XRP7604 Exar Corporation, XRP7604 Datasheet - Page 7

• Manufacturer Part Number: XRP7604
• Description: 1a 29v Non-sync. Buck High Power Led Driver
• Manufacturer: Exar Corporation

© 2009 Exar Corporation
1 LED, Vf=3.3V @ 0.75A
Fig. 12: 29V Vin Startup
1
1
Ch1: Vin
Ch2: Vout
Ch3: VFB
Ch4: Io 2A/div
A
A
2
2
9
9
V
V
N
N
7/13
o
o
n
n
-
-
S
S
y
y
n
n
c
c
.
.
B
B
Fig. 13: Output Overcurrent
u
u
Hiccup mode with Vin=29V
c
c
k
k
H
H
i
i
g
g
h
h
P
P
o
o
w
w
e
e
r
r
X
L
X
L
E
E
Ch1: Lx
Ch2: Vout
Ch3: VFB
Ch4: Io 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
4
4
r
r