1. Products
  2. Power Management
  3. Switching Regulators
  4. Inverting Regulators
  5. MAX776


Features and Benefits

  • 85% Efficiency for 5mA to 1A Load Currents
  • Up to 5W Output Power
  • 100µA (max) Supply Current
  • 5µA (max) Shutdown Current
  • 3V to 16.5V Input Range
  • -5V (MAX774), -12V (MAX775), -15V (MAX776), or Adjustable Output Voltage
  • Current-Limited PFM Control Scheme
  • 300kHz Switching Frequency

Product Details

The MAX774/MAX775/MAX776 inverting switching regulators deliver high efficiency over three decades of load current. A unique current-limited, pulse-frequency modulated (PFM) control scheme provides the benefits of pulse-width modulation (high efficiency with heavy loads), while using less than 100µA of supply current (vs. 2mA to 10mA for PWM converters). The result is high efficiency over a wide range of loads.

These ICs also use tiny external components; their high switching frequency (up to 300kHz) allows for less than 5mm diameter surface-mount magnetics.

The MAX774/MAX775/MAX776 accept input voltages from 3V to 16.5V, and have preset output voltages of -5V, -12V, and -15V, respectively. Or, the output voltage can be user-adjusted with two resistors. Maximum VIN - VOUT differential voltage is limited only by the break-down voltage of the chosen external switch transistor.

These inverters use external P-channel MOSFET switches, allowing them to power loads up to 5W. If less power is required, use the MAX764/MAX765/MAX766 inverting switching regulators with on-board MOSFETs.


  • Battery-Powered Applications
  • Data Communications
  • High-Efficiency DC-DC Converters
  • LCD Bias Generators

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Product Recommendations

MAX776 Companion Parts

Recommended Related Parts

Design Resources

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 Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
MAX776CPA+ Material Declaration Reliability Data Plastic Dual-In-Line, Narrow (0.3in)
MAX776CSA+ Material Declaration Reliability Data Small-Outline IC, Narrow (0.15in)
MAX776CSA+T Material Declaration Reliability Data Small-Outline IC, Narrow (0.15in)
MAX776ESA+ Material Declaration Reliability Data Small-Outline IC, Narrow (0.15in)
MAX776ESA+T Material Declaration Reliability Data Small-Outline IC, Narrow (0.15in)
Wafer Fabrication Data

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Buy Now Pricing

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List Pricing

(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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