ADP3402 datasheet(8/12 Pages) AD

8 / 12 page

ADP3402

–8–

REV. 0

TIME – 200 s/DIV

ILOAD

I = 100mA

MLCC CAPS

VCC

I = 200 A

Figure 8. VCC Load Step

TIME – 100 s/DIV

I = 50 A

ILOAD

I = 130mA

MLCC CAPS

VCCA

Figure 9. VCCA Load Step

TIME – 50 s/DIV

PWRONIN AND ANALOGON (2V/DIV)

VCCA (100mV/DIV)

VTCXO (100mV/DIV)

VCC (100mV/DIV)

Figure 10. Turn-On Transients, Minimum Loads

TIME – 50 s/DIV

PWRONIN AND ANALOGON (2V/DIV)

VCCA (100mV/DIV)

REFOUT (100mV/DIV)

VCC (100mV/DIV)

VTCXO (100mV/DIV)

Figure 11. Turn-On Transients, Maximum Loads

FREQUENCY – Hz

100k

100

10k

VTCXO

VCCA

VCC

REFOUT

MLCC OUTPUT CAPS

VBAT = 3.2V, FULL LOADS

Figure 12. Ripple Rejection vs. Frequency

VBAT – V

2.5

3.3

2.6

2.7

2.8

2.9

3.0

3.1

3.2

FREQUENCY = 217Hz

MAX LOADS

VTCXO

VCCA

REFOUT

VCC

Figure 13. Ripple Rejection vs. Battery Voltage

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