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onsemi MC78M06BDTRKG
- Part No.:
- MC78M06BDTRKG
- Manufacturer:
- onsemi
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
MC78M06BDTRKG.pdf
- Description:
- IC REG LINEAR 6V 500MA DPAK
- Quantity:
- Payment:
- Shipping:
Inventory:1,269
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Product details
Overview
MC78M06BDTRKG from onsemi is a 6.0 V, 500 mA fixed-output positive linear voltage regulator in DPAK-3 (TO-252) package, featuring internal thermal shutdown, short-circuit current limiting, and safe-area compensation for rugged local regulation. It delivers stable 6 V output across −40°C to +125°C junction temperature with ±2.5% initial accuracy (5.75–6.25 V at 25°C), 2.0 V dropout, and 59 dB ripple rejection at 100 mA/120 Hz - ideal for industrial power rails and automotive body control modules.
For engineers reviewing the MC78M06BDTRKG datasheet, pinout, applications, or equivalent options, this page provides verified electrical specs, thermal performance data, PCB layout guidance for DPAK-3 copper area, and validated drop-in alternatives for cost-sensitive or AEC-Q100-compliant designs.
Technical Context
The MC78M06BDTRKG implements a monolithic NPN pass transistor architecture with integrated bandgap reference, error amplifier, and protection circuitry. Its fixed 6.0 V output is trimmed during final test, and regulation relies on internal feedback without external components. The device operates over input voltages from 8.0 V to 21 V (min VI−VO = 2.0 V) and supports peak output current up to 700 mA under pulse conditions.
Thermal management is enabled via the exposed drain pad (Pin 2), which serves as both ground terminal and heatsink interface. Junction-to-case thermal resistance is 5.0°C/W, enabling 7.52 W max dissipation with infinite heatsinking - critical for sustained 500 mA operation in compact enclosures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 6.0 V nominal; 5.75–6.25 V at TJ = 25°C - ensures compatibility with 6 V logic and analog subsystems requiring tight DC tolerance. |
| Max Output Current | 500 mA continuous; 700 mA peak - supports mid-power microcontrollers, sensors, and interface ICs without external current boosting. |
| Dropout Voltage | 2.0 V typical at 25°C - mandates minimum 8.0 V input for stable 6 V output, constraining use in low-input-voltage systems. |
| Ripple Rejection | 59 dB at 120 Hz / 100 mA - suppresses line-frequency noise from unregulated AC/DC supplies feeding downstream analog circuits. |
| Line Regulation | 5.0 mV typical (8–25 V input range) - limits output drift due to input variation, critical for battery-powered systems with wide VIN swing. |
| Load Regulation | 10 mV typical (5–200 mA load) - maintains voltage stability across dynamic loads like digital I/O switching or sensor polling bursts. |
| Junction Temp Range | −40°C to +125°C - qualified for under-hood automotive and industrial environments without derating. |
Pinout & Package
DPAK-3 (TO-252) plastic surface-mount package with exposed drain pad (Pin 2) thermally and electrically connected to ground. Requires ≥25 mm² copper pour on PCB layer for thermal relief; no heatsink mounting hardware needed.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (VIN) | Unregulated DC input supply; must be ≥8.0 V and ≤35 V; bypass capacitor (≥0.33 µF) required for stability with long traces. |
| 2 | Ground / Heatsink | Common return path and primary thermal interface; must be soldered to large copper area (≥25 mm²) for rated 500 mA operation. |
| 3 | Output (VOUT) | Regulated 6.0 V output; decoupling capacitor (≥0.1 µF ceramic) recommended at point-of-load to suppress high-frequency noise. |
Key Features
| Feature | Design Value |
|---|---|
| No external components required | Self-contained regulation with internal feedback - eliminates need for external resistors or capacitors in basic applications. |
| Internal thermal overload protection | Automatic shutdown at TJ ≥ +150°C - prevents permanent damage during transient overloads or poor PCB thermal design. |
| Short-circuit current limiting | 350 mA typical limit at VI = 35 V - protects upstream supply and wiring during output faults without fuse reliance. |
| Safe-area compensated pass transistor | Reduces short-circuit current as VIN−VOUT increases - enhances reliability under high-differential-voltage fault conditions. |
| Pb-free DPAK-3 package | RoHS-compliant TO-252 footprint with G-marking - enables direct replacement in legacy designs and meets automotive ELV requirements. |
Applications
| Industrial PLC I/O Module | Automotive Body Control Unit |
|---|---|
Use Scenario: Powering isolated digital I/O drivers and analog sensor interfaces in DIN-rail mounted controllers. IC Role / Device Role / Timing Role: Local 6 V rail generator for optocoupler biasing, ADC reference, and logic-level translation. Use Value: Eliminates need for external LDO support circuitry while maintaining ±2.5% output accuracy across −25°C to +70°C ambient. |
Use Scenario: Supplying door module microcontrollers, window motor drivers, and LED lighting controls. IC Role / Device Role / Timing Role: Primary 6 V regulator for non-safety-critical sub-systems with AEC-Q100 stress qualification. Use Value: Withstands automotive load dump transients up to 35 V and operates reliably at −40°C cold crank. |
| Medical Patient Monitor Front-End | Point-of-Sale Terminal Power Management |
Use Scenario: Providing clean 6 V bias to ECG front-end amplifiers and optical pulse oximetry LEDs. IC Role / Device Role / Timing Role: Low-noise analog rail source with 45 µV RMS output noise (10 Hz–100 kHz). Use Value: Ripple rejection >59 dB at 120 Hz suppresses mains-borne interference, improving signal-to-noise ratio in biopotential measurements. |
Use Scenario: Regulating 6 V for thermal print head drivers and smart card readers in retail kiosks. IC Role / Device Role / Timing Role: Cost-optimized main rail regulator with built-in short-circuit protection to prevent field failures. Use Value: 350 mA short-circuit limit prevents catastrophic failure during print head jam events, reducing service calls. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC78M06CDTRKG | 0°C to +125°C operating range; ±2% output accuracy (5.88–6.12 V); same DPAK-3 package and pinout. | Not qualified for automotive cold-start (−40°C); suitable for commercial/industrial indoor equipment only. | Select when ambient temperature stays above 0°C and tighter initial accuracy is required. |
| NCV78M06BDTRKG | Identical electrical specs and package; AEC-Q100 Grade 1 qualified (−40°C to +125°C); PPAP-capable with automotive-specific traceability. | Designed for safety-critical automotive subsystems requiring full automotive qualification documentation. | Choose for OEM automotive programs where PPAP submission and zero-defect manufacturing are mandatory. |
Compared with MC78M06BDTRKG, MC78M06CDTRKG trades extended temperature capability for improved initial accuracy, while NCV78M06BDTRKG adds full automotive qualification without altering electrical behavior - enabling seamless migration from industrial to automotive platforms.
