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LP38691SD-3.3 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LP38691SD-3.3
Description  500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP38691SD-3.3 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Connection Diagrams
20126503
TO-252, Top View
LP38691DT-X.X
20126504
SOT-223, Top View
LP38693MP-X.X
20126505
6-Lead LLP, Bottom View
LP38691SD-X.X
20126506
6-Lead LLP, Bottom View
LP38693SD-X.X
Pin Description
PIN
DESCRIPTION
V
IN
This is the input supply voltage to the regulator. For LLP devices, both V
IN pins must be tied
together for full current operation (250mA maximum per pin).
GND
Circuit ground for the regulator. This is connected to the die through the lead frame, and also
functions as the heat sink when the large ground pad is soldered down to a copper plane.
SNS
Output sense pin allows remote sensing at the load which will eliminate the error in output
voltage due to voltage drops caused by the resistance in the traces between the regulator and
the load. This pin must be tied to V
OUT.
V
EN
The enable pin allows the part to be turned ON and OFF by pulling this pin high or low.
V
OUT
Regulated output voltage
Ordering Information
Order Number
Package Marking
Package Type
Package Drawing
Supplied As
LP38691SD-1.8
L118B
6-Lead LLP
SDE06A
1000 Units Tape and Reel
LP38691SD-2.5
L119B
6-Lead LLP
SDE06A
1000 Units Tape and Reel
LP38691SD-3.3
L120B
6-Lead LLP
SDE06A
1000 Units Tape and Reel
LP38691SD-5.0
L121B
6-Lead LLP
SDE06A
1000 Units Tape and Reel
LP38691DT-1.8
LP38691DT-1.8
TO-252
TD03B
Available Soon
LP38691DT-2.5
LP38691DT-2.5
TO-252
TD03B
Available Soon
LP38691DT-3.3
LP38691DT-3.3
TO-252
TD03B
Available Soon
LP38691DT-5.0
LP38691DT-5.0
TO-252
TD03B
Available Soon
LP38693SD-1.8
L128B
6-Lead LLP
SDE06A
1000 Units Tape and Reel
LP38693SD-2.5
L129B
6-Lead LLP
SDE06A
1000 Units Tape and Reel
LP38693SD-3.3
L130B
6-Lead LLP
SDE06A
1000 Units Tape and Reel
LP38693SD-5.0
L131B
6-Lead LLP
SDE06A
1000 Units Tape and Reel
LP38693MP-1.8
LJVB
SOT-223
MP05A
1000 Units Tape and Reel
www.national.com
2


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