ADP3408(Rev0) 查看數據表（PDF） - Analog Devices

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ADP3408
(Rev.:Rev0)

GSM Power Management System

Analog Devices 

ADP3408

20mA

LOAD

VSIM

5mV/DIV

3mA

60mA

LOAD

VMEM

10mV/DIV

5mA

100mA

LOAD

10mA

VCORE

10mV/DIV

TIME – 200␮s/DIV

TPC 10. VSIM Load Step

TIME – 200␮s/DIV

TPC 11. VMEM Load Step

TIME – 200␮s/DIV

TPC 12. VCORE Load Step

130mA

LOAD

10mA

VAN

10mV/DIV

TIME – 200␮s/DIV

TPC 13. VAN Load Step

PWRONIN (2V/DIV)

VAN (100mV/DIV)

VSIM (100mV/DIV)

VCORE (100mV/DIV)

TIME – 400␮s/DIV

TPC 14. Turn On Transient by

PWRONIN, Minimum Load (Part 1)

PWRONIN (2V/DIV)

REFOUT

(100mV/DIV)

VMEM (100mV/DIV)

VTCXO (100mV/DIV)

TIME – 100␮s/DIV

TPC 15. Turn On Transient by

PWRONIN, Minimum Load (Part 2)

PWRONIN (2V/DIV)

VAN (100mV/DIV)

VSIM (100mV/DIV)

VCORE (100mV/DIV)

TIME – 20␮s/DIV

TPC 16. Turn On Transient by

PWRONIN, Maximum Load (Part 1)

PWRONIN (2V/DIV)

REFOUT

(100mV/DIV)

VMEM (100mV/DIV)

VTCXO (100mV/DIV)

TIME – 20␮s/DIV

TPC 17. Turn On Transient by

PWRONIN, Maximum Load (Part 2)

80

70

VAN

60

50

VTCXO

REFOUT

VCORE

40

MLCC OUTPUT CAPS

30 VBAT = 3.2V, FULL LOADS

20

10

0

4 10

100

1k

10k

FREQUENCY – Hz

100k

TPC 18. Ripple Rejection vs. Frequency

–8–

REV. 0

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