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  3. LDO Linear Regulators
  4. Positive Linear Regulators (LDO)
  5. ADP7102

Data Sheet Rev. E
PDF
CN Rev. A | JP Rev. A
User Guides
3 View All
Circuit Note
CN | JP 5 View All

Alternative Parts

LT1962
LT1962

300mA, Low Noise, Micropower LDO Regulators

Overview

Features and Benefits

  • Input voltage range:
    3.3 V to 20 V
  • Maximum output current:
    300 mA
  • Low noise: 15 μV rms for fixed output versions
  • PSRR performance of 60 dB at 10 kHz, VOUT = 3.3 V
  • Reverse current protection
  • Low dropout voltage:
    200 mV at 300 mA load
  • Initial accuracy: ±0.8%
  • See data sheet for additional features

Product Details

The ADP7102 is a CMOS, low dropout linear regulator that operates from 3.3 V to 20 V and provides up to 300 mA of output current. This high input voltage LDO is ideal for regulation of high performance analog and mixed signal circuits operating from 19 V to 1.22 V rails. Using an advanced proprietary architecture, it provides high power supply rejection, low noise, and achieves excellent line and load transient response with just a small 1 μF ceramic output capacitor.

The ADP7102 is available in seven fixed output voltage options and an adjustable version, which allows output voltages that range from 1.22 V to VIN − VDO via an external feedback divider.

The ADP7102 output noise voltage is 15 μV rms and is independent of the output voltage. A digital power good output allows power system monitors to check the health of the output voltage. A user programmable precision undervoltage lockout function facilitates sequencing of multiple power supplies.

The ADP7102 is available in 8-lead, 3 mm × 3 mm LFCSP and 8-lead SOIC packages. The LFCSP offers a very compact solution and also provides excellent thermal performance for applications requiring up to 300 mA of output current in a small, low-profile footprint.

APPLICATIONS

  • Regulation to noise sensitive applications:
    ADC, DAC circuits, precision amplifiers, high frequency oscillators, clocks, and phase-locked loops
  • Communications and infrastructure
  • Medical and healthcare
  • Industrial and instrumentation

Product Categories

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Product Lifecycle icon-recommended 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)

Documentation & Resources

  • View All (18)
  • 3rd Party Solutions (2)
  • Data Sheets (1)
  • Application Notes (3)
  • User Guides (3)
  • Solutions Bulletins & Brochures (2)
  • Circuit Note (5)
  • Webcasts (1)
  • Technical Articles (1)
    • Document Type
    Circuit Note

    Tools & Simulations

    LTspice

    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.

    LTspice

    Models for the following parts are available in LTspice:

    ADP7102
    ADP7102-1.5
    ADP7102-1.8
    ADP7102-2.5
    ADP7102-3.0
    ADP7102-3.3
    ADP7102-5.0
    ADP7102-9.0

    Design Tools

    ADI Linear Regulator Design Tool and Parametric Search

    Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.

    Reference Designs (6)

    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
    ADP7102ACPZ-1.5-R7 Material Declaration Reliability Data 8-Lead LFCSP (3mm x 3mm w/ EP)
    ADP7102ACPZ-1.8-R7 Material Declaration Reliability Data 8-Lead LFCSP (3mm x 3mm w/ EP)
    ADP7102ACPZ-2.5-R7 Material Declaration Reliability Data 8-Lead LFCSP (3mm x 3mm w/ EP)
    ADP7102ACPZ-3.0-R7 Material Declaration Reliability Data 8-Lead LFCSP (3mm x 3mm w/ EP)
    ADP7102ACPZ-3.3-R7 Material Declaration Reliability Data 8-Lead LFCSP (3mm x 3mm w/ EP)
    ADP7102ACPZ-5.0-R7 Material Declaration Reliability Data 8-Lead LFCSP (3mm x 3mm w/ EP)
    ADP7102ACPZ-9.0-R7 Material Declaration Reliability Data 8-Lead LFCSP (3mm x 3mm w/ EP)
    ADP7102ACPZ-R7 Material Declaration Reliability Data 8-Lead LFCSP (3mm x 3mm w/ EP)
    ADP7102ARDZ-1.5-R7 Material Declaration Reliability Data 8-Lead SOIC w/ EP
    ADP7102ARDZ-1.8-R7 Material Declaration Reliability Data 8-Lead SOIC w/ EP
    ADP7102ARDZ-2.5-R7 Material Declaration Reliability Data 8-Lead SOIC w/ EP
    ADP7102ARDZ-3.0-R7 Material Declaration Reliability Data 8-Lead SOIC w/ EP
    ADP7102ARDZ-3.3-R7 Material Declaration Reliability Data 8-Lead SOIC w/ EP
    ADP7102ARDZ-5.0-R7 Material Declaration Reliability Data 8-Lead SOIC w/ EP
    ADP7102ARDZ-9.0-R7 Material Declaration Reliability Data 8-Lead SOIC w/ EP
    ADP7102ARDZ-R7 Material Declaration Reliability Data 8-Lead SOIC w/ EP
    Wafer Fabrication Data

    PCN-PDN Information

    Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.

    Select Model for PCN Information
    • ADP7102ACPZ-1.5-R7 Production
    • ADP7102ACPZ-1.8-R7 Production
    • ADP7102ACPZ-2.5-R7 Production
    • ADP7102ACPZ-3.0-R7 Production
    • ADP7102ACPZ-3.3-R7 Production
    • ADP7102ACPZ-5.0-R7 Production
    • ADP7102ACPZ-9.0-R7 Production
    • ADP7102ACPZ-R7 Production

    Support & Discussions

    ADP7102 Discussions

    RE: ADP3338 and ADP3333 replacement for NRND
    RE: ADP7102 ADIsimPower input capacitor error
    AD7980 noise
    All ADP7102 Discussions
    ADP7102 Contact ADI Technical Support »
    ADP7102 Ask your question »
    ADP7102 Contact ADI Technical Support » ADP7102 Ask your question »

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