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参数资料
| 型号： | LTC4069EDC#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 16/18页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI-ION 6-DFN |
| 标准包装： | 500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 3.75 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WFDFN 裸露焊盘 |
| 供应商设备封装： | 6-DFN-EP（2x2） |
| 包装： | 带卷 (TR) |
LTC4069
APPLICATIONS INFORMATION
? 1 ? ? 100
? ? 6.14 ? R
Temperature Error( ° C) =
? 6.13 ? 1 ? ? 100
? 6.14 ?
? 5
NTC Trip Point Error
When a 1% resistor is used for R HOT , the major error in
the 40°C trip point is determined by the tolerance of the
NTC thermistor. A typical 100k NTC thermistor has ±10%
tolerance. By looking up the temperature coefficient of the
thermistor at 40°C, the tolerance error can be calculated
in degrees centigrade. Consider the Vishay NTHS0603N-
01N1003J thermistor, which has a temperature coeffi-
cient of – 4%/°C at 40°C. Dividing the tolerance by the
temperature coefficient, ±5%/(4%/°C) = ±1.25°C, gives
the temperature error of the hot trip point.
The cold trip point error depends on the tolerance of the
NTC thermistor and the degree to which the ratio of its
value at 0°C and its value at 40°C varies from 6.14 to
1. Therefore, the cold trip point error can be calculated
using the tolerance, TOL, the temperature coefficient
of the thermistor at 0°C, TC (in %/°C), the value of the
thermistor at 0°C, R COLD , and the value of the thermistor
at 40°C, R HOT . The formula is:
? 1 + TOL R COLD ?
HOT ?
TC
For example, the Vishay NTHS0603N01N1003J thermistor
with a tolerance of ±5%, TC of –5%/°C and R COLD /R HOT
of 6.13, has a cold trip point error of:
? 1 + 0.05 ?
Temperature Error( ° C) =
= ? 0.95 ° C, 1.05 ° C
PACKAGE DESCRIPTION
DC6 Package
6-Lead Plastic DFN (2mm × 2mm)
(Reference LTC DWG # 05-08-1703 Rev B)
0.70 ± 0.05
R = 0.125
TYP
0.56 ± 0.05
(2 SIDES)
4
6
0.40 ± 0.10
1.15 ± 0.05 0.61 ± 0.05
2.55 ± 0.05
(2 SIDES)
PACKAGE
OUTLINE
0.25 ± 0.05
0.50 BSC
1.42 ± 0.05
(2 SIDES)
PIN 1 BAR
TOP MARK
(SEE NOTE 6)
0.200 REF
2.00 ± 0.10
(4 SIDES)
0.75 ± 0.05
R = 0.05
TYP
PIN 1 NOTCH
R = 0.20 OR
0.25 × 45 °
CHAMFER
(DC6) DFN REV B 1309
3 1
0.25 ± 0.05
0.50 BSC
1.37 ± 0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WCCD-2)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
TOP AND BOTTOM OF PACKAGE
0.00 – 0.05
BOTTOM VIEW—EXPOSED PAD
16
For more information www.linear.com/LTC4069
4069fc
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| LTC4070EDDB#TRMPBF | 功能描述:IC LI-ION/POLY BATT CHARGER 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料，电量检测计/监控器 电池化学:锂离子（Li-Ion） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2 |
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