Availability
MC78M06BDTRKG is available at Aetrix Electronics and suitable for industrial automation, automotive body electronics, and medical instrumentation requiring stable component supply with guaranteed long-term continuity.
Supply support for MC78M06BDTRKG 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier delivering energy-efficient silicon solutions for automotive, industrial, cloud, medical, and IoT applications.
The MC78M00 series was designed as a robust, drop-in upgrade to legacy 78xx regulators - offering enhanced thermal protection, tighter tolerances, and automotive-grade variants for mission-critical power management.
FAQ
What is the maximum input voltage rating for MC78M06BDTRKG?
The MC78M06BDTRKG has an absolute maximum input voltage of 40 Vdc, but its recommended operating range is 8.0 Vdc to 21 Vdc for optimal regulation and thermal performance. Exceeding 35 Vdc risks triggering internal protection or degrading long-term reliability, per the datasheet's Maximum Ratings table.
Does MC78M06BDTRKG require input and output capacitors?
Yes - the MC78M06BDTRKG requires a minimum 0.33 µF input bypass capacitor (tantalum or low-ESR ceramic) placed directly across Pins 1 and 2, and a 0.1 µF output capacitor (ceramic) across Pins 2 and 3. These stabilize regulation under dynamic load changes and suppress high-frequency noise, as specified in the Applications Information section.
Can MC78M06BDTRKG be used in automotive applications?
Yes - the MC78M06BDTRKG is rated for −40°C to +125°C junction temperature and features internal short-circuit and thermal protection, making it suitable for non-safety-critical automotive applications like body control modules. For full AEC-Q100 compliance, use the NCV78M06BDTRKG variant instead.
What is the thermal resistance (θJC) of MC78M06BDTRKG in DPAK-3 package?
The MC78M06BDTRKG has a junction-to-case thermal resistance (θJC) of 5.0°C/W, measured from die to the exposed drain pad (Pin 2). This value assumes proper soldering to ≥25 mm² of 2 oz. copper on the PCB - essential for achieving the rated 500 mA continuous output current without thermal shutdown.
How does load regulation performance vary between light and heavy loads for MC78M06BDTRKG?
For the MC78M06BDTRKG, load regulation is 10 mV typical from 5 mA to 200 mA, and 20 mV typical from 5 mA to 500 mA. This means output voltage shifts by ≤20 mV across its full 500 mA load range at 25°C - sufficient for powering 6 V logic and analog circuits without additional post-regulation filtering.
MC78M06BDTRKG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 35V
- Voltage - Output (Min/Fixed):
- 6V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- -
- Current - Output:
- 500mA
- Current - Quiescent (Iq):
- -
- Current - Supply (Max):
- -
- PSRR:
- 80dB (120Hz)
- Control Features:
- -
- Protection Features:
- Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DPAK
MC78M06BDTRKG FAQ
1.How can I place an order for MC78M06BDTRKG through Aetrix?
Please submit a Request for Quotation (RFQ) for MC78M06BDTRKG 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 MC78M06BDTRKG reliable?
The price and inventory of MC78M06BDTRKG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC78M06BDTRKG is usually 5 days.
3.What payment methods are accepted for MC78M06BDTRKG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC78M06BDTRKG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC78M06BDTRKG?
MC78M06BDTRKG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC78M06BDTRKG 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 MC78M06BDTRKG?
For technical support, including MC78M06BDTRKG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC78M06BDTRKG requirements.
6.How does Aetrix verify that MC78M06BDTRKG is sourced from the original manufacturer or authorized distributors?
All MC78M06BDTRKG 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 MC78M06BDTRKG meets industry standards.
7.What is the process for return or replacement of MC78M06BDTRKG?
All MC78M06BDTRKG units undergo pre-shipment inspection (PSI). If there is an issue with MC78M06BDTRKG, 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 MC78M06BDTRKG part is unused and in its original packaging.
Return procedure for MC78M06BDTRKG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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