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Analog Devices Inc./Maxim Integrated MAXM15062AMB+
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- Part No.:
- MAXM15062AMB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- DC DC Converters
- Package:
- 10-SMD Module
- Datasheet:
-
MAXM15062AMB+.pdf
- Description:
- DC DC CONVERTER 3.3V
- Quantity:
- Payment:
- Shipping:
Inventory:2,344
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Product details
Overview
The MAXM15062AMB+ from Maxim Integrated is a fixed 3.3V, 300mA synchronous step-down DC-DC power module with integrated controller, MOSFETs, compensation, and inductor in a compact uSLIC™ package. It operates from 4.5V to 60V input, delivers ±1.5% feedback accuracy, features peak-current-mode control, and includes an open-drain RESET output - ideal for industrial sensors and 4–20mA loop-powered systems.
For engineers reviewing the MAXM15062AMB+ datasheet, MAXM15062AMB+ pinout, MAXM15062AMB+ application, or MAXM15062AMB+ equivalent, key selection criteria include its 3.3V fixed output, 4.1ms soft-start, hiccup overcurrent protection, -40°C to +125°C ambient operation, and compliance with CISPR22 Class B emissions - all critical for robust point-of-load regulation in space-constrained industrial designs.
Technical Context
This Himalaya-series module employs peak-current-mode control with internal compensation, enabling stable regulation across wide input (4.5V–60V) and load (0–300mA) ranges without external loop components. Its fixed 3.3V output eliminates feedback resistor networks, simplifying layout while maintaining ±1.5% regulation accuracy over temperature and line.
It integrates a 5V LDO (VCC) powered from VIN, supports programmable EN/UVLO thresholds (1.19V–1.28V rising), and provides prebias startup capability. The open-drain RESET pin asserts low when FB falls below 92% of nominal, with 2ms delay after recovery to 95.5%, ensuring reliable power-good signaling in safety-critical subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5V to 60V - enables direct connection to unregulated industrial rails (e.g., 24V, 48V) without pre-regulation. |
| Output Voltage | Fixed 3.3V ±1.5% - eliminates external feedback resistors and reduces BOM count for standard logic supply rails. |
| Max Output Current | 300mA - sufficient for powering microcontrollers, sensors, and analog front-ends in low-power edge nodes. |
| Switching Frequency | 465kHz to 535kHz - balances efficiency and EMI performance; supports ceramic output capacitors without audible noise. |
| Soft-Start Time | 4.1ms (fixed) - limits inrush current during power-up, protecting upstream supplies and preventing brownouts. |
| Operating Temperature | -40°C to +125°C ambient - validated for deployment in HVAC, building controls, and industrial enclosures without derating. |
| Shutdown Current | 2.2μA (typ) - enables ultra-low-power sleep modes in battery-backed or energy-harvested systems. |
Pinout & Package
Package: 10-pin uSLIC™ (2.6mm × 3mm × 1.5mm), surface-mount, RoHS-compliant, with exposed thermal pad (GND-connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (LX) | Switching node | Internal connection to inductor and high-side/low-side MOSFETs; no external connection required. |
| 2 (GND) | Power ground | Primary return path for power and signal; must be connected to low-impedance PCB ground plane. |
| 3 (RESET) | Open-drain power-good | Asserts low when output drops <92%; goes high-Z 2ms after recovery to >95.5% - used for system reset sequencing. |
| 4 (MODE) | PFM/PWM mode select | Ground for forced PWM; floating for automatic PFM at light loads - optimizes efficiency across load range. |
| 5 (OUT) | Regulated output | 3.3V output node; requires ≥10μF ceramic capacitor to GND for stability and transient response. |
| 6 (FB) | Feedback sense | Connected directly to OUT (no divider) for fixed 3.3V operation - enables precise regulation without external components. |
| 7 (VCC) | LDO output | 5V internal supply; bypassed with ≥1μF ceramic capacitor to GND - powers internal circuitry independently of OUT. |
| 8 (EN/UVLO) | Enable/undervoltage input | Active-high; rising threshold 1.19–1.28V - allows programmable turn-on voltage via resistor divider from VIN. |
