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LTC3559EUD-1#PBF PDF预览

LTC3559EUD-1#PBF

更新时间: 2024-01-26 14:15:10
品牌 Logo 应用领域
凌特 - Linear 电池
页数 文件大小 规格书
24页 301K
描述
LTC3559/LT3559-1 - Linear USB Battery Charger with Dual Buck Regulators; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C

LTC3559EUD-1#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:QFN包装说明:HVQCCN,
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.2模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:4.3 V
标称输入电压:5 VJESD-30 代码:S-PQCC-N16
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:最大输出电流:1.05 A
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:0.8 mm表面贴装:YES
切换器配置:BUCK最大切换频率:2590 kHz
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

LTC3559EUD-1#PBF 数据手册

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LTC3559/LTC3559-1  
Linear USB Battery Charger  
with Dual Buck Regulators  
FEATURES  
DESCRIPTION  
The LTC®3559/LTC3559-1 are USB battery chargers with  
dual high efficiency buck regulators. The parts are ideally  
suitedtopowersingle-cellLi-Ion/Polymerbasedhandheld  
applications needing multiple supply rails.  
Battery Charger  
n
Standalone USB Charger  
n
Up to 950mA Charge Current Programmable via  
Single Resistor  
n
HPWR Input Selects 20% or 100% of Programmed  
Battery charge current is programmed via the PROG pin  
and the HPWR pin, with capability up to 950mA at the BAT  
pin. The battery charger has an NTC input for temperature  
qualified charging. The CHRG pin allows battery status to  
be monitored continuously during the charging process.  
An internal timer controls charger termination.  
Charge Current  
n
NTC Input for Temperature Qualified Charging  
n
Internal Timer Termination  
Bad Battery Detection  
CHRG Indicates C/10 or Timeout  
n
n
Buck Regulators  
Each monolithic synchronous buck regulator provides up  
to 400mA of output current while operating at efficiencies  
greater than 90% over the entire Li-Ion/Polymer range.  
A MODE pin provides the flexibility to place both buck  
regulators in a power saving Burst Mode® operation or a  
low noise pulse skip mode.  
n
400mA Output Current  
n
2.25MHz Constant Frequency Operation  
n
Zero Current in Shutdown  
Low Noise Pulse Skip Operation or Power Saving  
Burst Mode Operation  
Low No-Load Quiescent Current: 35μA  
Available in a Low Profile Thermally Enhanced  
16-Lead 3mm × 3mm QFN Package  
n
n
n
The LTC3559/LTC3559-1 are offered in a low profile ther-  
mally enhanced 16-lead (3mm × 3mm) QFN package.  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
APPLICATIONS  
n
SD/Flash-Based MP3 Players  
Low Power Handheld Applications  
n
TYPICAL APPLICATION  
USB Charger Plus Dual Buck Regulators  
UP TO 500mA  
USB (4.3V TO 5.5V)  
OR AC ADAPTOR  
V
CC  
BAT  
SINGLE  
+
1μF  
Li-lon CELL  
PV  
IN  
(2.7V TO 4.2V)  
2.2μF  
NTC  
LTC3559  
4.7μH  
22pF  
1.74k  
2.5V  
PROG  
SW1  
FB1  
400mA  
655k  
309k  
10μF  
CHRG  
SUSP  
HPWR  
EN1  
DIGITAL  
CONTROL  
4.7μH  
22pF  
1.2V  
400mA  
SW2  
FB2  
324k  
10μF  
EN2  
649k  
MODE  
GND  
EXPOSED  
PAD  
3559 TA01  
3559fb  
1

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