The LTP7792 is a CMOS low dropout regulator that operates from 2.3 V to 6.5 V and provides up to 2A of output current. This high output current LDO is ideal for regulation of high performance analog and mixed-signal circuits operating from 6 V down to 1.2 V rails. Using an advanced proprietary architecture, the device provides high power supply rejection and low noise, and achieves excellent line and load transient response with just a small 4.7 uF ceramic output capacitor. Load transient response is typically 1.5 us for a 1 mA to 1.5 A load step.

The LTP7792 is available in 17 fixed output voltage options. The following voltages are available from stock: 1.3 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, 4.2 V, and 5.0 V. Additional voltages that are available by special order are: 1.5 V, 1.85 V, 2.0 V, 2.2 V, 2.7 V, 2.75 V, 2.8 V, 2.85 V, 3.8 V, and 4.6 V. An adjustable version is also available that allows output voltages that range from 1.2 V to VIN − VDO with an external feedback divider.

• Operating Input Voltage Range: 2.3 V to 6.5 V

• Maximum Output Current: 2 A

• Low noise: 5 µV rms independent of output voltage at 100 Hz to 100 kHz

• Fast transient response: 1.5 μs for 1 mA to 1.5 A load step

• High Power Supply Ripple Rejection: 60 dB PSRR at 100 kHz

• Low dropout voltage: 135 mV at 2 A load, VOUT = 3 V

• Initial accuracy: −0.8% (minimum), +0.7% (maximum)

• Accuracy over line, load, and temperature: ±1.5%

• Quiescent current, IGND = 0.7 mA with no load

• Low shutdown current: 0.25 μA at VIN = 5 V

• Stable with small 4.7 µF ceramic output capacitor

• Adjustable and fixed output voltage options: 1.2 V to 5.0 V

• Adjustable output from 1.2 V to VIN − VDO

• Precision enable

• Adjustable soft start

• Package: DFN3×3-8

• Regulation to noise sensitive applications: ADC and DAC circuits, precision

• amplifiers, PLLs/VCOs, and clocking ICs

• Communications and infrastructure

• Medical and healthcare

• Industrial and instrumentation