| 9–10 (VIN) | Input power | Dual pins for low-inductance connection to 4.5–60V source; require local 1μF ceramic decoupling to GND. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated inductor & MOSFETs | Eliminates 7+ external components (inductor, two MOSFETs, gate drivers, compensation network), reducing design time and board area by >50%. |
| All-ceramic capacitor support | Enables use of small, reliable, low-ESR MLCCs for input/output filtering - no electrolytics needed, improving lifetime and temperature stability. |
| Hiccup overcurrent protection | Shuts down and auto-retries on sustained overload - protects against short circuits without latch-up or manual reset. |
| CISPR22 Class B compliance | Meets conducted/radiated EMI limits without external filters - simplifies EMC certification for industrial equipment. |
| Prebias startup capability | Allows safe start-up into precharged output rails - prevents reverse current flow and ensures controlled ramp-up in hot-swap or backup-power scenarios. |
Applications
| Industrial Sensors and Encoders | 4–20mA Current-Loop Powered Sensors |
|---|---|
Use Scenario: Powering rotary encoders and analog pressure/temperature transmitters in factory automation cabinets. IC Role / Device Role / Timing Role: Primary 3.3V point-of-load regulator converting 24V rail to clean, regulated supply for sensor ICs and ADCs. Use Value: Delivers stable 3.3V at up to 300mA with ±1.5% accuracy over -40°C to +125°C, ensuring consistent sensor calibration and digital interface timing. | Use Scenario: Supplying 3.3V to loop-powered smart sensors where power is derived from the 4–20mA loop itself. IC Role / Device Role / Timing Role: Efficient step-down converter operating from low headroom (e.g., 12V–24V loop drop) to power microcontroller and signal chain. Use Value: 2.2μA shutdown current extends loop compliance margin; PFM mode maintains >85% efficiency at 10mA load typical in quiescent sensor states. |
| LDO Replacement | HVAC and Building Control |
Use Scenario: Replacing discrete LDOs in legacy designs where input voltage exceeds 6V and dropout is problematic. IC Role / Device Role / Timing Role: High-input-voltage buck regulator delivering 3.3V with near-constant efficiency regardless of VIN (4.5V–60V). Use Value: Achieves >90% efficiency at 300mA (vs. <50% for LDOs at 24V→3.3V), eliminating heat sinks and enabling smaller enclosures. | Use Scenario: Powering wireless thermostat modules and zone controllers in commercial HVAC systems. IC Role / Device Role / Timing Role: Primary DC-DC converter supplying 3.3V to RF SoCs, display drivers, and environmental sensors from 24V AC/DC adapter. Use Value: Robust -40°C to +125°C operation ensures reliability in attic-mounted units; CISPR22 Class B compliance avoids interference with wireless comms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down power module applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAXM15063AMB+ | Fixed 5V output; identical package, pinout, and electrical specs except FB and VOUT settings. | Used where 5V logic or USB peripherals require primary supply instead of 3.3V. | Select MAXM15063AMB+ only if system requires 5V - not a drop-in replacement due to different output voltage. |
| RT6220AGQW | 3.3V fixed-output buck module (300mA), 2.5mm × 2.5mm QFN, no integrated inductor - requires external 1.5μH inductor. | Suitable for cost-sensitive designs where board area is less constrained and inductor selection flexibility is desired. | Choose RT6220AGQW if external inductor placement is acceptable and footprint priority is secondary to BOM cost. |
Compared with MAXM15062AMB+, the MAXM15063AMB+ offers identical form-factor and thermal performance but targets 5V systems, while the RT6220AGQW trades integration for lower component cost and greater inductor customization - making MAXM15062AMB+ optimal for space-constrained, high-reliability 3.3V industrial POE applications.
Availability
MAXM15062AMB+ is available at Aetrix Electronics and suitable for industrial sensors and encoders, 4–20mA current-loop powered sensors, and HVAC and building control systems requiring stable component supply, long-term lifecycle support, and guaranteed traceability.
