AATIAN76 Datasheet, PDF(5/8 Page) SiGe Semiconductor, Inc. – Dual Slew Rate Controlled Load Switch

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AATIAN76 Datasheet, PDF (5/8 Pages) SiGe Semiconductor, Inc. – Dual Slew Rate Controlled Load Switch

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EV-140

AAT4282A EVAL:

Dual Slew Rate Controlled Load Switch

Test: Enable Behavior

1. Configure the specified test equipment as shown in Figure 4.

2. Disconnect INB to power supply, set INA to designed input voltage, ENA to 0.4 V, and FAST to GND.

3. Connect OUTA through 100Î© resistor to GND.

4. Ramp up the ENA voltage until OUTA on the oscilloscope flips over (from 0V to VIN) and record ENA volt-

age at this pin as VIL

5. Ramp down the ENA voltage until OUTA on the oscilloscope flips over (from VIN to 0V) and record ENA

voltage at this pin as VIH. VIL and VIH should be in the range from 0.4 V to 1.4 V.

6. Repeat for different VIN and IOUT.

7. Repeat steps 1 through 6 for channel B.

Figure 4: AAT4282A Evaluation Board Connection Diagram Enable Test.

EV-140.2007.08.1.0

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