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Battery charger
PRODUCT DESCRIPTION
The AS2887 are low power 3A adjustable and fixed voltage regulators that are very easy to use. It requires only 2 external resistors to
set the output voltage for adjustable version. The AS2887 is designed for low voltage applications that offer lower dropout voltage
and faster transient response. This device is an excellent choice for use in powering low voltage microprocessor that require a lower
dropout, faster transient response to regulate from +2.5V to 3.8V supplies and as a post regulator for switching supplies applications.
The AS2887 features low dropout of a maximum of 1.5 volts.
The AS2887 offers full protection against over-current faults, reversed input polarity, reversed load insertion, and positive and
negative transient voltage. On-Chip trimming adjusts the reference voltage to 1%. The I
Q
of this device flows into load which
increases efficiency.
The AS2887 are offered in a 3-pin TO-220, TO-263 & TO-252 packages compatible with other 3 terminal regulators. For a 8A low
dropout regulator refer to the AS2880 data sheet.
ORDERING INFORMATION
TO-220
3-PIN
AS2887YU
AS2887YU-X
DD PLASTIC
3-PIN
AS2887YT
AS2887YT-X
TO-252
DPAK
AS2887YR
AS2887YR-X
TO-263-3 (T)
PIN CONNECTIONS
TO-220-3 (U)
TO-252 (R)
X = Output Voltage (i.e. 1.5 for 1.5V, 2.5 for 2.5V etc.)
Y = Output Tolerance, A for 1%
Blank for 2%
Consult with factory for other fixed output voltages
AS2887
1
2
3
AS2887
AS2887
1
2
3
1
2
3
ADJ/GND V
OUT
V
IN
ADJ/GND V
OUT
V
IN
Front View
ADJ/GND V
OUT
V
IN
Top View
Front View
Rev. 10/11/00
1
2
3
4
5
6
