XRP7714 Exar, XRP7714 Datasheet - Page 9

• Manufacturer Part Number: XRP7714
• Description: Quad Channel Digital PWM Step Down Controller
• Manufacturer: Exar

© 2010 Exar Corporation
200
190
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160
150
140
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120
110
100
5
CH1:3.3V, CH2:5V, CH3:1V, CH4:1.8V
CH1:3.3V, CH2:5V, CH3:1V, CH4:1.8V
Fig. 12: Simultaneous Start-up
Fig. 14: Sequential Start-up
Fig. 10: Shutdown Current
10
5.1V to 25V
VIN (V)
15
Q
20
Q
u
u
a
a
d
d
C
C
25
h
h
a
a
n
n
9/27
n
n
e
e
l
l
D
D
i
2000
1800
1600
1400
1200
1000
i
800
600
400
200
g
g
0
i
4.7
i
CH1:3.3V, CH2:5V, CH3:1V, CH4:1.8V
CH1:3.3V, CH2:5V, CH3:1V, CH4:1.8V
t
t
a
a
l
Fig. 13: Simultaneous Soft-stop
l
4.8
V
Fig. 15: Sequential Soft-stop
P
P
OUT
Fig. 11: Shutdown Current
W
W
4.8
Shutdown=0.8V, 3A load
M
M
4.8V to 5.1V
4.9
S
S
VIN (V)
t
t
4.9
e
e
p
p
5.0
D
D
o
o
w
5.0
w
n
n
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5.1
X
X
C
C
R
R
o
o
5.1
P
n
P
n
Rev. 1.1.3
t
t
7
7
r
r
5.2
o
o
7
7
l
l
1
1
l
l
e
e
4
4
r
r