XRP7714 Exar, XRP7714 Datasheet - Page 10

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

© 2010 Exar Corporation
Fig. 20: Temperature and Voltage Regulation
1.818
1.814
1.806
1.802
1.798
1.794
1.786
1.782
CH1:3.3V, CH2:5V, CH3:1V, CH4:1.8V
1.81
1.79
‐40
Fig. 18: Temperature Regulation
V
1.8V out (±1% Vout window)
1.8V out (±1% Vout window)
Fig. 16: Sequential Soft-stop
OUT
‐15
Shutdown=0.8V, 3A load
Ambient, Degrees C
10
35
60
85
Q
Q
u
u
a
No Load
"Full Load"
a
d
d
C
C
h
h
a
a
10/27
n
n
n
n
e
e
l
l
D
D
i
i
g
g
i
i
1.006
1.002
0.998
0.994
t
1.01
0.99
t
a
a
CH1: Iout (1A/div) CH2:Vout(3.3V)
‐40
Fig. 17: Load Transient Response
Fig. 19: Temperature Regulation
l
l
P
P
1.0V out (±1% Vo window)
W
W
‐15
M
M
Ambient, Degrees C
10
S
S
t
t
e
e
p
35
p
D
D
o
o
60
w
w
n
n
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85
X
X
C
C
R
R
o
o
No Load
Full Load
P
n
P
n
Rev. 1.1.3
t
t
7
7
r
r
o
o
7
7
l
l
1
1
l
l
e
e
4
4
r
r