XRP7665IDBTR-F Exar Corporation, XRP7665IDBTR-F Datasheet - Page 3

• Manufacturer Part Number: XRP7665IDBTR-F
• Description: Current Mode PWM Controllers 3A 18V Synchronous Step Down Regulator
• Manufacturer: Exar Corporation

Specifications of XRP7665IDBTR-F

• Duty Cycle (max): 90 %
• Output Voltage: 0.925 V to 16 V
• Output Current: 3 A
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Switching Frequency: 340 KHz
• Operating Supply Voltage: 4.75 V to 18 V
• Supply Current: 0.1 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Note 1: Guaranteed by design.
Note 2: R
BLOCK DIAGRAM
PIN ASSIGNMENT
© 2011 Exar Corporation
Thermal Shutdown Hysteresis
(Note 1)
Feedback Bias Current
DSON
Parameter
=(V
SW1
-V
SW2
)/(I
SW1
-I
SW2
Fig. 3: XRP7665 Pin Assignment (SOIC-8 Exposed Pad)
)
Min.
-0.1
Fig. 2: XRP7665 Block Diagram
Typ.
20
3
3
A
A
Max.
1
1
0.1
3/12
8
8
V
V
S
S
y
y
Units
µA
°C
n
n
c
c
h
h
r
r
o
o
n
n
o
o
V
FB
u
u
=1V
s
s
S
S
t
t
e
e
p
p
-
-
Conditions
D
D
o
o
w
w
n
n
X
X
C
C
R
R
o
o
P
n
P
n
Rev. 1.0.0
v
v
7
7
e
e
6
6
r
r
6
t
6
t
e
e
5
5
r
r