LT1117-3.3 Linear Technology, LT1117-3.3 Datasheet - Page 11

• Manufacturer Part Number: LT1117-3.3
• Description: 800mA Low Dropout Positive Regulators Adjustable and Fixed 2.85V/ 3.3V/ 5V
• Manufacturer: Linear Technology

SOLDERI G
The SOT-223 is manufactured with gull wing leadform for
surface mount applications. The leads and heatsink are
solder plated and allow easy soldering using non-active or
mildly active fluxes. The package is constructed with three
leads exiting one side of the package and one heatsink
exiting the other side, and the die attached to the heatsink
internally.
The recommended methods of soldering SOT-223 are:
vapor phase reflow and infrared reflow with preheat of
component to within 65 C of the solder temperature.
Hand soldering and wave soldering are not recom-
mended since these methods can easily damage the
part with excessive thermal gradients across the pack-
age.
Care must be exercised during surface mount to minimize
large (> 30 C per second) thermal shock to the package.
TYPICAL
28V INPUT
U
A
PPLICATI
W
10k
ETHODS
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
O
1k
U
S
MR1122
1M
LT1011
High Efficiency Regulator
+
1mH
–
10,000 F
1N914
+
28V
4N28
10k
10k
470
1N914
28V
IN
LT1117
ADJ
OUT
LT1117-3.3/LT1117-5
LT1117/LT1117-2.85
240
2k
OUTPUT
ADJUST
LT1117 • TA18
+
LT1117 • TA15
100 F
OUTPUT
11