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Analog Devices Inc./Maxim Integrated MAX15036ATE/V+
- Part No.:
- MAX15036ATE/V+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-WQFN Exposed Pad
- Datasheet:
-
MAX15036ATE/V+.pdf
- Description:
- IC REG BUCK BOOST ADJ 3A 16TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,981
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Product details
Overview
The MAX15036ATE/V+ from Maxim Integrated is a high-frequency, nonsynchronous buck or boost DC-DC converter with an integrated 150mΩ n-channel power MOSFET, delivering up to 3A output current, supporting 4.5V–5.5V or 5.5V–23V input ranges, and offering resistor-programmable switching frequency from 200kHz to 2.2MHz. It features a clock output (CKO) for 180° out-of-phase interleaving and a power-on-reset (RESET) output, enabling compact point-of-load regulation in xDSL modems and automotive radio supplies.
For engineers reviewing the MAX15036ATE/V+ datasheet, MAX15036ATE/V+ pinout, MAX15036ATE/V+ application, or MAX15036ATE/V+ equivalent, this page delivers verified functional identity, validated thermal performance (2.7W dissipation in 5mm × 5mm TQFN), confirmed 16-pin terminal mapping, and real-world efficiency data across buck/boost topologies at 12V input and 3.3V output.
Technical Context
The MAX15036ATE/V+ implements voltage-mode PWM control with peak current limiting and digital soft-start (4096 oscillator cycles, 64 steps). Its internal 150mΩ high-side MOSFET supports both buck (high-side switch) and boost (low-side switch) configurations, with dedicated DRAIN/SOURCE pin routing per topology.
It integrates a 5.2V VL regulator (with 4.3V UVLO and 137mV hysteresis), a 2V reference bypass (BYPASS), and a 115° phase-shifted CKO output synchronized to SOURCE - all operating across –40°C to +125°C in thermally enhanced TQFN-EP packaging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V–5.5V or 5.5V–23V: Dual-range operation enables compatibility with 5V logic rails and wide-input industrial supplies. |
| Output Current | 3A max: Sustained load capability verified at 12VIN/3.3VOUT, limited by package thermal dissipation (2.7W). |
| Switching Frequency | 200kHz–2.2MHz (ROSC-programmable): Enables optimization of size (higher fSW) vs. efficiency (lower fSW) in space-constrained designs. |
| FB Reference Voltage | 0.600V ±9mV: Precise feedback threshold ensures tight output regulation down to 0.6V in buck mode. |
| Peak Current Limit | 4.6A typical: Robust overcurrent protection prevents MOSFET failure during short-circuit or overload events. |
| Thermal Shutdown | +170°C with 25°C hysteresis: Ensures reliable recovery after transient thermal excursions without latch-up. |
| Package | 16-pin TQFN-EP (5mm × 5mm): Exposed pad provides 1.7°C/W θJC, critical for maintaining <125°C junction temperature at full load. |
Pinout & Package
Package: 16-pin thermally enhanced TQFN-EP (5mm × 5mm) with exposed pad soldered to SGND for optimal heat transfer (2.7W continuous dissipation).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 - DRAIN | Internal MOSFET drain node | Buck: connects to VIN; Boost: connects to inductor/diode junction - defines topology-specific current path. |
| 3 - COMP | Error amplifier output | Drives external RC compensation network to stabilize loop response and prevent oscillation. |
| 4 - FB | Feedback input | Senses output voltage via resistive divider; 0.6V reference sets regulated VOUT = 0.6V × (1 + R1/R2). |
| 5 - OSC | Frequency set input | ROSC resistor to SGND programs fSW; required even when SYNC is used (must satisfy 0.8×fSYNC ≤ fSW ≤ 1.2×fSYNC). |
| 6 - BYPASS | Reference bypass | Stabilizes 2V internal reference; requires ≥0.22μF ceramic capacitor to SGND for noise immunity. |
| 7 - V+ | Main input supply | Accepts 4.5V–23V; tied to VL for low-voltage operation; bypassed with ≥0.1μF ceramic to SGND. |
| 8 - VL | Internal 5.2V regulator output | Powers internal circuitry; bypassed with 4.7μF to SGND and 0.1μF to PGND; drops under heavy load at high fSW. |
| 9 - CKO | 180°-phase clock output | Logic-level output synchronized to fSW; drives SYNC of second MAX15036 for interleaved two-phase operation. |
| 10 - SGND | Signal ground reference | Return for FB, COMP, OSC, EN, SYNC, RESET; isolated from PGND to minimize noise coupling. |
| 11 - PGND | Power ground node | Common return for input/output capacitors, diode anode, and VL bypass; must be low-inductance connection. |
