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參數(shù)資料
| 型號： | LX2207ILD-TR |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MLPD-12 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 399K |
| 代理商： | LX2207ILD-TR |
LX2207
PRODUCTION DATA SHEET
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
Copyright
2007
Rev. 1.0a, 2007-10-08
WWW
.Microse
m
i
.CO
M
Three Level Lithium Ion Battery Charger
TM
ELECTRICAL CHA RACTERISTICS
The following specifications apply over the operating ambient temperature -40
°C
≤ T
A ≤ 85°C except where otherwise noted and the
following test conditions:. IN = 5.0V; SD = Low; H/L = High, 20% = High; BAT = 3.6V; HCP =12.1k, LCP=19.6k; TMP = 0V.
LX2207
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
INPUT CIRCUITRY
Input Voltage
VIN
4.35
6
V
Battery Voltage
VBAT
4.3
V
Under Voltage Charging Lockout
VIN UVLO
Rising input VBAT = 3.2V
3.5
3.8
4
V
UVLO Hysteresis
300
mV
VBAT = 4.2V; battery charged
1
2
mA
Input Supply Current
IIN
SHDN = High
35
50
A
BATTERY CHARGER
Constant Voltage Charging
VBAT
IBAT < 100mA
4.16
4.2
4.24
V
Constant Voltage Charging
VBAT
IBAT < 100mA @ 25C
4.18
4.2
4.22
V
HCP Bias Voltage
VHCP
IBAT > 100mA
1.25
V
LCP Bias Voltage
VLCP
1.25
V
HCP=12.1k
665
710
772
mA
H/L = Low
430
460
495
mA
Max Battery Charge Current
IBAT
H/L = Low, 20% = Low
84
92
97
mA
Conditioning Current
IBAT
VBAT < VCCT
13
23
33
mA
Conditioning Current
ICOND
VBAT < VCCT; HCP = 110k
2.6
4.6
7.8
mA
Conditioning Current Threshold
VBAT
Rising Battery Voltage
2.5
2.7
2.9
V
Charge Termination Current
IBAT
HCP = 19.6k
34
46
59
mA
Charge Termination Current
IBAT
HCP = 110k
9
mA
Charge Termination Current
IBAT
HCP = 210k
5
mA
Top Off Charge Droop Threshold
VBAT
96
97
98
BAT
CVL
V
%
V
VBAT = 4.2V; battery charged
1
30
A
VBAT > VIN
5
30
A
Battery Drain Current
IBAT
SD = High (Shutdown Mode)
1
5
A
LOGIC
STAT Logic High Output
VSTAT
VIN = 5.0V, IDRV = -10mA
4.2
4.5
5
V
STAT Logic Low Output
VSTAT
VIN = 5.0V, IDRV = 10mA
0.5
V
Logic Hi,
1.2
Input Logic : SD, H/L, 20%
VLOG(IN)
Logic Lo
0.4
V
Logic Hi, VLOG = 2V
0
2
4
Input Current : SD, H/L
ILOG(IN)
Logic Lo, VLOG = 0V
-2
0
2
A
Logic Hi, VLOG = 2V
-2
-0.8
2
Input Current : 20%
I20%(IN)
Logic Lo, VLOG = 0V
-2
-0.8
2
uA
Logic Hi, ILOG = 10k pullup to 3.3V
3.1
Output Logic : DCOK
VLOG(OUT)
Logic Lo, ILOG = 20mA
0.5
V
BATTERY TEMPERATURE MONITOR
Rising Threshold
0.75 x VIN
V
Cold Temp Fault Threshold
VCOLD
Falling Threshold
0.72 x VIN
V
Falling Threshold
0.28 x VIN
V
Hot Temp Fault Threshold
VHOT
Rising Threshold
0.30 x VIN
V
TFB Disable Voltage
VDIS
75
100
150
mV
Temp Loop Regulation
130
140
150
°C
EE
LL
EE
CC
TT
RR
IICC
AA
LL
SS
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