MAX766
PRODUCTION-5V/-12V/-15V or Adjustable, High-Efficiency, Low-IQ DC-DC Inverters
Internal Power MOSFET Reduces Component Count and Saves Space
- Part Models
- 6
- 1ku List Price
- Starting From $4.65
Overview
- High Efficiency for a Wide Range of Load Currents
- 250mA Output Current
- 120µA Max Supply Current
- 5µA Max Shutdown Current
- 3V to 16V Input Voltage Range
- -5V (MAX764), -12V (MAX765), -15V (MAX766), or Adjustable Output from -1V to -16V
- Current-Limited PFM Control Scheme
- 300kHz Switching Frequency
- Internal, P-Channel Power MOSFET
The MAX764/MAX765/MAX766 inverting switching regulators are highly efficient over a wide range of load currents, delivering up to 1.5W. A unique, current-limited, pulse-frequency-modulated (PFM) control scheme combines the benefits of traditional PFM converters with the benefits of pulse-width-modulated (PWM) converters. Like PWM converters, the MAX764/MAX765/MAX766 are highly efficient at heavy loads. Yet because they are PFM devices, they use less than 120µA of supply current (vs. 2mA to 10mA for a PWM device).
The input voltage range is 3V to 16V. The output voltage is preset at -5V (MAX764), -12V (MAX765), or -15V (MAX766); it can also be adjusted from -1V to -16V using two external resistors (Dual Mode™). The maximum operating VIN - VOUT differential is 20V.
These devices use miniature external components; their high switching frequencies (up to 300kHz) allow for less than 5mm diameter surface-mount magnetics. A standard 47µH inductor is ideal for most applications, so no magnetics design is necessary.
An internal power MOSFET makes the MAX764/MAX765/ MAX766 ideal for minimum component count, low- and medium-power applications. For increased output drive capability or higher output voltages, use the MAX774/MAX775/MAX776 or MAX1774, which drive an external power P-channel MOSFET for loads up to 5W.
Applications
- Battery-Powered Applications
- LAN Adapters
- LCD Bias Generators
- Portable Instrumentation
- Remote Data-Acquisition Systems
Documentation
Data Sheet 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX766CPA+ | PDIP | ||
| MAX766CSA+ | Small-Outline IC Narrow (0.15in) | ||
| MAX766CSA+T | Small-Outline IC Narrow (0.15in) | ||
| MAX766EPA+ | PDIP | ||
| MAX766ESA+ | Small-Outline IC Narrow (0.15in) | ||
| MAX766ESA+T | Small-Outline IC Narrow (0.15in) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Dec 9, 2025 - 2444 WAFER FAB |
||
| MAX766CPA+ | PRODUCTION | |
| MAX766CSA+ | PRODUCTION | |
| MAX766CSA+T | PRODUCTION | |
| MAX766EPA+ | PRODUCTION | |
| MAX766ESA+ | PRODUCTION | |
| MAX766ESA+T | PRODUCTION | |
|
May 22, 2018 - 1702N ASSEMBLY |
||
| MAX766CSA+ | PRODUCTION | |
| MAX766CSA+T | PRODUCTION | |
| MAX766ESA+ | PRODUCTION | |
| MAX766ESA+T | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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Evaluation Kits
Evaluation Kit for the MAX764, MAX765, MAX766
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