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ISL78302A is a high-performance dual LDO capable of

sourcing 300mA current from each output. It has a low

standby current and very high PSRR and is stable with output

capacitance of 1μF to 10μF with ESR of up to 200m?.

The device integrates an individual power-on-reset (POR)

function for each output. The POR delay for VO2 can be

externally programmed by connecting a timing capacitor to the

CPOR pin. The POR delay for VO1 is internally fixed at

approximately 2ms. A reference bypass pin is also provided for

connecting a noise-filtering capacitor for low noise and

high-PSRR applications.

The quiescent current is typically only 47μA with both LDOs

enabled and active. Separate Enable pins control each

individual LDO output. When both Enable pins are low, the

device is in shutdown, typically drawing less than 0.3μA.

The ISL78302A is AEC - Q100 rated. The ISL78302A is rated

for the automotive temperature range (-40°C to +105°C).

Features

? Integrates Two 300mA High-performance LDOs

? Excellent Transient Response to Large Current Steps

? ±1.8 Accuracy Over All Operating Conditions

? Excellent Load Regulation: < 0.1 Voltage Change Across

Full Range of Load Current

? Low Output Noise: Typically 30μVRMS @ 100μA (1.5V)

? Very High PSRR: 90dB @ 1kHz

? Extremely Low Quiescent Current: 47μA (Both LDOs Active)

? Wide Input Voltage Capability: 2.3V to 6.5V

? Low Dropout Voltage: Typically 230mV @ 300mA

? Stable with 1μF to 10μF Ceramic Capacitors

? Separate Enable and POR Pins for Each LDO

? Soft-start and Staged Turn-on to Limit Input Current Surge

During Enable

? Current Limit and Overheat Protection

? Tiny 10 Ld 3mmx3mm DFN Package

? -40°C to +105°C Operating Temperature Range

? Pb-free (RoHS Compliant)

? AEC - Q100 Tested

Applications

? Radio Receivers

? Camera Modules

? GPS/Navigation

? Infotainment Systems