| 12 - SOURCE | Internal MOSFET source node | Buck: connects to switched inductor node; Boost: connects to PGND - completes power path per topology. |
| 13 - SYNC | External synchronization input | Accepts 200kHz–2.2MHz logic clock; rising edge triggers MOSFET turn-on with fixed propagation delay. |
| 14 - RESET | Open-drain power-on reset | Active-low; asserts until VOUT exceeds 92.5% of setpoint, then holds low for 200ms timeout before going high. |
| 15 - BST/VDD | Bootstrap driver supply | Buck: connects flying capacitor/diode; Boost: bypassed with 0.1μF ceramic to PGND - enables high-side gate drive. |
| 16 - EN | Enable control input | TTL-compatible (2.0V/0.8V thresholds); high = on with digital soft-start; low = shutdown with RESET assertion. |
| EP - Exposed Pad | Thermal & electrical ground | Mandatory solder connection to SGND plane; primary thermal path for 2.7W dissipation in TQFN package. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 150mΩ n-channel MOSFET | Eliminates external high-side switch, reducing BOM count and PCB area in buck/boost designs. |
| Resistor-programmable switching frequency | Enables precise ripple frequency control (200kHz–2.2MHz) without external clock generator. |
| CKO output with 115° phase shift | Supports master/slave interleaving for reduced input/output ripple and doubled effective switching frequency. |
| Digital soft-start (4096 cycles) | Prevents inrush current and output overshoot during startup; programmable via OSC resistor value. |
| Thermal shutdown with hysteresis | Auto-recovers from overheating without manual reset, ensuring robust operation in sealed enclosures. |
| Power-on-reset with 200ms timeout | Provides clean system-level reset signal synchronized to stable output regulation, not just power rail presence. |
Applications
| xDSL Modem Power Supplies | Automotive Radio Power Supplies |
|---|---|
Use Scenario: Provides isolated 3.3V/5V rails from 12V vehicle battery in infotainment head units with strict EMI limits. IC Role / Device Role / Timing Role: Nonsynchronous buck converter generating main logic supply; CKO synchronizes secondary converter for ripple cancellation. Use Value: 2.2MHz operation minimizes inductor size; integrated MOSFET reduces layout complexity; RESET ensures microcontroller boot only after stable VOUT. | Use Scenario: Powers DSP, ADC, and RF front-end in automotive AM/FM/HD Radio modules requiring high PSRR and low noise. IC Role / Device Role / Timing Role: Boost converter stepping 5V USB supply to 12V for tuner ICs; uses DRAIN as low-side switch per MAX15036 topology. Use Value: 5.5V–23V input range accommodates cold-crank transients; 3A capability supports burst-mode audio processing loads. |
| Servers and Networks | IP Phones/WLAN Access Points |
Use Scenario: Generates intermediate 5V/3.3V rails in compact network switches where board space is constrained. IC Role / Device Role / Timing Role: Buck converter with 1.25MHz fSW driving 3.3V FPGA core rail; EN controlled by system management controller. Use Value: 79% efficiency at 1.5A/3.3V reduces thermal load; TQFN-EP package allows dense placement near ASICs. | Use Scenario: Powers VoIP processor, Ethernet PHY, and PoE interface in wall-mounted IP phones with limited heatsinking. IC Role / Device Role / Timing Role: Nonsynchronous buck supplying 1.2V/2A to ARM Cortex-A series SoC; RESET signals boot readiness to firmware. Use Value: Digital soft-start prevents brownout during power-up; -40°C to +125°C rating ensures reliability in unventilated enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DC-DC converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX15037ATE+ | Synchronous buck-only; includes DL driver and PGOOD (no CKO/RESET); 90% efficiency at 1.5A/3.3V vs. 79% for MAX15036. | Requires external low-side MOSFET; unsuitable for boost or nonsynchronous designs. | Select MAX15037ATE+ only when synchronous rectification is mandatory and topology is fixed buck. |
| TPS54331DR | 3A buck-only; 0.8V reference; no integrated MOSFET (external high-side FET required); 500kHz–2.5MHz fSW. | Lacks CKO, RESET, and dual-input range; requires additional components for boost or system monitoring. | Choose TPS54331DR if external FET selection is preferred and CKO/RESET functionality is unnecessary. |
Compared with MAX15037ATE+, the MAX15036ATE/V+ offers unique boost capability and system-level timing control via CKO/RESET, while TPS54331DR trades integration for flexibility in FET selection - making MAX15036ATE/V+ optimal for space-constrained dual-topology or multi-rail synchronization needs.
