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| 型号： | MIC79110YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER BATT LI-ON ADJ 10MLF |
| 标准包装： | 1 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.5 V ~ 16 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘，10-MLF? |
| 供应商设备封装： | 10-MLF?（3x3） |
| 包装： | 标准包装 |
| 产品目录页面： | 1081 (CN2011-ZH PDF) |
| 其它名称： | 576-1320-6 |
MIC79110
Simple 1.2A Linear Li-ion Battery Charger
General Description
The Micrel MIC79110 is a simple and accurate lithium-ion
battery charger. The part features a built-in pass transistor,
precision programmable current limiting (±5%), and
precision voltage termination (±0.75% over temperature).
The MIC79110 packs full functionality into a small space.
Other features of the MIC79110 include two independent
Features
? Input voltage range: 2.5V to 16V
? High output voltage accuracy of ±0.75% over –5°C to
+60?C
? Current limit ±5% accurate from – 5°C ≤ T J ≤ + 125°C
? Programmable end-of-charge flag
? Analog output proportional to output current
indicators: a digital end-of-charge
signal that
is
? Adjustable and fixed 4.2V output
programmable with a resistor-to-ground and an analog
current output that is proportional to the output current,
allowing for monitoring of the actual charging current.
Additional features include very low dropout (550mV over
the temperature range), thermal shutdown, and reverse
polarity protection. In the event the input voltage to the
charger is disconnected, the MIC79110 also provides
minimal reverse-current and reversed-battery protection.
Available in both ?xed 4.2V and adjustable outputs, the
MIC79110 is offered in the leadless 10-pin 3mm × 3mm
DFN with an operating junction temperature range of
– 40?C to +125?C .
? Low dropout voltage of 550mV at 700mA load, over
temperature
? 1.2A maximum charge current
? Excellent line and load regulation specifications
? Reverse-current protection
? Thermal-shutdown and current-limit protection
? Tiny 10-pin 3mm × 3mm DFN package
? Junction temperature range: –40°C to +125°C
Applications
? Cellular phones and PDAs
Datasheets and support documentation are available on
Micrel’s web site at: www.micrel.com .
?
?
?
?
?
Digital cameras and camcorders
MP3 players
Notebook PCs
Portable Meters
Cradle/car chargers, and battery packs
Typical Application
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
May 21, 2013
052113-2.0 (while in progress)
Revision 2.0 (final document)
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