ADP7142 40 V, 200 mA, Low Noise, CMOS LDO Linear Regulator

The ADP7142 is a CMOS, low dropout (LDO) linear regulator that operates from 2.7 V to 40 V and provides up to 200 mA of output current. This high input voltage LDO is ideal for the regulation of high performance analog and mixed signal circuits operating from 40 V down to 1.2 V rails. Using an advanced proprietary architecture, the device provides high power supply rejection, low noise, and achieves excellent line and load transient response with a small 2.2 µF ceramic output capacitor. The ADP7142 regulator output noise is 11 μV rms independent of the output voltage for the fixed options of 5 V or less.

The ADP7142 is available in 16 fixed output voltage options. The following voltages are available from stock: 1.2 V (adjustable), 1.8 V, 2.5 V, 3.3 V, and 5.0 V. Additional voltages available by special order are 1.5 V, 1.85 V, 2.0 V, 2.2 V, 2.75 V, 2.8 V, 2.85 V, 3.8 V, 4.2 V, and 4.6 V.

Each fixed output voltage can be adjusted above the initial set point with an external feedback divider. This allows the ADP7142 to provide an output voltage from 1.2 V to VIN − VDO with high PSRR and low noise.

User programmable soft start with an external capacitor is available in the LFCSP and SOIC packages.

The ADP7142 is available in a 6-lead, 2 mm × 2 mm LFCSP making it not only a very compact solution, but it also provides excellent thermal performance for applications requiring up to 200 mA of output current in a small, low profile footprint. The ADP7142 is also available in a 5-lead TSOT and an 8-lead SOIC.

Applications

Features and Benefits
  • Low noise: 11 µV rms independent of fixed output voltage
  • PSRR of 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz,
    • VOUT ≤ 5 V, VIN = 7 V
  • VOUT ≤ 5 V, VIN = 7 V
  • Input voltage range: 2.7 V to 40 V
  • Maximum output current: 200 mA
  • Initial accuracy: ±0.8%
  • Accuracy over line, load, and temperature
    • ±1.1%, TJ = −40°C to +85°C
    • ±1.8%, TJ = −40°C to +125°C
  • ±1.1%, TJ = −40°C to +85°C
  • ±1.8%, TJ = −40°C to +125°C
  • Low dropout voltage: 200 mV (typical) at a 200 mA load,
    • VOUT = 5 V
  • VOUT = 5 V
  • User programmable soft start (LFCSP and SOIC only)
  • Low quiescent current, IGND = 50 μA (typical) with no load
  • Low shutdown current: 1.8 μA atVIN = 5 V, 3.0 μA atVIN = 40 V
  • Stable with a small 2.2 µF ceramic output capacitor
  • See data sheet for additional features
    • Power Management
    Design Tools
    Data Sheets
    Documentnote
    ADP7142: 40 V, 200 mA, Low Noise, CMOS LDO Linear Regulator Data Sheet (Rev. C)PDF 894.61 K
    Application Notes
    Documentnote
    AN-1359: Low Noise, Dual-Supply Solution Using the ADP5070 for the Precision AD5761R Bipolar DAC in Single-Supply Systems (Rev. A)PDF 0.99 M
    User Guides
    Documentnote
    UG-616: Evaluating the ADP7118/ADP7142 20 V/40 V, 200 mA, Low Noise, CMOS LDOSPDF 1.25 M
    Order Information
    Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
    ADP7142ACPZN-R7 Production6 ld LFCSP (2x2 w/1x1.6 EP)REEL 3000-40 to 125C01.1Y
    ADP7142ACPZN1.8-R7 Production6 ld LFCSP (2x2 w/1x1.6 EP)REEL 3000-40 to 125C01.1Y
    ADP7142ACPZN2.5-R7 Production6 ld LFCSP (2x2 w/1x1.6 EP)REEL 3000-40 to 125C01.1Y
    ADP7142ACPZN3.3-R7 Production6 ld LFCSP (2x2 w/1x1.6 EP)REEL 3000-40 to 125C01.1Y
    ADP7142ACPZN5.0-R7 Production6 ld LFCSP (2x2 w/1x1.6 EP)REEL 3000-40 to 125C01.1Y
    ADP7142ARDZ Production8 ld SOIC-EPOTH 98-40 to 125C1.291.1Y
    ADP7142ARDZ-1.8 Production8 ld SOIC-EPOTH 98-40 to 125C1.291.1Y
    ADP7142ARDZ-1.8-R7 Production8 ld SOIC-EPREEL 1000-40 to 125C01.1Y
    ADP7142ARDZ-2.5 Production8 ld SOIC-EPOTH 98-40 to 125C1.291.1Y
    ADP7142ARDZ-2.5-R7 Production8 ld SOIC-EPREEL 1000-40 to 125C01.1Y
    ADP7142ARDZ-3.3 Production8 ld SOIC-EPOTH 98-40 to 125C1.291.1Y
    ADP7142ARDZ-3.3-R7 Production8 ld SOIC-EPREEL 1000-40 to 125C01.1Y
    ADP7142ARDZ-5.0 Production8 ld SOIC-EPOTH 98-40 to 125C1.291.1Y
    ADP7142ARDZ-5.0-R7 Production8 ld SOIC-EPREEL 1000-40 to 125C01.1Y
    ADP7142ARDZ-R7 Production8 ld SOIC-EPREEL 1000-40 to 125C01.1Y
    ADP7142AUJZ-1.8-R7 Production5 ld TSOTREEL 3000-40 to 125C01.1Y
    ADP7142AUJZ-2.5-R7 Production5 ld TSOTREEL 3000-40 to 125C01.1Y
    ADP7142AUJZ-3.3-R7 Production5 ld TSOTREEL 3000-40 to 125C01.1Y
    ADP7142AUJZ-5.0-R7 Production5 ld TSOTREEL 3000-40 to 125C01.1Y
    ADP7142AUJZ-R2 Contact ADI5 ld TSOTREEL 250-40 to 125C1.291.29Y
    ADP7142AUJZ-R7 Production5 ld TSOTREEL 3000-40 to 125C01.1Y
    Evaluation Boards
    Part NumberDescriptionPriceRoHS
    ADP7118CP-EVALZLFCSP Evaluation Board49Y
    ADP7118RD-EVALZSOIC Evaluation Baord49Y
    ADP7118UJ-EVALZTSOT Evaluation Board49Y
    ADP7142CP-EVALZLFCSP Evaluation Board49Y
    ADP7142RD-EVALZSOIC Evaluation Board49Y
    ADP7142UJ-EVALZTSOT Evaluation Board49Y
    Reference Materials
    ADP7142：40 V 、 200 mA 、低噪声、 CMOS LDO 线性稳压器 (Rev. C) adp7142
    ADP7142: 40 V, 200 mA, Low Noise, CMOS LDO Linear Regulator Data Sheet (Rev. C) adp7142
    ADI Linear Regulator Design Tool and Parametric Search adp2108
    AN-1359: Low Noise, Dual-Supply Solution Using the ADP5070 for the Precision AD5761R Bipolar DAC in Single-Supply Systems (Rev. adp5070
    UG-616: Evaluating the ADP7118/ADP7142 20 V/40 V, 200 mA, Low Noise, CMOS LDOS adp7118
    Ultralow Noise, High Rejection Low Dropout Regulators adp1740
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