO-GRADE DC-DC CONVERTER – MK-MOD-1
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৳ 130.00৳ 150.00 (-13%)
The MK-MOD-1 Pro-Grade DC-DC Converter is a high-efficiency, universal 3-wire switching power supply module designed for rapid circuit repair, voltage regulation, and hardware prototyping. Driven by a UC3843AN PWM controller and isolated flyback architecture, this turnkey board easily replaces failed primary power stages in LED/LCD monitors, CRT TVs, and industrial electronics. Dual PC817 optocouplers provide precise voltage feedback across a safe galvanic isolation barrier, while dedicated current-sense resistors ensure active short-circuit and over-current protection.
Core Specifications
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- Topology: Isolated Flyback Converter Subsystem
- Control Engine: UC3843AN High-Performance PWM Controller
- Feedback Mechanism: Dual PC817 Optoelectronic Isolation
- Protection Suitset: Active Over-Current and Short-Circuit Sensing
- Wiring Layout: Ultra-simplified 3-wire primary side connection
If you are preparing to mount this module, please share:
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- The maximum wattage your device draws
- Whether your application requires chassis grounding
I can provide the exact wire-color connection layout for your specific system.
PRO-GRADE DC-DC CONVERTER – MK-MOD-1
The MK-MOD-1 Pro-Grade DC-DC Converter is a high-efficiency, universal 3-wire Switched-Mode Power Supply (SMPS) subsystem module designed for rapid circuit repair, development, and voltage regulation. Built upon a ruggedized platform, this turnkey conversion board simplifies the restoration of compromised primary power regulation stages in cathode-ray tube (CRT) displays, LCD/LED monitors, and commercial electronic equipment.
By bypassing complex, failed discrete regulator networks, the MK-MOD-1 delivers an immediate, stable, and highly isolated power delivery system capable of operating under demanding thermal loads.
PRO-GRADE DC-DC CONVERTER – MK-MOD-1
Key Technical Sub-Systems & Circuit Architecture
The module utilizes an optimized component layout to ensure tight regulation, low electromagnetic interference (EMI), and maximum power density:
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- Pulse-Width Modulation Brain: Driven by the industry-standard UC3843AN PWM Controller IC, the module achieves highly stable switching frequency control. The IC actively adapts pulse widths based on dynamic load demands to maintain maximum energy efficiency.
- High-Frequency Magnetic Isolation: A specialized Flyback Transformer serves as the primary inductive power transfer mechanism. It steps down or transitions incoming voltages across a physical galvanic isolation barrier, shielding sensitive downstream electronics from catastrophic primary-side surges.
- Optoelectronic Feedback Loop: Dual high-linearity PC817 Opto-Couplers continuously sample the output voltage status. By converting electrical changes into optical signals, they feed precise real-time correction data back to the primary PWM stage without bridging the high-voltage isolation gap.
- Active Circuit Safeguards: Integrated low-resistance Current Sense Resistors continuously track current spikes across the switching path. This enables instantaneous over-current protection (OCP) and short-circuit mitigation, safeguarding both the converter module and your target hardware.
PRO-GRADE DC-DC CONVERTER – MK-MOD-1
Applications and Integration
The MK-MOD-1 is engineered for adaptable implementation across a wide range of hardware platforms:
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- Television & Monitor Refurbishment
: Safely substitutes for obsolete, unavailable, or highly integrated power ICs in legacy display monitors and modern television chassis.
- Industrial Power Distribution: Serves as a reliable intermediary step-down or regulation node within localized multi-rail control panels.
- Prototyping & Bench Testing: Provides a pre-engineered, isolated power stage for hardware engineers developing custom embedded systems requiring strict input-to-output isolation.
- Television & Monitor Refurbishment
PRO-GRADE DC-DC CONVERTER – MK-MOD-1
If you are currently deploying this module, please let me know:
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- What is your target output voltage requirement?
- What load current (amperage) will the device pull?
- Are you mounting this to an external heatsink?
I can provide detailed thermal integration guidelines and wiring pinouts for your layout.
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