ADP5053-EVALZ Multiple Output Buck Regulators by Analog Devices

Status: Production
Series: ADP5053
RoHS: Compliant
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The ADP5053 combines four high performance buck regulators, a supervisory circuit, a watchdog timer, and a manual reset in a 48-lead LFCSP package that meets demanding performance and board space requirements. The device enables direct connection to high input voltages up to 15.0 V with no preregulators.Channel 1 and Channel 2 integrate high-side power MOSFET and low-side MOSFET drivers. External NFETs can be used in low-side power devices to achieve an efficiency optimized solution and deliver a programmable output current of 1.2 A, 2.5 A, or 4 A. Combining Channel 1 and Channel 2 in a parallel configuration can provide a single output with up to 8 A of current.Channel 3 and Channel 4 integrate both high-side and low-side MOSFETs to deliver an output current of 1.2 A.The switching frequency of the ADP5053 can be programmed or synchronized to an external clock. The ADP5053 contains a precision enable pin on each channel for easy power-up sequencing or adjustable UVLO threshold.The ADP5053 contains supervisory circuits that monitor the voltage level. The watchdog timer can generate a reset if the WDI pin is not toggled within a preset timeout period. Processor reset mode or system power on/off switch mode can be selected for manual reset functionality.

Prices starting from US$57.68


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Features

Wide input voltage range: 4.5 V to 15.0 V
±1.5% output accuracy over full temperature range
250 kHz to 1.4 MHz adjustable switching frequency
Adjustable/fixed output options via factory fuse
Power regulation
Channel 1 and Channel 2: programmable 1.2 A/2.5 A/4 A sync buck regulators with low-side FET driver
Channel 3 and Channel 4: 1.2 A sync buck regulators
Single 8 A output (Channel 1 and Channel 2 operated in parallel)
Precision enable with 0.8 V accurate threshold
Active output discharge switch
FPWM or automatic PWM/PSM selection
Frequency synchronization input or output
Optional latch-off protection on OVP/OCP failure
Power-good flag on selected channels
UVLO, OCP, and TSD protection
Open-drain processor reset with external adjustable threshold monitoring
Watchdog refresh input
Manual reset input

Alternative Descriptions

Evaluation Board | Analog Devices


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ADP5053-EVALZ?

Additional datasheets, footprints and schematics for ADP5053-EVALZ are listed on our Part Details page. You can also find images and similar parts to ADP5053-EVALZ on this page.

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What category does ADP5053-EVALZ fall under?

The ADP5053-EVALZ is listed under Multiple Output Buck Regulators.

Can I view similar or alternative parts?

You can view similar parts to ADP5053-EVALZ when available in the Multiple Output Buck Regulators range under the specifications section at the bottom of the details page.

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Is the ADP5053-EVALZ RoHS compliant?

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

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