XRP7602EVB Exar Corporation, XRP7602EVB Datasheet - Page 4

• Manufacturer Part Number: XRP7602EVB
• Description: Power Management Modules & Development Tools Eval Board for XRP7602 Series
• Manufacturer: Exar Corporation

Specifications of XRP7602EVB

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

PIN DESCRIPTION
ORDERING INFORMATION
“YY” = Year – “WW” = Work Week – “F” = Green/Halogen Free designator – “LOT#” = Lot Number
© 2009 Exar Corporation
XRP7603EDB-F
XRP7603EDBTR-F
XRP7603EVB
Part Number
Power PAD
Name
SVIN
PVIN
ISET
GND
VDR
FB
LX
Pin Number
XRP7603 Evaluation Board
-40°C≤T
-40°C≤T
Temperature
4,5
1
2
3
7
6
8
9
Range
J
J
≤+125°C
≤+125°C
Regulator feedback input. A current setting resistor is connected to LED’s cathode and
FB on one side and to ground on the other side. This pin can be also used for dimming
control. By connecting a diode between this pin and a >2V signal the LED can be pulsed
at up to 1kHz
Ground pin
Power supply for the internal driver. This voltage is internally regulated to about 5V
below VIN. Place a 0.1uF decoupling capacitor between VDR and Vin as close as
possible to the IC.
Connection to the FET source
Input power supply for the regulator. Place input decoupling capacitor as close as
possible to this pin. This is the Vin connection for the regulator and is not tied to the
high-side FET.
Connect to the output inductor. This is the P-Channel FET Drain
This pin is used as a current limit input for the internal current limit comparator.
Connect to LX through an optional resistor. Internal threshold is pre-set to 350mV
nominal and can be decreased by changing the external resistor based on the following
formula: VTRSHLD = 350mV – 33uA * R
Can be connected to inductor LX node for a thermal PAD – see Layout suggestions
section.
5
5
0
0
XRP7603E
XRP7603E
0
0
Marking
YYWWF
YYWWF
LOT#
LOT#
m
m
A
A
2
2
9
9
V
V
HSOICN-8
HSOICN-8
Package
Exp. PAD
Exp. PAD
N
N
4/13
o
o
n
n
-
-
S
S
y
y
2.5K/Tape & Reel
n
n
c
Quantity
c
Description
Packing
.
.
Bulk
B
B
u
u
c
c
k
k
H
H
RoHS Compliant
Green-Halogen Free
RoHS Compliant
Green/Halogen Free
i
i
g
g
h
h
Note 1
P
P
o
o
w
w
e
e
r
r
X
L
L
X
E
E
R
R
D
D
P
P
Rev. 1.0.0
Note 2
D
D
7
7
r
r
6
6
i
i
v
v
0
0
e
e
3
3
r
r