XRP7410EVB Exar Corporation, XRP7410EVB Datasheet - Page 6

• Manufacturer Part Number: XRP7410EVB
• Description: Power Management Modules & Development Tools Eval Board for XRP7410 Series
• Manufacturer: Exar Corporation

Specifications of XRP7410EVB

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2009 Exar Corporation
Fig. 8: No Cout, Output Ripple=150mVpp, Vin=29V
Fig. 6: Feedback Voltage vs Input Voltage
0.210
0.205
0.200
0.195
0.190
5
1 LED, Vf=3.2V @ 0.35A
1 LED, Vf=3.2V @ 0.35A
Fig. 10: 5V Vin Startup
VFB versus Vin at Iout = 350mA
10
15
1 LED
Vin(V)
20
2 LED
5
5
0
0
0
0
25
m
m
Ch1: Vin
Ch2: Vout
Ch3: VFB
Ch4: ILx 0.5A/div
Ch1: Lx
Ch2: Vout(AC)
Ch4: ILx 0.5A/div
A
A
2
2
30
9
9
V
V
N
N
6/13
o
o
n
n
-
-
S
Fig. 9: Cout=1uF, Output Ripple=42mVpp, Vin=29V
S
Fig. 7: No Cout, Output Ripple=58mVpp, Vin=6V
y
y
n
n
c
c
.
.
B
B
u
u
1 LED, Vf=3.2V @ 0.35A
1 LED, Vf=3.2V @ 0.35A
1 LED, Vf=3.2V @ 0.35A
Fig. 11: 12V Vin Startup
c
c
k
k
H
H
i
i
g
g
h
h
P
P
o
o
w
w
e
e
r
r
X
L
L
X
E
E
Ch1: Lx
Ch2: Vout(AC)
Ch4: ILx 0.5A/div
Ch1: Lx
Ch2: Vout(AC)
Ch4: ILx 0.5A/div
Ch1: Vin
Ch2: Vout
Ch3: VFB
Ch4: ILx 0.5A/div
R
R
D
D
P
P
Rev. 1.0.0
D
D
7
7
r
r
6
6
i
i
v
v
0
0
e
e
3
3
r
r