88PG8226A1-NFE1C000 Marvell, 88PG8226A1-NFE1C000 Datasheet - Page 35

• Manufacturer Part Number: 88PG8226A1-NFE1C000
• Manufacturer: Marvell

V
V
I
I
BUCK
LOAD
BUCK
LOAD
V
I
IND
SW
Copyright © 2008 Marvell
April 23, 2008, 2.00
V
V
I
V
V
C
Figure 32: Load Transient Response
Figure 30: Fast Load Fall Time
OUT
IN
BUCK
IN
BUCK
OUT
= 5.0V
= 5.0V
= 500 mA to 1.5A
= 22 μF
= 1.2V
= 1.2V
20
2
μ
μ
s/DIV
s/DIV
C
t
I
t
t
FALL
LOAD
RISE
FALL
OUT
= 88 A/μs
= 13.8 A/μs
= 121 A/μs
= 22 μF
= 500 mA to 1.5A
Document Classification: Proprietary Information
100 mV/DIV
1A/DIV
5V/DIV
100 mV/DIV
1A/DIV
1A/DIV
V
V
I
I
BUCK
BUCK
LOAD
LOAD
V
I
IND
SW
V
V
I
V
V
C
OUT
IN
BUCK
IN
BUCK
OUT
Figure 31: Slow Load Fall Time
Figure 33: Double-Pulsed Load
= 5.0V
= 5.0V
= 500 mA to 1.5A
= 22 μF
= 1.2V
= 1.2V
Response
Functional Characteristics
20
2
Load Transient Waveforms
μ
μ
s/DIV
s/DIV
Doc. No. MV-S103563-00 Rev. C
I
t
t
LOAD
RISE
FALL
C
t
FALL
= 11.2 A/μs
= 95.3 A/μs
OUT
= 500 mA to 1.5A
= 1.2 A/μs
= 22 μF
Page 35
100 mV/DIV
1A/DIV
5V/DIV
100 mV/DIV
1A/DIV
1A/DIV