ADP7118AUJZ-1.8-R7

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1. DESCRIPTION

The  ADP7118AUJZ-1.8-R7 is a CMOS, low dropout (LDO) linear regulator that operates from 2.7 V to 20 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 19 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 ADP7118AUJZ-1.8-R7 regulator output noise is 11 μV rms independent of the output voltage for the fixed options of 5 V or less. The  ADP7118AUJZ-1.8-R7 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, 4.5 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 ADP7118 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  ADP7118AUJZ-1.8-R7 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 ADP7118AUJZ-1.8-R7 is also available in a 5-lead TSOT and an 8-lead SOIC.

2. FEATURES

    1. Low noise: 11 µV rms independent of fixed output voltage

    2. PSRR of 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz, VOUT ≤ 5 V, VIN = 7 V

    3. Input voltage range: 2.7 V to 20 V

    4. Maximum output current: 200 mA

    5. Initial accuracy: ±0.8%

    6. Accuracy over line, load, and temperature

        - −1.2% to +1.5%, TJ = −40°C to +85°C

        - ±1.8%, TJ = −40°C to +125°C

    7. Low dropout voltage: 200 mV (typical) at a 200 mA load, VOUT = 5 V

    8. User programmable soft start (LFCSP and SOIC only)

    9. Low quiescent current, IGND = 50 μA (typical) with no load

  10. Low shutdown current: 1.8 μA at VIN = 5 V, 3.0 μA at VIN = 20 V Stable with a small 2.2 µF ceramic output capacitor

  11. Fixed output voltage options: 1.8V, 2.5V, 3.3V, 4.5 V, and 5.0V 16 standard voltages between 1.2 V and 5.0 V are available

  12. Adjustable output from 1.2 V to VIN – VDO, output can be adjusted above initial set point

  13. Precision enable

  15. 2 mm × 2 mm, 6-lead LFCSP, 8-Lead SOIC, 5-Lead TSOT

  16. AEC-Q100 qualified for automotive applications

3. APPLICATIONS

    1. Regulation to noise sensitive applications 

    2. ADC and DAC circuits, precision amplifiers, power for VCO VTUNE control

    3. Communications and infrastructure

    4. Medical and healthcare

    5. Industrial and instrumentation    

    6. Supported by ADIsimPower tool