XRP7708EVB Exar Corporation, XRP7708EVB Datasheet - Page 9

• Manufacturer Part Number: XRP7708EVB
• Description: EVAL BOARD FOR XRP7708
• Manufacturer: Exar Corporation
• Type: PMIC Solutionsr

Specifications of XRP7708EVB

• Main Purpose: DC/DC, Step Down
• Outputs And Type: *
• Voltage - Output: *
• Current - Output: *
• Voltage - Input: *
• Regulator Topology: Buck
• Frequency - Switching: *
• Board Type: Fully Populated
• Utilized Ic / Part: XRP7708
• Board Size: 6 mm x 6 mm x 0.8 mm
• Interface Type: I2C
• Maximum Operating Temperature: + 125 C
• Operating Supply Voltage: 6.5 V to 20 V
• Product: Power Management Development Tools
• Sense Voltage (max): 5 mV
• Dimensions: 6 mm x 6 mm x 0.8 mm
• Silicon Manufacturer: Exar
• Silicon Core Number: XRP7708
• Kit Application Type: Power Management - Voltage Regulator
• Application Sub Type: Step Down DC/DC Controller
• For Use With/related Products: XRP7708
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1016-1346

© 2010 Exar Corporation
Fig. 12: Startup into 3V prebias – 5V Output
Fig. 10: Sequential Start-up Configuration
CH1:3.3V CH2:5V CH3:1V CH4:1.8V
CH1:Iout (1A/div) CH2: Vout (3.3V)
Fig. 14: Load Transient Response
CH1: Vout(5V)
Q
Q
u
u
a
a
d
d
C
C
h
h
a
a
n
n
9/27
n
n
e
e
l
l
D
D
i
i
g
g
Fig. 11: Sequential Soft-Stop Configuration
Fig. 13: Sequential Soft-Stop Configuration
i
i
t
CH1:5V CH2:3.3V CH3:1.8V CH4:1.2V
t
CH1:3.3V CH2:5V CH3:1V CH4:1.8V
a
a
Vout Shutdown = 0.8V, No Load
l
l
Vout Shutdown = 0.8V, 3A load
P
P
W
W
M
M
S
S
t
t
e
e
p
p
D
D
o
o
w
w
n
n
X
X
C
C
R
R
o
o
n
P
n
P
Rev. 1.0.3
t
t
7
7
r
r
o
7
o
7
l
l
0
0
l
l
e
e
8
8
r
r