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Analog Devices Inc./Maxim Integrated MAX20076ATCC/VY+T
- Part No.:
- MAX20076ATCC/VY+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 12-WFDFN Exposed Pad
- Datasheet:
-
MAX20076ATCC/VY+T.pdf
- Description:
- IC REG BUCK ADJ 1.2A 12TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,917
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Product details
Overview
MAX20076ATCC/VY+T from Analog Devices is a 36V-input, 1.2A synchronous buck converter with integrated high-side and low-side MOSFETs, 20ns minimum on-time, fixed 2.1MHz switching frequency, ±2% output voltage accuracy (for fixed outputs), and AEC-Q100 qualification for automotive use in engine control units and ADAS power rails.
For engineers reviewing the MAX20076ATCC/VY+T datasheet, MAX20076ATCC/VY+T pinout, MAX20076ATCC/VY+T application, or MAX20076ATCC/VY+T equivalent, this page delivers verified technical context, validated pin functions, confirmed 1V–3.6V programmable output range, real-world EMI mitigation via spread-spectrum enable, and automotive-grade thermal and load-dump protection - all specific to the MAX20076ATCC/VY+T variant.
Technical Context
The MAX20076ATCC/VY+T implements current-mode control with no external compensation required, enabling stable regulation across 1V–3.6V output using an external resistor divider. Its 20ns minimum on-time supports direct step-down from 36V input to sub-3V rails without cascaded conversion.
It operates exclusively in Forced-PWM (FPWM) mode - SYNC must be tied to BIAS - and features integrated 40V load-dump tolerance, 99% dropout duty cycle, and thermal shutdown at 175°C with 15°C hysteresis. The side-wettable TDFN package (TD1233Y+2C) enables automated optical inspection and robust solder-joint reliability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.5V to 36V; withstands 40V transients for automotive load-dump immunity |
| Output Current | 1.2A continuous; peak current limit 1.9A (typ) with ±12% tolerance |
| Output Voltage Range | 1V to 3.6V only (via external resistor divider); not fixed - FB pin must be used |
| Switching Frequency | Fixed 2.1MHz (1.925–2.275MHz); enables compact 4.7µH inductor and <100mVpp ripple |
| Minimum On-Time | 20ns; allows 36V→1.8V conversion at 2.1MHz without pulse-skipping |
| Accuracy & Regulation | ±1.5% FB reference (1.0V ±15mV); line/load regulation <0.02%/V and <2% over full load |
| Protection Features | 40V load-dump survival, short-circuit shutdown with 7ms auto-retry, thermal shutdown at 175°C |
Pinout & Package
MAX20076ATCC/VY+T uses a 12-pin side-wettable TDFN package (3mm × 3mm, outline 21-100176, RoHS-compliant, exposed pad connected to PGND). The EP pad is thermally critical but non-current-carrying.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 SPS | Spread-spectrum enable | Logic-high enables ±6% frequency modulation to reduce EMI peaks; internal 1MΩ pulldown |
| 2 EN | High-voltage enable input | Active-high; compatible with 3.3V logic or 36V battery; no internal pullup/pulldown |
| 3 BST | Bootstrap supply for HS gate driver | Requires 0.1µF ceramic capacitor to LX; enables high-side FET drive above SUP |
| 4 SUP | Main power input | 3.5V–36V supply; requires 4.7µF low-ESR ceramic capacitor to PGND |
| 5 LX | Switch node | Connects to 4.7µH inductor; contains internal clamp diodes to PGND/AGND/SUP |
| 6 PGND | Power ground return | High-current path for inductor, input/output caps, and EP pad; separate from AGND |
| 7 AGND | Analog ground reference | Low-noise return for FB, BIAS, SYNC, PGOOD; must tie to PGND only at OUT capacitor cathode |
| 8 FB | Feedback input | 1.0V reference point; connect resistor divider from OUT to AGND to set 1V–3.6V output |
| 9 OUT | Regulated output | Buck output node; bypass with 22µF ceramic capacitor to PGND for stability |
| 10 BIAS | Internal 5V bias supply | Provides gate-drive and internal circuitry power; requires 1µF ceramic cap to AGND |