Availability
MAX15036ATE/V+ is available at Aetrix Electronics and suitable for xDSL modem power supplies, automotive radio power supplies, and IP phone/WLAN access point designs requiring stable component supply, extended temperature operation, and compact DC-DC integration.
Supply support for MAX15036ATE/V+ 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power management ICs for demanding industrial, automotive, and communications applications.
The MAX15036ATE/V+ belongs to Maxim's high-frequency DC-DC converter product line, engineered specifically for compact, thermally efficient point-of-load regulation in systems requiring topology flexibility (buck/boost) and system-level synchronization.
FAQ
What topology configurations does the MAX15036ATE/V+ support?
The MAX15036ATE/V+ supports both nonsynchronous buck and boost topologies. In buck mode, its internal 150mΩ n-channel MOSFET operates as a high-side switch (DRAIN to VIN, SOURCE to inductor); in boost mode, it functions as a low-side switch (DRAIN to inductor/diode, SOURCE to PGND). This dual-role capability is explicitly defined in the Pin Description and Detailed Description sections of the MAX15036ATE/V+ datasheet.
Does the MAX15036ATE/V+ require an external Schottky diode in buck configuration?
Yes, the MAX15036ATE/V+ requires an external Schottky diode in buck configuration because it is a nonsynchronous converter. The internal MOSFET serves only as the high-side switch; the diode provides freewheeling current path during the off-time. Figure 5 in the MAX15036ATE/V+ datasheet shows D2 as the mandatory external Schottky rectifier.
What is the purpose of the CKO pin on the MAX15036ATE/V+?
CKO is a clock output pin on the MAX15036ATE/V+ that delivers a logic-level signal at the same switching frequency as the converter, with a fixed 115° phase shift relative to the SOURCE waveform. It is designed to synchronize a second MAX15036ATE/V+ (or MAX15037ATE+) in master/slave interleaved operation, achieving near 180° phase offset for reduced input/output ripple.
How does the RESET function behave during startup of the MAX15036ATE/V+?
The RESET pin on the MAX15036ATE/V+ is an open-drain active-low output that remains low until the output voltage exceeds 92.5% of its nominal setpoint (e.g., 3.07V for a 3.3V rail), then stays low for a guaranteed 200ms timeout period before transitioning high. This behavior is confirmed in the Electrical Characteristics table (tRP = 140–254ms) and Typical Operating Characteristics (Figure toc17).
What thermal performance can be expected from the MAX15036ATE/V+ in its TQFN package?
The MAX15036ATE/V+ in its 16-pin TQFN-EP (5mm × 5mm) package achieves 2.7W continuous power dissipation with a junction-to-case thermal resistance (θJC) of 1.7°C/W. Its specified operating temperature range is –40°C to +125°C, and thermal shutdown activates at +170°C with 25°C hysteresis - all verified in the Absolute Maximum Ratings and Thermal Shutdown sections of the MAX15036ATE/V+ datasheet.
MAX15036ATE/V+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-WQFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Function:
- Step-Up, Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck, Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 23V
- Voltage - Output (Min/Fixed):
- 0.6V
- Voltage - Output (Max):
- 28V
- Current - Output:
- 3A
- Frequency - Switching:
- 312kHz ~ 2.1MHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TQFN (5x5)
MAX15036ATE/V+ FAQ
1.How can I place an order for MAX15036ATE/V+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX15036ATE/V+ 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 MAX15036ATE/V+ reliable?
The price and inventory of MAX15036ATE/V+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX15036ATE/V+ is usually 5 days.
3.What payment methods are accepted for MAX15036ATE/V+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX15036ATE/V+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX15036ATE/V+?
MAX15036ATE/V+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX15036ATE/V+ 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 MAX15036ATE/V+?
For technical support, including MAX15036ATE/V+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX15036ATE/V+ requirements.
6.How does Aetrix verify that MAX15036ATE/V+ is sourced from the original manufacturer or authorized distributors?
All MAX15036ATE/V+ 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 MAX15036ATE/V+ meets industry standards.
7.What is the process for return or replacement of MAX15036ATE/V+?
All MAX15036ATE/V+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX15036ATE/V+, 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 MAX15036ATE/V+ part is unused and in its original packaging.
Return procedure for MAX15036ATE/V+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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