參數(shù)資料
型號(hào): LM3621
廠商: National Semiconductor Corporation
英文描述: Single Cell Lithium-Ion Battery Charger Controller
中文描述: 單節(jié)鋰離子電池充電控制器
文件頁(yè)數(shù): 3/14頁(yè)
文件大?。?/td> 334K
代理商: LM3621
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage, V
DD
All pins
Power Dissipation
ESD Susceptibility (Note 2)
Junction Temperature
Storage Temperature
6.0V
0.3 V
V
V
DD
+0.3V
100 mV
2kV
150C
65C to +150C
Lead Temperature,
soldering
Vapor Phase (60 sec)
Infrared (15 sec)
+215C
+220C
Operating Ratings
Ambient Temperature Range
Supply Voltage Range (Note 3)
0C
T
A
70C
3.0V
V
DD
5.5V
Electrical Characteristics
V
= 4.2V unless otherwise specified. Specifications with standard type face are for T
A
= 25C, and those with
boldface type
apply over
full operating temperature range
.
Symbol
Parameter
Conditions
V
OUT
Battery Regulation Voltage (Note
4)
V
SET
= HI
Min
4.18
4.16
4.08
4.06
Typ
4.2
Max
4.22
4.24
4.12
4.14
Units
V
V
V
V
Charge termination voltage for
Charge termination voltage for
V
SET
=LO
Battery conditioning (Hi-Z) charge
mode, LM3621M-3.0
Battery conditioning (Hi-Z) charge
mode, LM3621M
Monitor Mode float voltage for
V
SET
= HI
Monitor Mode float voltage for
V
SET
= LO
Fast Charge Mode
Conditioning (Hi-Z) Charge Mode
Boost Mode
Overvoltage Fault Threshold for
V
SET
= HI
Overvoltage Fault Threshold for
V
SET
= LO
Battery Resistance Free Voltage
Threshold
Conditioning (Hi-Z) Charge Mode
Threshold
4.1
2.95
3.1
3.25
V
4.05
4.1
4.15
V
4.05
4.09
4.13
V
3.80
3.85
3.90
V
V
CSR
Charge Current Regulation
Voltage (Notes 5, 16)
0.475
0.04
0.855
0.5
0.05
0.9
0.525
0.06
0.945
V
V
V
V
BAT
-Det
Battery Voltage Detection
Threshold (Note 6)
4.28
4.40
4.50
V
4.18
4.30
4.40
V
3.55
3.65
3.75
V
2.45
2.40
2.55
2.65
2.70
V
V
V
CSR
-Det
Charge Current Voltage Detection
Threshold (Notes 7, 16)
End of charge threshold
Over Current Fault Threshold
Standby Mode with I
OUT
= 0 mA
V
MCO
= 1.0V
I
OUT
= 1 mA, V
DD
= 5.5V
I
OUT
= 1 mA, V
DD
= 3.0V
40
1
3
mV
V
mA
mA
V
V
0.95
1.05
5
20
IQ
I
OUT
V
MCO
Quiescent Current
MCO Output Source Current
Maximum MCO Output Voltage
4.9
2.9
GM-V
V-Reg Loop Error Amp
Transconductance
V-Reg Loop Error Amp Slew
Current
I-Reg Loop Error Amp
Transconductance
I-Reg Loop Error Amp Slew
Current
1 Hour Timer
0.1
mA/V
I
SLEW
-V
100
μA
GM-I
1
mA/V
I
SLEW
-I
200
μA
T
HR
55
60
65
min
3
www.national.com
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