88PG8226A1-NFE1C000 Marvell, 88PG8226A1-NFE1C000 Datasheet - Page 32

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

V
V
BUCK1
BUCK2
V
V
BUCK
V
I
IN
IND
SW
4.2
Doc. No. MV-S103563-00 Rev. C
Page 32
V
V
V
I
I
LOAD1
LOAD2
Figure 20: UVLO and OVP Thresholds
IN
BUCK1
BUCK2
Figure 22: Step-Down Short-Circuit
= 0 to 6.0V
= 10 mA
= 10 mA
= 1.0V
= 1.0V
Response
1
Short-Circuit Waveforms
st
Peak Current Limit
100 ms/DIV
200
88PG82XX
Datasheet
μ
s/DIV
V
V
V
V
UVLO(HTH)
UVLO(LTH)
OVP(HTH)
OVP(LTH)
2
nd
Peak Current Limit
Short Circuit
= 5.32V
= 5.64V
= 2.531V
= 2.608V
Document Classification: Proprietary Information
5V/DIV
500 mV/DIV
2A/DIV
2V/DIV
1V/DIV
1V/DIV
V
V
BUCK1
BUCK2
V
IN
V
V
V
I
SDI = SV
LOAD
IN
BUCK1
BUCK2
Figure 21: Input Soft Start and Start
= 5V
= No Load
= 1.2V
= 1.2V
IN
up Sequence
2.0 ms/DIV
Copyright © 2008 Marvell
April 23, 2008, 2.00
5V/DIV
1V/DIV
1V/DIV