ADP3401 Analog Devices, ADP3401 Datasheet - Page 8

• Manufacturer Part Number: ADP3401
• Description: GSM Power Management System
• Manufacturer: Analog Devices

ADP3401
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
Figure 12. Ripple Rejection vs. Frequency
0
0
4
2.5
MLCC OUTPUT CAPS
VBAT = 3.2V, FULL LOADS
VCCA
10
REFOUT
PWRONIN AND ANALOGON (2V/DIV)
2.6
VCC (100mV/DIV)
REFOUT (100mV/DIV)
2.7
VCCA (100mV/DIV)
100
VTCXO (100mV/DIV)
TIME – 50 s/DIV
VTCXO
FREQUENCY – Hz
2.8
VCCA
VBAT – V
2.9
REFOUT
1k
VCC
FREQUENCY = 217Hz
MAX LOADS
VTCXO
3.0
3.1
10k
3.2
VCC
100k
3.3
REV. 0