Supply support for MAXM15062AMB+ 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 industrial, automotive, and communications markets.
The Himalaya series - including MAXM15062AMB+ - was engineered to replace complex discrete DC-DC designs with fully integrated, thermally optimized power modules for harsh-environment industrial applications.
FAQ
What is the output voltage tolerance of the MAXM15062AMB+ under full load and temperature extremes?
The MAXM15062AMB+ maintains a fixed 3.3V output with ±1.5% regulation accuracy over the full -40°C to +125°C ambient temperature range and 0–300mA load, as specified in the Electrical Characteristics table under "FB-Regulation Voltage" for MODE = unconnected. This tolerance includes line, load, and temperature effects - no external trimming is required.
Does the MAXM15062AMB+ support prebias startup, and how is it verified?
Yes, the MAXM15062AMB+ supports prebias startup, confirmed in the Typical Operating Characteristics section (toc53, toc59, toc60). When enabled via EN/UVLO, it safely ramps the output from a precharged state (e.g., 2V on OUT) without reverse current or output overshoot - critical for hot-swap and redundant power architectures.
What is the recommended input capacitance for the MAXM15062AMB+, and why?
The datasheet specifies a minimum 1μF ceramic capacitor from each VIN pin to GND, placed as close as possible to pins 9–10. This value ensures stable switching operation and minimizes high-frequency input ripple; larger values (e.g., 2.2μF–4.7μF) may further reduce ripple but are not required for basic functionality or EMI compliance.
How does the RESET pin of the MAXM15062AMB+ behave during undervoltage conditions?
The RESET pin of the MAXM15062AMB+ is an open-drain output that pulls low when the FB voltage drops below 92% of its nominal setpoint (3.3V), indicating output undervoltage. After FB recovers above 95.5%, RESET remains low for 2ms before going high-impedance - providing clean, debounced power-good signaling for microcontroller reset inputs.
Can the MAXM15062AMB+ operate in forced PWM mode, and how is it configured?
Yes, the MAXM15062AMB+ can operate in forced PWM mode by connecting the MODE pin (pin 4) to GND. In this configuration, the module switches at a fixed frequency of 465–535kHz across all load conditions - eliminating PFM frequency variation and associated EMI spread, which is beneficial for noise-sensitive analog or RF subsystems.
MAXM15062AMB+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- Himalaya
- Package/Case:
- 10-SMD Module
- Packaging:
- Strip
- Product Status:
- Active
- Type:
- Non-Isolated PoL Module
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 60V
- Voltage - Output 1:
- 3.3V
- Voltage - Output 2:
- -
- Voltage - Output 3:
- -
- Voltage - Output 4:
- -
- Current - Output (Max):
- 300mA
- Power (Watts):
- -
- Voltage - Isolation:
- -
- Applications:
- ITE (Commercial)
- Features:
- OCP, OTP, SCP, UVLO
- Operating Temperature:
- -40°C ~ 125°C
- Efficiency:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-eMGA (3x2.6)
- Control Features:
- -
- Approval Agency:
- -
- Standard Number:
- -
MAXM15062AMB+ FAQ
1.How can I place an order for MAXM15062AMB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAXM15062AMB+ 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 MAXM15062AMB+ reliable?
The price and inventory of MAXM15062AMB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAXM15062AMB+ is usually 5 days.
3.What payment methods are accepted for MAXM15062AMB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAXM15062AMB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAXM15062AMB+?
MAXM15062AMB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAXM15062AMB+ 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 MAXM15062AMB+?
For technical support, including MAXM15062AMB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAXM15062AMB+ requirements.
6.How does Aetrix verify that MAXM15062AMB+ is sourced from the original manufacturer or authorized distributors?
All MAXM15062AMB+ 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 MAXM15062AMB+ meets industry standards.
7.What is the process for return or replacement of MAXM15062AMB+?
All MAXM15062AMB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAXM15062AMB+, 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 MAXM15062AMB+ part is unused and in its original packaging.
Return procedure for MAXM15062AMB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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