LX2203A データシートの表示（PDF） - Microsemi Corporation
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LX2203A Datasheet PDF : 11 Pages
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LX2203A
TM
®
Li-Ion Battery Charger
PRODUCTION DATA SHEET
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, the following specifications apply over the ambient temperature 0°C ≤ TA ≤ 70°C except where otherwise
noted and the following test conditions: VVIN = 5V, VBAT =3.8V, RCCP = 90.9k, RCTP = 150k.
Parameter
` MAIN CIRCUITRY
Symbol
Test Conditions
LX2203A
Units
Min Typ Max
Input Voltage
Quiescent Current
CTP Bias Voltage
CCP Bias Voltage
` CONSTANT VOLTAGE MODE
VVIN
IGND
VCTP
VCCP
VEN = Hi
VEN = Lo
4.35
6
V
3
5
mA
7
µA
1.25
V
1.25
V
BAT Output Voltage
Top Off Charge Droop Threshold
Charge Termination Taper Current
Taper Current @ Low Charge Level
` CONSTANT CURRENT MODE
VBAT(MAX)
VDRP
VDRP /VBAT(MAX)
VBAT = VBAT(MAX)
VBAT = VBAT(MAX); RCCP = 1.2M
4.16
4.2
4.24
V
96
97
98
%
42
51
60
mA
37
48
60
mA
BAT Constant Current
Conditioning Current
Conditioning Current Mode
Threshold Voltage
` LOGIC
ICOND
VBAT < VBAT(COND)
VBAT(COND) VBAT(COND) /VBAT(MAX)
0.9
1.0
1.1
A
4%
5%
6%
ICOND
IBAT
60
63
66
%
STAT Logic High Output
STAT Logic Low Output
EN Select Threshold
VSTAT
VSTAT
VEN
ISTAT = -100uA
ISTAT = 5mA
Logic Hi
Logic Lo
4.5
V
0.5
V
2.0
0.8
EN bias current
` THERMAL SHUTDOWN
IEN
VEN = Hi
8
µA
Maximum Junction Temperature
TJ
` PASS ELEMENT
150
°C
Reverse mode current
` UNDER VOLTAGE LOCKOUT
-IBAT
VVIN < VBAT
5
µA
Rising Threshold Voltage
VUVLO+
4.2
V
Falling Threshold Voltage
VUVLO-
3.9
V
Copyright © 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 3
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