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参数资料
| 型号： | LTC4056ETS8-4.2#TR |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC CHARGR BATTERY L-ION TSOT23-8 |
| 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： | 4.5 V ~ 6.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 薄型，TSOT-23-8 |
| 供应商设备封装： | TSOT-23-8 |
| 包装： | 带卷 (TR) |
| 其它名称： | LTC4056ETS8-4.2TR |
LTC4056-4.2
ABSOLUTE
(Note 1)
AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
Input Supply Voltage (V CC ) ........................ – 0.3V to 10V
BAT, CHRG ................................................ – 0.3V to 10V
TOP VIEW
ORDER PART
NUMBER
7
DRIVE, PROG, TIMER/SHDN ....... – 0.3V to (V CC + 0.3V)
Output Current (I SENSE ) ...................................... 900mA
Short-Circuit Duration (BAT, I SENSE ) ............Continuous
Junction Temperature ........................................... 125 ° C
V CC 1
I SENSE 2
DRIVE 3
GND 4
8 CHRG
TIMER/
SHDN
6 BAT
5 PROG
LTC4056ETS8-4.2
TS8 PART
Operating Ambient Temperature Range
(Note 2) .............................................. – 40 ° C to 85 ° C
Storage Temperature Range ................. – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
TS8 PACKAGE
8-LEAD PLASTIC SOT-23
T JMAX = 125 ° C, θ JA = 120 ° C/W TO 200 ° C/W
DEPENDING ON PC BOARD LAYOUT
MARKING
LTG5
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V CC = 5V.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V CC Supply
V CC
Input Supply Voltage (Note 3)
q
4.5
6.5
V
I CC
I SHDN
Quiescent V CC Supply Current
V CC Supply Current in Manual Shutdown
V BAT = 4.5V (Forces I DRIVE = 0)
I PROG = 200 μ A (R PROG = 5k)
V TIMER/SHDN = 0V
q
400
40
600
60
μ A
μ A
I BMS
Battery Drain Current in
V TIMER/SHDN = 0V
q
–1
0
1
μ A
Manual Shutdown (Note 4)
I BSL
Battery Drain Current in
V CC = 0V
q
–1
0
1
μ A
Sleep Mode (Note 5)
V UVLOI
V UVLOD
Undervoltage Rising Threshold
Undervoltage Falling Threshold
V CC Increasing
V CC Decreasing
q
q
4.325
4.275
4.40
4.35
4.475
4.425
V
V
V UVHYS
V UVCL
Undervoltage Hysteresis
Undervoltage Charge Current Limit Threshold
V UVLOI -V UVLOD
50
4.575
mV
V
V UVCL -V UVLOI UV Charge Current to UVLO Threshold Margin
q
90
170
250
mV
Charging Performance
V FLOAT
I BAT
Output Float Voltage in
Constant Voltage Mode
Output Full-Scale Current in
Constant Current Mode
I BAT = 10mA
I BAT = 10mA, 4.75V ≤ V CC ≤ 6.5V
R PROG = 5k, 4.75V ≤ V CC ≤ 6.5V,
PNP Beta > 50, 0 ° C ≤ T A ≤ 85 ° C
q
4.175
4.158
137
4.200
4.200
183
4.225
4.242
228
V
V
mA
R PROG = 1.43k, 4.75V ≤ V CC ≤ 6.5V,
PNP Beta > 50, 0 ° C ≤ T A ≤ 85 ° C
590
640
690
mA
I DSINK
Drive Output Current
V DRIVE = 3V
q
30
mA
I TRIKL
Trickle Charge Current
V BAT = 2V, R PROG = 5k
V BAT = 2V, R PROG = 1.43k
5
12
7
20
10
28
mA
mA
V TRIKL
? V TRIKL
V PROG1
V PROG2
Trickle Charge Threshold Voltage
Trickle Charge Hysteresis Voltage
PROG Pin Voltage
PROG Pin Voltage
V BAT Falling
R PROG = 5k (I PROG = 200 μ A)
R PROG = 1.43k (I PROG = 700 μ A)
q
q
q
2.73
45
0.98
0.98
2.80
70
1
1
2.87
95
1.02
1.02
V
mV
V
V
405642f
2
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相关代理商/技术参数 |
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| LTC4057 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT |
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| LTC4057ES5-4.2#TR | 功能描述:IC CHARGR BATTERY L-ION TSOT23-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 功能:电源管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:4.35 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
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