ADP5304ACPZ-1-R7 Internal Power Switch Buck Regulators by Analog Devices

Status: Production
Series: ADP5304
RoHS: Compliant
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The ADP5304 is a high efficient, ultralow quiescent current step-down regulator that draws only 260 nA of quiescent current to regulate the output at no load.The ADP5304 runs from an input voltage range of 2.15 V to 6.50 V, allowing the use of the multiple alkaline, NiMH, and Lithium cells, or the use of a high impedance power source. The output voltage is selectable from 0.8 V to 5.0 V by an external VID resistor to ground. The total solution requires only four tiny external components.The ADP5304 operates in hysteresis mode via connecting the MODE pin to ground. In hysteresis mode, the regulator achieves excellent efficiency at a power of less than 1 mW and provides up to 50 mA of output load. The device enables very efficient power management to achieve the collection of small amounts of energy from the high impedance battery or the energy harvester to charge up the conventional capacitor or super capacitor.The ADP5304 integrates an ultralow power comparator with a factory programmable voltage reference to monitor the voltage of the input power source. The voltage reference, with hysteresis, is the threshold for the stopping and starting of switching, allowing the use of the high impedance power source.Other key features of the ADP5304 include separate enabling and an output discharge function (QOD). Safety features, such as overcurrent protection, thermal shutdown (TSD), and input undervoltage (UVLO), are also included.The ADP5304 is available in 10-lead, 3 mm × 3 mm LFCSP package rated for the −40°C to +125°C junction temperature range.

Where to Buy

Prices starting from US$1.75

Distributor Stock
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Analog Devices
from US$1.75
3,257
in stock
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Richardson RFPD
from US$2.42
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Features

Input start-up voltage range: 2.15 V to 6.50 V 
Operation down to 2.00 V 
Ultralow, 260 nA quiescent current with no load
Selective output voltage from 1.2 V to 3.6 V (or 0.8 V to 5.0 V)
±2.5% output accuracy over the full temperature range
Selectable hysteresis or pulse-width modulation (PWM) operation mode
Output current up to 50 mA in hysteresis mode
VINOK flag to monitor the input voltage
Ultrafast stop switching control
100% duty cycle operation mode
Quick output discharge (QOD) option
Undervoltage lockout (UVLO), OCP, and thermal shutdown (TSD) protection
10-lead, 3 mm × 3 mm LFCSP package
−40°C to +125°C operating junction temperature range

Alternative Descriptions

ULP Buck VINOK3V, 50mA/500mA | Analog Devices
SWITCHING REGULATOR MODULE | Richardson RFPD


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ADP5304ACPZ-1-R7?

Additional datasheets, footprints and schematics for ADP5304ACPZ-1-R7 are listed on our Part Details page. You can also find images and similar parts to ADP5304ACPZ-1-R7 on this page.

What pricing and inventory information can I view?

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What category does ADP5304ACPZ-1-R7 fall under?

The ADP5304ACPZ-1-R7 is listed under Internal Power Switch Buck Regulators.

Can I view similar or alternative parts?

You can view similar parts to ADP5304ACPZ-1-R7 when available in the Internal Power Switch Buck Regulators range under the specifications section at the bottom of the details page.

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Submit any questions directly to the customer support team of the distributor listing the product. For the ADP5304ACPZ-1-R7 you can contact the distributor directly for product support, shipping queries etc.

Is the ADP5304ACPZ-1-R7 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for ADP5304ACPZ-1-R7 have stock available?

Authorised distributors including Analog Devices and Richardson RFPD have stock available or on a lead time for ADP5304ACPZ-1-R7.

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