Texas Instruments TPS53125EVM-599 specifications Start-Up/Shutdown Procedures, Test Setup Diagram

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5.2.2Test Setup Diagram

FAN

				Oscilloscope
+		-		1MΩ, AC
	V1			20mV / div
				20MHz
				+ LOAD1		+
					1.05V @	V2
				-	4A
						-
				-	LOAD2	-
					1.8V @	V3
				+	4A	+
			A1	+
				VVIN
				-

Figure 2. TPS53125EVM-599 Recommended Test Setup

5.3Start-Up/Shutdown Procedures

Perform the start-up and shutdown procedures in the following manner.

1.Increase VIN from 0 V to 12 Vdc.

2.Vary LOAD1 from 0 V – 4 Adc.

3.Vary LOAD2 from 0 V – 4 Adc.

4.Vary VIN from 8 Vdc to 22 Vdc.

5.Decrease VIN to 0 Vdc.

6.Decrease LOAD1 to 0 A.

SLVU392 –July 2010 TPS53125EVM-599 7

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