ADP1821ARQZ-R7 External Power Switch Buck Controllers by Analog Devices

Status: Production
Series: ADP1821
RoHS: Compliant
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The ADP1821 is a versatile and inexpensive, synchronous, pulse-width-modulated (PWM), voltage-mode, step-down controller. It drives an all N-channel power stage to regulate an output voltage as low as 0.6 V. The ADP1821 can be configured to provide output voltages from 0.6 V to 85% of the input voltage and is sized to handle large MOSFETs for point-of-load regulators.The ADP1821 is well suited for a wide range of high power

Prices starting from US$2.80


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Features

Wide power-input voltage range: 1 V to 24 V
Chip supply voltage range: 3.7 V to 5.5 V
Wide output voltage range: 0.6 V to 85% of input voltage
1% accuracy, 0.6 V reference voltage
All N-channel MOSFET design for low cost
Fixed-frequency operation 300 kHz, 600 kHz, or synchronized operation up to 1.2 MHz
No current sense resistor required
Power-good output
Programmable soft start with reverse current protection
Soft start, thermal overload, current-limit protection
Undervoltage lockout
10 μA shutdown supply current

Alternative Descriptions

20 Amp Buck Controller in QSOP | Analog Devices


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ADP1821ARQZ-R7?

Additional datasheets, footprints and schematics for ADP1821ARQZ-R7 are listed on our Part Details page. You can also find images and similar parts to ADP1821ARQZ-R7 on this page.

What pricing and inventory information can I view?

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What category does ADP1821ARQZ-R7 fall under?

The ADP1821ARQZ-R7 is listed under External Power Switch Buck Controllers.

Can I view similar or alternative parts?

You can view similar parts to ADP1821ARQZ-R7 when available in the External Power Switch Buck Controllers 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 ADP1821ARQZ-R7 you can contact the distributor directly for product support, shipping queries etc.

Is the ADP1821ARQZ-R7 RoHS compliant?

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

Which authorised distributors for ADP1821ARQZ-R7 have stock available?

Authorised distributors including Analog Devices have stock available or on a lead time for ADP1821ARQZ-R7.

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