ADP3402 Analog Devices, ADP3402 Datasheet - Page 8

• Manufacturer Part Number: ADP3402
• Description: GSM Power Management System
• Manufacturer: Analog Devices

ADP3402
Figure 10. Turn-On Transients, Minimum Loads
PWRONIN AND ANALOGON (2V/DIV)
Figure 9. VCCA Load Step
Figure 8. VCC Load Step
I
VCC
LOAD
I
VCCA
LOAD
VCCA (100mV/DIV)
VCC (100mV/DIV)
TIME – 200 s/DIV
TIME – 100 s/DIV
TIME – 50 s/DIV
VTCXO (100mV/DIV)
I = 50 A
I = 200 A
I = 130mA
I = 100mA
MLCC CAPS
MLCC CAPS
–8–
Figure 11. Turn-On Transients, Maximum Loads
Figure 13. Ripple Rejection vs. Battery Voltage
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
Figure 12. Ripple Rejection vs. Frequency
0
4
2.5
MLCC OUTPUT CAPS
VBAT = 3.2V, FULL LOADS
VCCA
10
REFOUT
2.6
PWRONIN AND ANALOGON (2V/DIV)
VCC (100mV/DIV)
VCC
2.7
REFOUT (100mV/DIV)
VCCA (100mV/DIV)
100
VTCXO
VTCXO (100mV/DIV)
TIME – 50 s/DIV
FREQUENCY – Hz
2.8
VBAT – V
2.9
REFOUT
1k
VCCA
FREQUENCY = 217Hz
MAX LOADS
VTCXO
3.0
3.1
10k
3.2
VCC
100k
3.3
REV. 0