Datasheet

Setup and Results

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Figure 2 shows typical start from Vin = 4.2-V into a load of 12-Ω.

Figure 2. Turn ON into Load, Vin = 4.2 V

2.4 Output Ripple

Output ripple occurs at the switching frequency of 2.25 -MHz, and with the recommended L and output C,

is low. Amplitude of the ripple varies, depending on load current and input voltage. Ensure that the

oscilloscope probe is connected as close as possible to the output capacitor, with a short ground lead, for

accurate measurements. Resistance in trace and leads adds to output ripple, and ground lead length

increases the amplitude of switching spikes.

Figure 3. Output Ripple Vin 2.2 V

TPS63036EVM-163 SLVU752–August 2012

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