Features and Benefits
- Wide input voltage range:
2.85 V to 15 V
- Adjustable negative output to VIN − 39 V
- Integrated 800 mA main switch
- 1.2 MHz/2.4 MHz switching frequency with optional external frequency synchronization from 1.0 MHz to 2.6 MHz
- Resistor programmable soft start timer
- Slew rate control for lower system noise
- Precision enable control
- UVLO, OCP, OVP, and TSD protection
- 1.61 mm × 2.18 mm, 12-ball WLCSP
- −40°C to +125°C junction temperature
- Supported by the ADIsimPower tool set
The ADP5075 is a high performance dc-to-dc inverting regulator used to generate negative supply rails.
The input voltage range of 2.85 V to 15 V supports a wide variety of applications. The integrated main switch enables the generation of an adjustable negative output voltage down to 39 V below the input voltage.
The ADP5075 operates at a pin selected 1.2 MHz/2.4 MHz switching frequency. The ADP5075 can synchronize with an external oscillator from 1.0 MHz to 2.6 MHz to ease noise filtering in sensitive applications. The regulator implements programmable slew rate control circuitry for the MOSFET driver stage to reduce electromagnetic interference (EMI).
The ADP5075 includes a fixed internal or resistor programmable soft start timer to prevent inrush current at power-up. During shutdown, the regulator completely disconnects the load from the input supply to provide a true shutdown.
Other key safety features in the ADP5075 include overcurrent protection (OCP), overvoltage protection (OVP), thermal shutdown (TSD), and input undervoltage lockout (UVLO).
The ADP5075 is available in a 12-ball WLCSP and is rated for a −40°C to +125°C junction temperature range.Applications
- Bipolar amplifiers, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and multiplexers
- Charge coupled device (CCD) bias supplies
- Optical module supplies
- Radio Frequency (RF) power amplifier (PA) bias
Product Lifecycle Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
The ADP5075CB-EVALZ evaluation board demonstrates the functionality of the ADP5075 dc-to-dc converter.
The board can be used to evaluate simple device measurements, such as line regulation, load regulation, and efficiency. Device features, such as selectable operating frequency, soft start, and slew rate control can also be evaluated. The evaluation board accepts input voltages within the tolerance of standard 3.3 V to 5 V dc levels.
For more details about the dc-to-dc converter, refer to the ADP5075 data sheet, which must be consulted in conjunction with the user guide when using the evaluation board.
Documentation & Resources
Tools & Simulations
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Models for the following parts are available in LTspice:
Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
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|
|ADP5075ACBZ-R7||Material Declaration||Reliability Data||12-Ball WLCSP (1.64mm x 1.44mm)|
|Wafer Fabrication Data|
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Sample & Buy
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Buy Now Pricing
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.