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参数资料
| 型号： | LT3650IMSE-8.2#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/22页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI-ION 8.2V 2A 12MSOP |
| 标准包装： | 37 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 9 V ~ 32 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-TSSOP （0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 12-MSOP，裸露焊盘 |
| 包装： | 管件 |
LT3650-8.2/LT3650-8.4
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at V IN = 20V, BOOST-SW = 4V, SHDN = 2V, SENSE = BAT = V BAT(FLT) , C TIMER = 0.68μF.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LT3650
V IN
V IN Operating Range
V IN Start Voltage
(Note 3)
l
l
9
32
11.5
V
V
V IN(OVLO)
OVLO Threshold
OVLO Hysteresis
V IN Rising
l
32
35
1
40
V
V
V IN(UVLO)
UVLO Threshold
UVLO Hysteresis
V IN Rising
8.7
0.2
V
V
V BAT(FLT)
Battery Float Voltage
LT3650-8.2
LT3650-8.4
l
l
8.16
8.12
8.36
8.32
8.2
8.4
8.24
8.28
8.44
8.48
V
V
V
V
?V RECHRG
V BAT(PRE)
V BAT(PREHYST)
Recharge Battery Threshold
Battery Precondition Threshold Voltage
Battery Precondition Threshold
Hysteresis
Threshold Voltage Relative to V BAT(FLT)
LTC3650-8.2
LTC3650-8.4
–200
5.65
5.80
90
mV
V
V
mV
I VIN
Operating Input Supply Current
CC/CV Mode, Switch-On, I SW = 0
Standby Mode
Shutdown ( SHDN = 0)
l
2.5
85
15
3.5
mA
μA
μA
I BOOST
I BOOST /I SW
V SW(ON)
I SW(MAX)
V SENSE(PRE)
BOOST Supply Current
BOOST Switch Drive
Switch-On Voltage Drop
Switch Current Limit
Precondition Current Sense Voltage
Switch-On, I SW = 0
2.5V < V (BOOST – SW) < 8.5V
I SW = 2A
V IN – V SW , I SW = 2A
V SENSE – V BAT
V BAT = 5
l
2.5
20
30
350
15
mA
mA/A
mV
A
mV
V CLP(DC)
CLP Threshold Voltage
V CLP – V IN ; V SENSE – V BAT = 50mV
l
37.5
50
62.5
mV
I CLP
CLP Input Bias Current
200
nA
V SENSE(DC)
V SENSE(C/10)
Maximum Current Sense Voltage
C/10 Trigger Sense Voltage
V SENSE – V BAT ; V BAT = 7.5V, V RNG/SS = 1.2V l
l
95
7.5
100
10
105
12.5
mV
mV
I BAT
I SENSE
BAT Input Bias Current
SENSE Input Bias Current
Charging Terminated
Charging Terminated
l
l
0.1
0.1
1
1
μA
μA
V NTC(H)
V NTC(L)
NTC Range Limit (High)
NTC Range Limit (Low)
V NTC Rising
V NTC Falling
l
l
1.25
0.27
1.36
0.29
1.45
0.315
V
V
V NTC(HYST)
NTC Threshold Hysteresis
% of Threshold
20
%
R NTC(DIS)
NTC Disable Impedance
Minimum External Impedance to GND
l
250
500
kΩ
I NTC
I RNG/SS
V RNG/SS / V SENSE
V SHDN
NTC Bias Current
I RNG/SS Bias Current
Current Limit Programming:
V RNG/SS /V SENSE(MAX)
Shutdown Threshold
V NTC = 0.8V
V RNG/SS = 0.5
Rising
l
l
l
l
47.5
45
8.5
1.17
50
50
10
1.20
52.5
55
11.5
1.23
μA
μA
V/V
V
V SHDN (HYST)
I SHDN
Shutdown Hysteresis
SHDN Input Bias Current
120
–10
mV
nA
36508284fd
3
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