TPS7A1112PDRVR

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1. Describe

The TPS7A1112PDRVR is an ultra-small, low quiescent current, low dropout voltage regulator (LDO). The device can source 500 mA with excellent AC performance (load and line transient response). The device has an input range of 0.75 V to 3.3 V and an output range of 0.5 V to 3.0 V with very high 1.5% accuracy over overload, line and temperature. This performance is ideal for powering modern lower core voltage microcontrollers (MCUs) and analog sensors. The main power path is through the IN pin and can be connected to supplies as low as 140 mV above the output voltage. The device is very supportive of low input voltages and uses an additional VBIAS rail for powering the internal circuits I would. Very low consumption on IN and BIAS pins Quiescent currents are 1.6 µA and 6 µA, respectively. Low IQ and ultra-low dropout features help Improve solution efficiency in power-sensitive applications. For example, supply The voltage at the IN pin can be the output of a high-efficiency DC/DC buck regulator and BIAS The pin supply voltage can be a rechargeable battery. TPS7A11 with active pull-down circuit quickly discharges the output when disabled, and provides a known startup state. The TPS7A11 uses a small 2.00-mm × 2.00- mm WSON, 6-lead (DRV) package and ultra-small 0.74mm × 1.09mm, 5-Pin DSBGA (YKA) Package This makes the device suitable for use in space-constrained application.

2. Feature

    1. Ultra-low input voltage range: 0.75 V to 3.3 V

    2. Ultra-low dropout for minimal power loss:

        – 140mV (max) at 500mA DRV package

        – 110mV (max) in 500mA YKA package

    3. Low quiescent current:

        – VIN IQ = 1.6 µA (typ)

        – VBIAS IQ = 6 µA (typ.)

    4. 1.5% load, line and temperature accuracy

    5. High PSRR: 64 dB at 1 kHz

    6. Provides a fixed output voltage:

        – 0.5 V to 3.0 V in 50 mV steps

    7. VBIAS range: 1.7 V to 5.5 V

    8. Bag:

        – 2.0mm × 2.0mm WSON (6)

        – 0.74mm × 1.09mm DSBGA (5)

    9. Active output discharge

3. Application

    1. Smart watches, fitness trackers

    2. Wireless headphones and earbuds

    3. Camera module

    4. Smartphones and tablets

    5. Portable medical equipment

    6. Solid State Drive (SSD)

4. Pin configuration

5. Pin Description