Datasheet LTC4009IUF-1 - Linear Technology Даташит ИС, зарядное устройство батареи аккумуляторов, 20QFN — Даташит

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Подробное описание

Производитель: Linear Technology

Описание: ИС, зарядное устройство батареи аккумуляторов, 20QFN

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Краткое содержание документа:
FeaTures
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LTC4009 LTC4009-1/LTC4009-2 High Efficiency, Multi-Chemistry Battery Charger DescripTion
The LTC®4009 is a constant-current/constant-voltage battery charger controller.

It uses a synchronous quasiconstant frequency PWM control architecture that will not generate audible noise with ceramic bulk capacitors. Charge current is set by the combination of external sense, input and programming resistors. With no built-in termination, the LTC4009 family charges a wide range of batteries under external control. The LTC4009 features a fully adjustable output voltage, while the LTC4009-1 and LTC4009-2 can be pin-programmed for lithium-ion/polymer battery packs of 1-, 2-, 3- or 4-series cells. The LTC4009-1 provides output voltage of 4.1V/cell, and the LTC4009-2 is a 4.2V/cell version. The device includes AC adapter input current limiting which maximizes the charge rate for a fixed input power level. An external sense resistor programs the input current limit, and the ICL status

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Your Electronic Engineering Resource
LTC4009 - High Efficiency, Multi-Chemistry Battery Charger
General Description:
The LTC4009 is a constant-current/constant-voltage battery charger controller. It uses a synchronous quasiconstant frequency PWM control architecture that will not generate audible noise with ceramic bulk capacitors. Charge current is set by the combination of external sense, input and programming resistors. With no built-in termination, the LTC4009 family charges a wide range of batteries under external control. The LTC4009 features a fully adjustable output voltage, while the LTC4009-1 and LTC4009-2 can be pin-programmed for lithium-ion/polymer battery packs of 1-, 2-, 3- or 4-series cells. The LTC4009-1 provides output voltage of 4.1V/cell, and the LTC4009-2 is a 4.2V/cell version. The device includes AC adapter input current limiting which maximizes the charge rate for a fixed input power level. An external sense resistor programs the input current limit, and th

Спецификации:

• Входное напряжение: 28 В
• Charge Current Max: 4 А
• Battery IC Case Style: QFN
• Количество выводов: 20
• SVHC: No SVHC (15-Dec-2010)
• Выходное напряжение максимальное: 28 В
• Диапазон напряжения питания: 6 В ... 28 В

RoHS: есть

Варианты написания:

LTC4009IUF1, LTC4009IUF 1