STMicroelectronics Demonstration Board Power Supply for L7981 for Step-Down Switching Power Supply

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RS 제품 번호:
196-1842
제조사 부품 번호:
STEVAL-ISA094V1
제조업체:
STMicroelectronics
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브랜드

STMicroelectronics

Power Management Function

Power Supply

Product Type

Power Management Development Kit

For Use With

Step-Down Switching Power Supply

Kit Classification

Evaluation Board

Featured Device

L7981

Kit Name

Demonstration Board

Standards/Approvals

RoHS

COO (Country of Origin):
IT
The STEVAL-ISA094V1 is a step-down switching power supply based on STMicroelectronics’ L7981 switching regulator in an HSOP8 package. The L7981 features an embedded power MOSFET and is capable of delivering up to 3 A of current to the load, depending on the application conditions.

The input voltage can range from 4.5 V to 28 V, while the output voltage can be set from 0.6 V to VIN.

Requiring a minimum number of external components, the device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 Mhz.

3 A DC output current

4.5 V to 28 V input voltage

Output voltage adjustable from 0.6 V

250 kHz switching frequency, programmable up to 1 MHz

Internal soft-start and enable

Low dropout operation: 100% duty cycle

Voltage feed-forward

Zero load current operation

Overcurrent and thermal protection

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