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参数资料
| 型号： | LTC4061EDD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHARGER LI-ION 10-DFN |
| 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： | 4.3 V ~ 8 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN（3x3） |
| 包装： | 管件 |
LTC4061
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V CC = 5V, unless otherwise noted.
SYMBOL
R EN
V EN
V CT
V UT
I DETECT
ΔV RECHRG
t SS
t TERM
t RECHRG
t TIMER
R C/5
V C/5
V NTC-HOT
V NTC-COLD
V NTC-DIS
f CHRG
PARAMETER
EN Pin Pull-Down Resistor
EN Input Threshold Voltage
Charge Termination Mode Threshold
Voltage
User Termination Mode Threshold
Voltage
Charge Current Detection Threshold
Recharge Threshold Voltage
Soft-Start Time
Termination Comparator Filter Time
Recharge Comparator Filter Time
Charge Cycle Time
C/5 Pin Pull-Down Resistor
C/5 Input Threshold Voltage
NTC Pin Hot Threshold Voltage
NTC Pin Cold Threshold Voltage
NTC Pin Disable Threshold Voltage
NTC Fault Pulsing Frequency
CONDITIONS
EN Rising, 4.3V < V CC < 8V
Hysteresis
V TIMER from High to Low
Hysteresis
V TIMER from Low to High
Hysteresis
R DET = 1k, 0 ≤ T A ≤ 85°C
R DET = 2k, 0 ≤ T A ≤ 85°C
R DET = 10k, 0 ≤ T A ≤ 85°C
R DET = 20k, 0 ≤ T A ≤ 85°C
V FLOAT – V RECHRG , 0 ≤ TA ≤ 85°C
I BAT from 0 to I CHRG
Current Termination Mode
C TIMER = 0.1μF
C/5 Rising, 4.3V < V CC < 8V
Hysteresis
V NTC Falling
V NTC Rising
V NTC Rising
V NTC Falling
V NTC Falling
Hysteresis
Current/User Termination Mode
Time Termination Mode C TIMER = 0.1μF
l
l
MIN
2
0.4
0.4
3.9
90
45
8
3.8
65
0.8
3
2.55
2
0.4
70
1
TYP
3.4
0.7
70
0.7
50
4.2
50
100
50
10
5
100
100
1.5
7
3
3.4
0.7
70
0.35 ? V CC
0.36 ? V CC
0.76 ? V CC
0.75 ? V CC
85
50
1.5
1.5
MAX
5
1
1
110
55
12
6.2
135
2.5
14
3.45
5
1
100
2
UNITS
MΩ
V
mV
V
mV
V
mV
mA
mA
mA
mA
mV
μs
ms
ms
hr
MΩ
V
mV
V
V
V
V
mV
mV
Hz
Hz
T LIM
Junction Temperature in Constant
Temperature Mode
105
°C
R ON
Power FET On-Resistance
(Between V CC and BAT )
V BAT = 3.85V, I CC = 175mA, R PROG = 2k
375
mΩ
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC4061 is guaranteed to meet performance specifications
from 0°C to 70°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Failure to correctly solder the exposed pad of the package to the
PC board will result in a thermal resistance much higher than 40°C/W.
Note 4: Supply current includes PROG pin current and I DET pin current
(approximately 100μA each) but does not include any current delivered to
the battery through the BAT pin (approximately 100mA).
Note 5: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions.
Overtemperature protection will become active at a junction temperature
greater than the maximum operating temperature. Continuous operation
above the specified maximum operating junction temperature may impair
device reliability.
4061fd
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相关代理商/技术参数 |
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