SPX1117M3-L/TR Exar Corporation, SPX1117M3-L/TR Datasheet - Page 8

• Manufacturer Part Number: SPX1117M3-L/TR
• Description: 800mA Low Dropout Voltage Regulator
• Manufacturer: Exar Corporation

Specifications of SPX1117M3-L/TR

• Regulator Topology: Positive Adjustable
• Voltage - Output: 1.25 V ~ 15 V
• Voltage - Input: 2.6 V ~ 15 V
• Voltage - Dropout (typical): 1.1V @ 800mA
• Number Of Regulators: 1
• Current - Output: 800mA
• Current - Limit (min): 1A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-261-4, TO-261AA, SOT-223-4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L
Parasitic line resistance can degrade local
regulation. In order to avoid this, connect R
directly to V
the same reason R
the negative side of the load.
© 2010 Exar Corporation
AYOUT
C
Fig. 22:Typical Adjustable Regulator
Fig. 23: Improving Ripple Rejection
ONSIDERATIONS
OUT
Fig. 21: Current Cource
as illustrated in figure 25. For
2
should be connected to
1
8
8
8/11
0
0
0
0
m
m
PC Board
A
A
Fig. 25: Recommended Connections for Best Results
mm
2500
2500
2500
2500
2500
1600
2500
2500
1600
900
900
L
L
o
o
2
w
w
Fig. 24: 5V Regulator with Shutdown
D
D
r
r
Topside
o
Copper
o
mm
2500
1250
2500
1800
1250
p
950
600
915
600
240
240
p
o
o
2
u
u
Table 1
t
t
V
V
o
o
Backside
Copper
l
l
t
t
mm
2500
2500
2500
1600
900
a
a
0
0
0
0
0
0
g
g
2
e
e
S
S
R
R
P
P
e
e
Jct to amb.
Resistance
X
X
g
Thermal
g
Rev. 2.0.0
°C/W
u
1
u
1
46
47
49
51
53
55
58
59
67
72
85
l
l
1
1
a
a
1
t
1
t
o
o
7
7
r
r