- LM3420M5X
- 参考价格:
- 发布者:凌晔科技
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详细信息
品牌:TI德州
封装:SOT23-5
批号:18+
数量*:1700000
描述:The LM3420 series of controllers are monolithic integrated circuits designed for charging and end-of-charge control for lithium-ion rechargeable batteries. The LM3420 is available in an 8.4-V version for one through four cell charger applications.
Included in a very small package is an (internally compensated) op amp, a bandgap reference, an NPN output transistor, and voltage setting resistors. The amplifier’s inverting input is externally accessible for loop frequency compensation. The output is an open-emitter NPN transistor capable of driving up to 15 mA of output current into external circuitry.
A trimmed precision bandgap reference utilizes temperature drift curvature correction for excellent voltage stability over the operating temperature range. The LM3420 series allows for precision end-of-charge voltage threshold for lithium-ion rechargeable batteries. The premium grade LM3420A is available with an initial voltage threshold tolerance of ±0.5%, while the standard grade LM3420 has an initial voltage threshold tolerance of ±1%.
The LM3420 is available in a sub-miniature 5-lead surface mount package thus allowing very compact designs.
产品特性
Input Voltage Range: up to 20 V
Voltage Options for Charging 1, 2, 3, or 4 Cells
Output Current up to 15 mA
Precision (0.5%) End-of-Charge Control
LM3420 ±1%
LM3420A ±0.5%
LM3420 ±1%
LM3420A ±0.5%
Drive Capability for External Power Stage
Temperature Drift Curvature Correction for
Voltage Stability
Low Quiescent Current, 85 μA (Typ.)
Tiny SOT-23-5 package
深圳市凌晔科技有限公司
广东省深圳市福田区华强广场C座13L
TEL:13544017528
qq: 869030400
E-mail:869030400@qq.com
封装:SOT23-5
批号:18+
数量*:1700000
描述:The LM3420 series of controllers are monolithic integrated circuits designed for charging and end-of-charge control for lithium-ion rechargeable batteries. The LM3420 is available in an 8.4-V version for one through four cell charger applications.
Included in a very small package is an (internally compensated) op amp, a bandgap reference, an NPN output transistor, and voltage setting resistors. The amplifier’s inverting input is externally accessible for loop frequency compensation. The output is an open-emitter NPN transistor capable of driving up to 15 mA of output current into external circuitry.
A trimmed precision bandgap reference utilizes temperature drift curvature correction for excellent voltage stability over the operating temperature range. The LM3420 series allows for precision end-of-charge voltage threshold for lithium-ion rechargeable batteries. The premium grade LM3420A is available with an initial voltage threshold tolerance of ±0.5%, while the standard grade LM3420 has an initial voltage threshold tolerance of ±1%.
The LM3420 is available in a sub-miniature 5-lead surface mount package thus allowing very compact designs.
产品特性
Input Voltage Range: up to 20 V
Voltage Options for Charging 1, 2, 3, or 4 Cells
Output Current up to 15 mA
Precision (0.5%) End-of-Charge Control
LM3420 ±1%
LM3420A ±0.5%
LM3420 ±1%
LM3420A ±0.5%
Drive Capability for External Power Stage
Temperature Drift Curvature Correction for
Voltage Stability
Low Quiescent Current, 85 μA (Typ.)
Tiny SOT-23-5 package
深圳市凌晔科技有限公司
广东省深圳市福田区华强广场C座13L
TEL:13544017528
qq: 869030400
E-mail:869030400@qq.com
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