L4973V3 datasheet(6/16 Pages) STMICROELECTRONICS

Part #	L4973V3

Description	3.5A STEP DOWN SWITCHING REGULATOR

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Output Voltage

Output

Ripple

Efficiency

Line Regulator

Io = 3.5A VCC = 8 to 50V

Load Regulator

VCC =35V IO = 1 to 3.5A

3.3V

20mV

81.5 (%)

3mV

6mV

5.1V

20mV

86.7 (%)

3mV

6mV

12V

30mV

93.5 (%)

3mV (VCC =15 to 50V)

4mV

Typical Performance (Using Evaluation Board) fsw = 100kHz

Figure 1a: Evaluation Board (Components Side)

Figure 1b: Evaluation Board (Solder Side)

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

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