L4973D5.1 데이터 시트보기 (PDF) - STMicroelectronics

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L4973D5.1

3.5A STEP DOWN SWITCHING REGULATOR

STMicroelectronics 

L4973V3.3 - L4973V5.1 - L4973D3.3 - L4973D5.1

Typical Performance (Using Evaluation Board) fsw = 100kHz

Output Voltage

3.3V

5.1V

12V

Output

Ripple

20mV

20mV

30mV

Efficiency

81.5 (%)

86.7 (%)

93.5 (%)

Line Regulator

Io = 3.5A VCC = 8 to 50V

3mV

3mV

3mV (VCC =15 to 50V)

Load Regulator

VCC =35V IO = 1 to 3.5A

6mV

6mV

4mV

Figure 1a: Evaluation Board (Components Side)

Figure 1b: Evaluation Board (Solder Side)

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