| 11 SYNC | FPWM clock select | Tie to BIAS to enable internal 2.1MHz oscillator; internal 1MΩ pulldown |
| 12 PGOOD | Open-drain power-good signal | Active-high when VOUT ≥93.5% nominal; requires external 20kΩ pullup to BIAS or VOUT |
Key Features
| Feature | Design Value |
|---|---|
| Synchronous buck with integrated FETs | Eliminates external MOSFETs and drivers; RDS(on) = 300mΩ (HS) / 200mΩ (LS) at 1.2A |
| 20ns minimum on-time | Enables single-stage 36V→1.8V conversion at 2.1MHz - avoids inefficient two-stage designs |
| Side-wettable TDFN package | TD1233Y+2C footprint enables AOI-compatible solder joints and enhanced thermal transfer via EP |
| PGOOD + high-voltage EN | Simplifies power sequencing in multi-rail automotive systems; EN accepts up to 36V directly |
| AEC-Q100 Grade-1 qualification | Validated for -40°C to +125°C ambient operation; 95,000h lifetime at TJ = +125°C |
Applications
| Engine Control Unit (ECU) Power | ADAS Camera Module Supply |
|---|---|
Use Scenario: Providing clean, regulated 1.8V or 2.5V rail to microcontrollers and image sensors in under-hood ECUs exposed to 40V load-dump events. IC Role / Device Role / Timing Role: Primary DC-DC regulator converting 12V/24V battery to low-voltage logic rails with FPWM noise control and thermal resilience. Use Value: 20ns on-time enables direct 24V→1.8V conversion; 40V tolerance eliminates need for upstream TVS; AEC-Q100 ensures field reliability. |
Use Scenario: Powering CMOS image sensors and ISP processors in forward-facing ADAS cameras requiring ultra-low EMI near RF receivers. IC Role / Device Role / Timing Role: Low-noise, spread-spectrum-enabled buck converter delivering stable 3.3V or adjustable 1.2V rail. Use Value: ±6% spread spectrum reduces radiated emissions at 2.1MHz; 125°C ambient rating supports sealed camera housings. |
| Automotive Infotainment SoC Core Rail | Industrial CAN Node Power |
Use Scenario: Generating 1.1V or 1.35V core supply for automotive-grade application processors with tight transient response requirements. IC Role / Device Role / Timing Role: High-efficiency, FPWM-controlled buck supplying dynamic loads up to 1.2A with minimal output droop. Use Value: 2.1MHz switching enables fast loop response (<10µs load-step recovery); 1.5% FB accuracy maintains SoC VDD tolerance. |
Use Scenario: Powering isolated CAN transceivers and microcontrollers in industrial gateways operating from 24V DC bus with wide temperature swings. IC Role / Device Role / Timing Role: Robust, wide-input buck converter delivering 3.3V or 5V to communication subsystems with load-dump immunity. Use Value: 36V max input and 40V transient rating eliminate need for pre-regulator; -40°C to +125°C operation covers extended industrial range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX20076ATCB/VY+ | Fixed 3.3V output; no FB pin usage required; same package and thermal specs | Used where 3.3V is standard and output adjustability is unnecessary | Select MAX20076ATCB/VY+ if fixed 3.3V simplifies design; MAX20076ATCC/VY+T is required for 1V–3.6V programmability |
| LM61480QRVTTQ1 | 4.5V–36V input, 1.2A, 2.1MHz, but uses external compensation and lacks spread-spectrum | Higher BOM count due to compensation network; no integrated EMI reduction feature | Choose LM61480QRVTTQ1 only if TI's automotive qualification and pinout compatibility outweigh loss of spread-spectrum and integrated FB accuracy |
Compared with MAX20076ATCB/VY+, the MAX20076ATCC/VY+T trades fixed-output simplicity for precise 1V–3.6V programmability via FB; versus LM61480QRVTTQ1, it offers lower system-level EMI through integrated spread-spectrum and zero-compensation design - critical for space-constrained automotive modules.
Availability
MAX20076ATCC/VY+T is available at Aetrix Electronics and suitable for automotive ECU power supplies, ADAS camera modules, infotainment SoC core rails, and industrial CAN node designs requiring stable component supply, AEC-Q100 compliance, and side-wettable package reliability.
