Datasheet > EUP8086

EUP8086

更新时间： 2024-09-13 05:34:39

品牌	Logo	应用领域
德信 - EUTECH		转换器电池便携式
页数	文件大小	规格书
19页	563K
描述
Battery Charger and Step-Down Converter for Portable Applications

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中文翻译

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数据手册

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EUP8086 数据手册

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Preliminary

EUP8086

Battery Charger and Step-Down

Converter for Portable Applications

DESCRIPTION

FEATURES

The EUP8086 is

complete constant-current/

ꢀ

Battery Charger:

constant-voltage linear battery charger for a single-cell

4.2V lithium-ion battery with a 600mA step-down

converter. The input voltage range is 3.75V to 5.5V for the

battery charger and 2.6V to 5.5V for the step-down

converter, making it ideal for applications operating with

single-cell lithium-ion/polymer batteries.

- Input Voltage Range : 3.75 V to 5.5V

- Constant-Current/Constant-Voltage Operation

with Thermal Feedback to Maximize Charge

Rate Without Risk of Overheating

- Internal 4.5 Hour Safety Timer for Termination

- Charge Current Programmable Up to 500mA

with 5% Accuracy

The battery charger offers an integrated pass device,

reverse blocking protection, high accuracy current and

voltage regulation, charge status, and charge termination.

The charging current is programmable via external resistor

from 15mA to 500mA. In addition to these standard

features, the device offers current limit, thermal protection,

and soft-start.

- C/10 Charge Current Detection Output

- 5ꢀA Supply Current in Shutdown Mode

ꢀ

Synchronous Buck Converter:

- Input Voltage Range: 2.6V to 5.5V

- Output Voltage Range: 0.6V to V_IN

- 600mA Output Current

- Up to 90% Efficiency

- 36ꢀA Quiescent Current

The step-down converter is a highly integrated converter

operating at a 1.5MHz switching frequency, minimizing

the size of external components while keeping switching

losses low. It has independent input and enable pins. The

output voltage ranges from 0.6V to the input voltage.

- 1.5MHz Switching Frequency

- 120ꢀs Start-Up Time

Short-Circuit, Over-Temperature, and Current

Limit Protection

The EUP8086 is available in a 12-lead 3mm 3mm TDFN

package and is rated over the -40°C to 85°C temperature

range.

ꢀ

3mm

×3mm TDFN-12 Package

RoHS Compliant and 100% Lead (Pb)-Free

APPLICATIONS

ꢀ

Bluetooth Headsets

Cellular Phones

Handheld Instruments

MP3 and Handheld Computers

Portable Media Players

Typical Application Circuit

Figure 1.

DS8086 Ver 0.1 Aug. 2007

系：15999644579 83151715

12 3 4 5 6 7...19

中文翻译

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