ADP5302-EVALZ Internal Power Switch Buck Regulators by Analog Devices

Status: Production
Series: ADP5302
RoHS: Compliant
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The ADP5302 is a high efficiency, ultralow quiescent current step-down regulator that draws only 240 nA quiescent current to regulate the output at no load.The ADP5302 runs from an input voltage of 2.15 V to 6.50 V, allowing the use of multiple alkaline or NiMH cells, Li-Ion cells, or other power sources. The output voltage is selectable from 0.8 V to 5.0 V by an external, dynamic voltage identification (VID) resistor and a factory fuse. The total solution requires only four tiny external components.The ADP5302 can operate between hysteresis mode and PWM mode via the SYNC/MODE pin. In hysteresis mode, the regulator achieves excellent efficiency at less than 1 mW and provides up to 50 mA of output current. In PWM mode, the regulator produces a lower output ripple and supplies up to 500 mA of output current. The flexible configuration capability during operation of the device enables very efficient power management to meet both long battery life and low system noise requirements.The ADP5302 integrates an ultralow power comparator with a factory programmable voltage reference to monitor the input battery voltage. The regulator runs at a 2 MHz switching frequency in PWM mode, and the SYNC/MODE pin can be synchronized to an external clock from 1.5 MHz to 2.5 MHz.The ADP5302 includes an extra STOP pin that can temporarily disable the regulator switching; in this way, a quiet system environment can be achieved to benefit the noise sensitive circuitry, which includes data conversion, RF data transmission, and analog sensors.Other key features in the ADP5302 include separate enabling, QOD, and safety features, such as overcurrent protection (OCP), thermal shutdown (TSD), and input undervoltage lockout (UVLO).The ADP5302 is available in a 10-lead, 3 mm × 3 mm LFCSP package rated for the −40°C to +125°C junction temperature range.

Prices starting from US$55.37


Distributor Starting From Stock
Logo for Chip One Stop Chip One Stop US$57.40
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Logo for Analog Devices Analog Devices US$57.68
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Logo for Richardson RFPD Richardson RFPD US$55.37
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Features

Input supply voltage range: 2.15 V to 6.50 V
Operates down to 2.00 V
Ultralow 240 nA quiescent current with no load
Selectable output voltages of 1.2 V to 3.6 V, or 0.8 V to 5.0 V
±1.5% output accuracy over the full temperature range in pulse-width modulation (PWM) mode
Selectable hysteresis mode or PWM operation mode
Output current
Up to 50 mA in hysteresis mode
Up to 500 mA in PWM mode
VINOK flag to monitor input battery voltage
Ultrafast stop switching control
100% duty cycle operation mode
2 MHz switching frequency with optional synchronization input from 1.5 MHz to 2.5 MHz
Quick output discharge (QOD) option
UVLO, OCP, and TSD protection
10-lead, 3 mm × 3 mm LFCSP package
Junction temperature: −40°C to +125°C

Alternative Descriptions

ULP Buck EVB VINOK LFCSP | Analog Devices
SWITCHING REGULATOR MODULE | Richardson RFPD


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ADP5302-EVALZ?

Additional datasheets, footprints and schematics for ADP5302-EVALZ are listed on our Part Details page. You can also find images and similar parts to ADP5302-EVALZ on this page.

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What category does ADP5302-EVALZ fall under?

The ADP5302-EVALZ is listed under Internal Power Switch Buck Regulators.

Can I view similar or alternative parts?

You can view similar parts to ADP5302-EVALZ 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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Is the ADP5302-EVALZ RoHS compliant?

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

Which authorised distributors for ADP5302-EVALZ have stock available?

Authorised distributors including Chip One Stop, Analog Devices and Richardson RFPD have stock available or on a lead time for ADP5302-EVALZ.

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