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参数资料
| 型号： | LTC4059EDC#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 10/12页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHARGER LI-ION REG 6DFN |
| 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 ~ 8 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) |
| 其它名称： | LTC4059EDC LTC4059EDC-ND |
LTC4059/LTC4059A
APPLICATIO S I FOR ATIO
program resistor. The pole frequency at the PROG pin
should be kept above 500kHz. Therefore, if the PROG pin
is loaded with a capacitance, C PROG , the following equa-
tion should be used to calculate the maximum resistance
value for R PROG :
filter can be used on the PROG pin to measure the average
battery current as shown in Figure 4. A 20k resistor has
been added between the PROG pin and the filter capacitor
to ensure stability.
V CC Bypass Capacitor
R PROG ≤
1
2 π ? 5 ? 10 5 ? C PROG
Many types of capacitors can be used for input bypassing;
however, caution must be exercised when using multi-
Average, rather than instantaneous, battery current may
be of interest to the user. For example, if a switching power
supply operating in low current mode is connected in
parallel with the battery, the average current being pulled
out of the BAT pin is typically of more interest than the
instantaneous current pulses. In such a case, a simple RC
layer ceramic capacitors. Because of the self-resonant and
high Q characteristics of some types of ceramic capaci-
tors, high voltage transients can be generated under some
start-up conditions, such as connecting the charger input
to a live power source. For more information, refer to
Application Note 88.
LTC4059
PROG
GND
20k
R PROG
CHARGE CURRENT
MONTIOR CIRCUITRY
C FILTER
4059 F04
Figure 4. Isolating Capacitive Load on PROG Pin and Filtering
Figure 5. Photo of Typical Circuit (2.5mm × 2.7mm)
4059fb
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4059EDCTRMPBF | 制造商:Linear Technology 功能描述:Battery Charger Li-Ion 500mA 4.2V DFN6EP |
| LTC4060 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Standalone Linear NiMH/NiCd Fast Battery Charger |
| LTC4060EDHC | 制造商:Linear Technology 功能描述:Battery Charger NiCD/NiMH 2000mA -0.3V to 10.3V 16-Pin DFN EP |
| LTC4060EDHC#PBF | 功能描述:IC BATT CHARGER NIMH/NICD 16DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| LTC4060EDHC#TR | 制造商:Linear Technology 功能描述:Battery Charger NiCD/NiMH 2000mA -0.3V to 10.3V 16-Pin DFN EP T/R |
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