MAX15059BATE+ Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
The MAX15059BATE+ is a current-mode PWM switching regulator operating from a 2.8 V to 5.5 V input, with an adjustable mode extending operation from 7.8 V to 76 V for flexible boost or SEPIC topologies. Housed in a compact 16-pin 3x3 mm LFCSP QFN package, it delivers efficient DC-DC conversion for portable, industrial, and LED driver designs.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- MAX15059BATE+ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control for fast transient response and inherent overcurrent protection
- Standard input range of 2.8 V to 5.5 V with adjustable mode extending to 76 V
- Compact 16-pin LFCSP 3x3x0.75 mm package for space-constrained high-density designs
- Supports boost, SEPIC, and other flexible switching topologies
- 3.3 V nominal input suits direct operation from USB and single-cell Li-ion supplies
- Introduced in 2010 with proven production history for reliable long-term sourcing
Applications
The MAX15059BATE+ is used in portable consumer electronics, industrial sensor modules, and LED driver circuits requiring efficient step-up or SEPIC conversion from low-voltage sources such as USB 5 V or Li-ion cells. Its 2.8 V to 5.5 V standard input range and adjustable extension to 76 V output allow a single design to address a wide variety of load voltage requirements. It also suits white LED backlighting, telecom auxiliary rails, and battery-powered test instruments where compact size and high flexibility are priorities.
Specifications
| Manufacturer Package Code | 16-LFCSP-3X3X0.75 |
| Date Of Intro | 2010-06-03 |
| YTEOL | 10 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 7.8V TO 76V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.8V |
| Input Voltage-Nom | 3.3V |
| JESD-30 Code | S-XQCC-N16 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.975A |
| Output Voltage-Max | 76V |
| Output Voltage-Min | 7.8V |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC16,.12SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 1.35mA |
| Surface Mount | YES |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 420kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## MAX15059BATE+ Alternates Showing results | Image |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MAX15059BATE+:
suggested
suggested
Frequently Asked Questions
How does MAX15059BATE+ support both 3.3 V USB-powered and 24 V industrial bus designs in the same PCB?
In standard mode, MAX15059BATE+ accepts a 2.8 V to 5.5 V input, directly compatible with USB 5 V and Li-ion battery supplies. By switching to adjustable mode, the effective input or output range extends from 7.8 V to 76 V, enabling the same controller to regulate higher-voltage industrial rails. Designers can configure one PCB for both supply environments by changing only the external resistor divider and inductor values.
What are the PCB space advantages of the 16-pin LFCSP 3x3 mm package compared to SOIC alternatives?
The 16-pin LFCSP measures 3 mm x 3 mm x 0.75 mm body size with an exposed thermal pad, occupying approximately 9 mm² of board area compared to a 16-pin SOIC which typically requires over 60 mm² including courtyard. This 85% footprint reduction allows more power stages to be integrated on space-constrained boards such as wearable battery chargers, drone ESC modules, and multi-rail IoT power supplies.
For driving a 48 V LED string from a 3.3 V rail, is MAX15059BATE+ a suitable boost controller?
Yes. In adjustable mode, MAX15059BATE+ can regulate output voltages up to 76 V, which comfortably covers a 48 V LED string. With a 3.3 V nominal input and current-mode PWM control, it can achieve the high boost ratio needed while maintaining good efficiency and fast transient response. The 16-pin LFCSP package supports tight inductor and switch placement to minimize switching noise and parasitic inductance in the LED driver loop.
Does current-mode control in MAX15059BATE+ provide protection if the output is accidentally shorted?
Yes. Current-mode PWM control gives MAX15059BATE+ inherent cycle-by-cycle peak current limiting, which clamps the inductor current on every switching cycle during a fault condition. This prevents inductor saturation and limits switch stress to within the rated current threshold, typically a few hundred milliamps depending on the external sense resistor setting. The protection engages within one switching cycle, typically under 1 µs response time at frequencies above 1 MHz.
What lifecycle risks should procurement teams assess when sourcing MAX15059BATE+ for 10-year product programs?
The YTEOL indicator of 10 suggests the MAX15059BATE+ is in a stable active lifecycle phase with approximately 10 years of estimated supply continuity from Analog Devices. For 10-year product programs, procurement should qualify a secondary distributor, review the last-time-buy policy, and monitor Analog Devices product change notices annually. The 16-pin LFCSP footprint is shared by several Maxim/ADI regulators, which may ease migration to a successor part if needed.
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Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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