LP38503-ADJ_15 Datasheet, PDF (3/27 Pages) Texas Instruments – LP3850x-ADJ, LP3850xA-ADJ 3-A FlexCap Low Dropout Linear Regulator for 2.7-V to 5.5-V Inputs

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5 Pin Configurations and Functions
KTT Package (LP38501)
5-Pin DDPAK/TO-263
Top View
LP38501-ADJ, LP38503-ADJ
SNVS522I – AUGUST 2007 – REVISED AUGUST 2015
KTT Package (LP38503)
5-Pin DDPAK/TO-263
Top View
NDQ Package (LP38501)
5-Pin TO-263
Top View
NDQ Package (LP38503)
5-Pin TO-263
Top View
NAME
ADJ
EN
GND
IN
N/C
OUT
DAP
PIN
LP38501 LP38503
DDPAK/TO-263
5
5
1
—
3
3
2
2
—
1
4
4
√
√
Pin Functions
LP38501 LP38503
TO-263
5
5
1
—
3
3
2
2
—
1
4
4
√
√
TYPE
DESCRIPTION
O
Sets output voltage.
Enable (LP38501-ADJ only). Pull high to enable the output,
I
low to disable the output. This pin has no internal bias and
must be either tied to the input voltage, or actively driven.
G
Ground
I
Input supply pin.
—
In the LP38503-ADJ, this pin has no internal connections. It
can be left floating or used for trace routing.
O
Regulated output voltage pin.
The DAP is used as a thermal connection to remove heat from
the device to the circuit board DAP copper clad area which
—
acts as the heatsink. The DAP is electrically connected to the
backside of the die. The DAP must be connected to ground
potential, but can not be used as the only ground connection.
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