STMicroelectronics Evaluation Board Step Down Switching Regulator for L4971 for Asynchronous Step-Down Power Switching

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RS Stock No.:
196-1874
Mfr. Part No.:
STEVAL-ISA202V1
Manufacturer:
STMicroelectronics
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Brand

STMicroelectronics

Power Management Function

Step Down Switching Regulator

For Use With

Asynchronous Step-Down Power Switching Regulator

Kit Classification

Evaluation Board

Featured Device

L4971

Kit Name

Evaluation Board

COO (Country of Origin):
IT
The STEVAL-ISA202V1 product evaluation board provides a platform for evaluation of the L4971, a 1.5 A asynchronous step-down power switching regulator with zero load current operation capability. Based on the selection of the external components, the device can operate in the entire input voltage range of 8 V < VIN < 55 V. The output voltage is limited by the voltage rating of the output capacitor, so it can be adjusted within the 3.3 V < VOUT < 30 V range through voltage divider R2, R3.

The input and output capacitors are capable of sustaining the RMS current within the operating range.

Input voltage range: 8 V to 55 V

Output voltage: 5.1 V ± 3% (line, load and thermal)

Output ripple: less than 51 mV

Output current range: up to 1.5 A

Max output ripple current: 30%

Current limit: 2.5 A typ.

Switching frequency: 200 kHz

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