参数资料
型号: LTC4002ES8-4.2#TR
厂商: Linear Technology
文件页数: 2/16页
文件大小: 0K
描述: IC CHARGER BATTERY LI-ION 8-SOIC
标准包装: 2,500
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 4.7 V ~ 22 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
LTC4002
ABSOLUTE
AXI U RATI GS (Note 1)
Supply Voltage (V CC ) .............................................. 24V
GATE .................................................. (V CC – 8V) to V CC
BAT, SENSE .............................................. – 0.3V to 14V
CHRG, NTC ................................................. – 0.3V to 8V
PACKAGE/ORDER I FOR ATIO
Operating Temperature Range (Note 4) .. – 40 ° C to 85 ° C
Storage Temperature Range ................. – 65 ° C to 125 ° C
Lead Temperature (S8 Package)
(Soldering, 10 sec) ........................................... 300 ° C
TOP VIEW
ORDER PART
ORDER PART
COMP
1
10 NC
NUMBER
TOP VIEW
NUMBER
V CC
GATE
PGND
2
3
4
11
9 NTC
8 SENSE
7 BAT
LTC4002EDD-4.2
LTC4002EDD-8.4
COMP 1
V CC 2
GATE 3
8
7
6
NTC
SENSE
BAT
LTC4002ES8-4.2
LTC4002ES8-8.4
SGND 5 6 CHRG
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T JMAX = 125 ° C, θ JA = 43 ° C/W
EXPOSED PAD IS GND (PIN 11)
DD PART MARKING
LAGG
LBGY
GND 4 5 CHRG
S8 PACKAGE
8-LEAD PLASTIC SO
T JMAX = 125 ° C, θ JA = 110 ° C/W
S8 PART MARKING
400242
400284
MUST BE SOLDERED TO PCB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
(LTC4002-4.2) The ● denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T A = 25 ° C. V CC = 10V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC Characteristics
V CC
I CC
V CC Supply Voltage
V CC Supply Current
Current Mode
Shutdown Mode
Sleep Mode
4.7
3
3
10
22
5
5
20
V
mA
mA
μ A
V BAT(FLT)
Battery Regulated Float Voltage
5V ≤ V CC ≤ 22V (Note 2)
4.168
4.2
4.232
V
4.158
4.242
V
V SNS(CHG) Constant Current Sense Voltage
3V ≤ V BAT ≤ 4V (Note 3)
0 ° C ≤ T A ≤ 85 ° C
93
100
107
mV
–40 ° C ≤ T A ≤ 85 ° C
90
110
mV
V SNS(TRKL) Trickle Current Sense Voltage
V BAT = 0V (Note 3)
5
10
15
mV
V TRKL
V UV
Trickle Charge Threshold Voltage
V CC Undervoltage Lockout Threshold Voltage
V BAT Rising
V CC Rising
2.75
3.9
2.9
4.2
3.05
4.5
V
V
? V UV
V CC Undervoltage Lockout Hysteresis Voltage
200
mV
V MSD
V ASD
I COMP
I CHRG
V CHRG
R EOC
Manual Shutdown Threshold Voltage
Automatic Shutdown Threshold Voltage
COMP Pin Output Current
CHRG Pin Weak Pull-Down Current
CHRG Pin Output Low Voltage
End-of-Charge Ratio
COMP Pin Falling
V CC – V BAT
V COMP = 1.2V
V CHRG = 1V
I CHRG = 1mA
V SNS(EOC) /V SNS(CHG)
200
15
10
360
250
100
25
0.15
25
500
35
0.3
32
mV
mV
μ A
μ A
V
%
t TIMER
Charge Time Accuracy
10
%
4002f
2
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