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LDO Regulator Pos 2.6V2.8V 0.3A/0.3A Automotive 10-Pin DFN EP Tube

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ISL78302AARJRZ General Description

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 200mΩ. 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 qualified. The ISL78302A is rated for the automotive temperature range (-40°C to +105°C).

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Key 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 at 100µA (1.5V)
  • Very High PSRR: 90dB at 1kHz
  • Extremely Low Quiescent Current: 47µA (Both LDOs Active)
  • Wide Input Voltage Capability: 2.3V to 6.5V
  • Low Dropout Voltage: Typically 230mV at 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 Qualified.

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Pkg. Type DFN Carrier Type Tube
MOQ 1500


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

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Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
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Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


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ISL78302AARJRZ Datasheet PDF

Preliminary Specification ISL78302AARJRZ PDF Download

ISL78302AARJRZ PDF Preview

Buying Guide

  • What is the lifespan of ISL78302AARJRZ?

    The lifespan of ISL78302AARJRZ depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of ISL78302AARJRZ?

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