Supply support for MAX20076ATCC/VY+T 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and healthcare markets with precision power, sensing, and timing solutions.
The MAX20076ATCC/VY+T belongs to Analog Devices' automotive-qualified power management portfolio, designed specifically for harsh-environment DC-DC conversion in engine bays, ADAS systems, and body electronics where input transients, thermal stress, and EMI control are critical.
FAQ
What output voltage range does the MAX20076ATCC/VY+T support?
The MAX20076ATCC/VY+T supports only externally adjustable output voltages from 1V to 3.6V using a resistor divider connected to the FB pin. It does not offer factory-trimmed fixed outputs like the ATCA/V+ or ATCB/V+ variants. The FB reference is 1.0V ±15mV, enabling precise setting with standard 1% resistors. This range is explicitly defined in the Electrical Characteristics table for MAX20075/76ATCC/V+.
Is the MAX20076ATCC/VY+T pin-compatible with other MAX20076 variants?
Yes, the MAX20076ATCC/VY+T shares identical pinout and footprint with all MAX20076 variants in the 12-pin TDFN package, including MAX20076ATCA/V+, MAX20076ATCB/V+, and MAX20076BATCB/VY+. The "Y" suffix denotes side-wettable leads, and "+" indicates RoHS compliance - both are mechanical/package enhancements that do not affect pin function or layout.
Does the MAX20076ATCC/VY+T support skip-mode or DCM operation?
No - the MAX20076ATCC/VY+T is specified for Forced-PWM (FPWM) operation only. The datasheet explicitly states: "For applications requiring low quiescent current/skip mode operation, please refer to MAX20075D/MAX20076D/MAX25276D." This part lacks skip-mode capability and must have SYNC tied to BIAS to maintain constant 2.1MHz switching across all load conditions.
What is the purpose of the SPS pin on the MAX20076ATCC/VY+T?
The SPS (Spread-Spectrum) pin on the MAX20076ATCC/VY+T enables ±6% frequency modulation of the internal 2.1MHz oscillator to reduce peak radiated EMI. When pulled high (≥1.4V), it activates modulation; when low (<0.4V) or left floating (due to internal 1MΩ pulldown), modulation is disabled. It has no effect when SYNC is driven by an external clock.
How is thermal performance managed in the MAX20076ATCC/VY+T?
The MAX20076ATCC/VY+T features thermal shutdown at 175°C (typ) with 15°C hysteresis and is qualified for continuous operation up to +125°C ambient. Its side-wettable TDFN package (TD1233Y+2C) uses an exposed pad soldered to PGND for efficient heat transfer; θJA = 41°C/W on a 4-layer board. Layout guidelines mandate connecting the EP pad to a large copper plane with multiple vias to the inner PGND layer.
MAX20076ATCC/VY+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 12-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3.5V
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 1V
- Voltage - Output (Max):
- 3.6V
- Current - Output:
- 1.2A
- Frequency - Switching:
- 2.1MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 12-TDFN-EP (3x3)
MAX20076ATCC/VY+T FAQ
1.How can I place an order for MAX20076ATCC/VY+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20076ATCC/VY+T 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 MAX20076ATCC/VY+T reliable?
The price and inventory of MAX20076ATCC/VY+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX20076ATCC/VY+T is usually 5 days.
3.What payment methods are accepted for MAX20076ATCC/VY+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20076ATCC/VY+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20076ATCC/VY+T?
MAX20076ATCC/VY+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20076ATCC/VY+T 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 MAX20076ATCC/VY+T?
For technical support, including MAX20076ATCC/VY+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20076ATCC/VY+T requirements.
6.How does Aetrix verify that MAX20076ATCC/VY+T is sourced from the original manufacturer or authorized distributors?
All MAX20076ATCC/VY+T 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 MAX20076ATCC/VY+T meets industry standards.
7.What is the process for return or replacement of MAX20076ATCC/VY+T?
All MAX20076ATCC/VY+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX20076ATCC/VY+T, 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 MAX20076ATCC/VY+T part is unused and in its original packaging.
Return procedure for MAX20076ATCC/VY+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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