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LX2203A Datasheet

  • LX2203A

  • Microsemi Corporation [Li-Ion Battery Charger]

  • MICROSEMI

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LX2203A
TM
廬
Li-Ion Battery Charger
P
RODUCTION
D
ATA
S
HEET
DESCRIPTION
KEY FEATURES
Up to 1A Charge Current
Low Drop Out Design
Reverse Leakage Protection
Linear Thermal Control Loop
Pre-Charge Conditioning
Programmable Termination
Current
Short Circuit Protected
Small 3x3mm MLP Package
APPLICATIONS
The Microsemi LX2203A is a tiny
linear battery charger for Lithium Ion
or Lithium Polymer batteries. The
LX2203A includes built in MOSFET,
accurate current and voltage regulation,
reverse blocking protection, over
temperature control, and charge status
indicator. The accurate programmable
charge current and independent
termination current programming
make it easy to logically reprogram
the charge current limit at any time.
The LX2203A charges the battery in
two phases: constant current and
constant voltage. A reduced current
conditioning mode is provided for
deeply discharged batteries.
The
LX2203A automatically restarts if the
battery voltage falls below the top-off
threshold. The LX2203A enters a low
quiescent current sleep mode when
power is removed.
The
LX2203A
is
backward
compatible with the LX2203. The
difference is the LX2203A can
terminate charging while using CCP
resistors ranging from 90k to 1.5M and
the LX2203 from 90k to 400k.
WWW .
Microsemi
.C
OM
PDAs, MP3 Players
Cell Phones
Charging Cradles
Digital Cameras
IMPORTANT:
For the most current data, consult
MICROSEMI鈥檚
website:
http://www.microsemi.com
PRODUCT HIGHLIGHT
AC/DC Adapter
VIN
VIN
BAT
BAT
+
STAT
LX2203A
CMP
CTP
GND
EN
CCP
EN
0
1
MODE
Sleep mode 鈥?charge disabled
Charge enabled.
ON/OFF
PACKAGE ORDER INFO
T
A
(擄C)
-40 to 85
LD
Plastic MLP
10-Pin
RoHS Compliant / Pb-free
_
LX2203A
LX2203A
LX2203AILD
Note: Available in Tape & Reel. Append the letters 鈥淭R鈥?to the part number. (i.e.
LX2203AILD-TR)
Copyright
漏
2004
Rev. 1.0a, 2005-10-21
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1

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