LTC4063EDD#TR

更新时间： 2024-01-06 19:26:00

品牌	Logo	应用领域
凌特 - Linear		稳压器电池
页数	文件大小	规格书
20页	209K
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中文翻译

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数据手册

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LTC4063EDD#TR 数据手册

LTC4063

Standalone Linear Li-Ion

Charger with Micropower

Low Dropout Linear Regulator

FEATURES

DESCRIPTIO

■

Charge Current Programmable up to 1A

Integrated 100mA Adjustable Low Dropout Linear

TheLTC^®4063isastandalonelinearchargerforsinglecell

lithium-ion batteries with an adjustable low dropout linear

regulator (LDO). The adjustable LDO regulates an output

voltage between 1.2V to 4.2V at up to 100mA load current.

When the input supply (wall adapter or USB supply) is

removed, the LDO regulates the output voltage without

interruption.ThebatterychargerandLDOregulatorcanbe

enabled individually.

■

Regulator

■

Charges Single Cell Li-Ion Batteries Directly from

USB Port

■

Preset Charge Voltage with ±0.35% Accuracy

No External MOSFET, Sense Resistor or Blocking

■

Diode Needed

Thermal Regulation Maximizes Charge Rate

■

No external sense resistor or external blocking diode is

requiredforchargingduetotheinternalMOSFETarchitec-

ture. Internal thermal feedback regulates the charge cur-

rent to maintain a constant die temperature during high

power operation or high ambient temperature conditions.

The float voltage is fixed at 4.2V and the charge current is

programmedwithanexternalresistor.Chargetermination

methods include minimum charge current or maximum

time. With power applied, the LTC4063 can be put into

shutdown mode to reduce the supply current to 35µA and

the battery drain current to less than 2µA.

Without Risk of Overheating*

Adjustable LDO Output Voltage Range:

■

1.2V to 4.2V

Programmable Charge Termination Timer

■

Programmable Charge Current Detection/Termination

SmartStart^TMProlongs Battery Life

■

Charge Status Output

■

35µA Charger Quiescent Current in Shutdown

■

15µA LDO Quiescent Current

■

Available in a Low Profile (0.75mm) 10-Lead

(3mm × 3mm) DFN Package

Other features include smart recharge, undervoltage lock-

out, LDO current limiting and a charge status pin to

indicate when the charge cycle has completed.

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

SmartStart is a trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

*Protected by U.S. Patents including 6522118.

APPLICATIO S

■

Handheld Computers

Portable MP3 Players

Digital Cameras

■

TYPICAL APPLICATIO

Complete Charge Cycle (900mAh Battery)

800

700

600

500

400

300

200

100

4.75

4.50

4.25

4.00

3.75

3.50

3.25

3.00

2.75

Single Cell Li-Ion Battery Charger with Regulated 3V Output

(C/10 Termination)

CONSTANT CURRENT

CONSTANT

VOLTAGE

700mA

BAT

OUT

4.3V TO 8V

LTC4063

OUT

1µF

440k

160k

4.2V

SINGLE CELL

Li-Ion BATTERY

TIMER

PROG

IDET

2.2µF

= 5V

GND

715Ω

= 25°C

1.25

1.50 1.75

0.25 0.50 0.75

2 2.25

4063 TA01a

4063 TA01b

TIME (HOURS)

4063fb

12 3 4 5 6 7...20

中文翻译

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与LTC4063EDD#TR相关器件

型号	品牌	获取价格	描述	数据表
LTC4063EDD#TRPBF	Linear	获取价格	LTC4063 - Standalone Linear Li-Ion Charger with Micropower Low Dropout Linear Regulator; P
LTC4064	Linear	获取价格	Monolithic Linear Charger for Back-Up Li-Ion Batteries
LTC4064	ADI	获取价格	用于备用锂离子电池的单片线性充电器
LTC4064EMSE	Linear	获取价格	Monolithic Linear Charger for Back-Up Li-Ion Batteries
LTC4065	Linear Systems	获取价格	Standalone 250mA Li-Ion Battery Charger in 2
LTC4065	Linear	获取价格	Standalone 750mA Li-Ion Battery Charger in 2
LTC4065	ADI	获取价格	2 x 2 DFN 封装的独立 750mA 锂离子电池充电器
LTC4065_15	Linear	获取价格	Standalone 750mA Li-Ion Battery Charger
LTC4065-4.4	Linear	获取价格	Standalone 750mA Li-Ion Battery Charger in 2
LTC4065-4.4	ADI	获取价格	2mm x 2mm DFN 封装的独立 750mA 锂离子电池充电器

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