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LT3653EDCB#TRMPBF

更新时间: 2024-02-08 09:16:19
品牌 Logo 应用领域
凌特 - Linear 电池光电二极管
页数 文件大小 规格书
12页 142K
描述
LT3653 - 1.2A, HV Input Regulator with Output Current Limit for Battery Charger Applications; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C

LT3653EDCB#TRMPBF 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVSON,
针数:8Reach Compliance Code:compliant
风险等级:5.65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:30 V最小输入电压:7.5 V
标称输入电压:12 VJESD-30 代码:R-PDSO-N8
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:8最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:1.2 A
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260座面最大高度:0.8 mm
表面贴装:YES切换器配置:BUCK
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.45 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:2 mmBase Number Matches:1

LT3653EDCB#TRMPBF 数据手册

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LT3653  
1.2A, HV Input Regulator  
with Output Current Limit for  
Battery Charger Applications  
DESCRIPTION  
FEATURES  
TheLT®3653isamonolithiccurrentmodePWMstep-down  
regulatorwithprogrammableoutputcurrentlimit.Typically,  
it is used with battery charger power path controllers to  
pre-regulate the output and optimize the battery charger  
efficiency. Output current limit provides accurate control  
over system power dissipation.  
n
Wide Input Range:  
– Operation from 7.5V to 30V  
– Overvoltage Lockout Protects Circuit Through 60V  
Transients  
n
Operates with LTC Bat-Track™ Li-Ion Battery  
Chargers to Maximize Efficiency  
n
No Reverse Discharge Path from V  
to V  
IN  
OUT  
The wide operating input voltage range of 7.5V to 30V  
suits the LT3653 to a variety of input sources, including  
unregulated 12V wall adapters, 24V industrial supplies,  
Firewire and automotive power. Input overvoltage protec-  
tion allows the LT3653 to handle 60V input transients.  
n
n
n
n
n
Programmable Output Current Limit  
Integrated BOOST Diode  
Thermal Protection  
Small Application Size  
Thermally Enhanced 2mm × 3mm DFN Package  
TheLT3653controlpin,V ,isavailableforexternalbattery  
C
tracking control, Bat-Track. The LT3653 will block output  
APPLICATIONS  
discharge during an open or shorted input.  
n
Battery Powered Equipment  
The HVOK pin indicates that the internal bias supplies  
are present and no faults have occurred (i.e., overtem-  
perature and input overvoltage and undervoltage). The  
LT3653 includes a 1.5MHz frequency oscillator, internal  
compensation,andaninternalboostdiodetominimizethe  
number of external components. The LT3653 is available  
in an 8-lead (2mm × 3mm) package with exposed pads  
for low thermal resistance.  
n
Portable USB Devices – Cameras, MP3 Players,  
PDAs  
n
Automotive Battery Regulation  
n
Multiple-Source Battery Chargers  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
Bat-Track is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners.  
TYPICAL APPLICATION  
Efficiency vs Load Current  
High Voltage Single-Cell Battery Charger Application  
100  
0.1μF  
V
IN  
7.5V TO 30V  
TRANSIENT  
TO 60V  
BOOST  
SW  
V
IN  
90  
V
V
= 8V  
IN  
IN  
4.7μF  
27.4k  
80  
70  
60  
50  
40  
4.7μH  
V
= 12V  
IN  
LT3653  
= 24V  
I
SENSE  
1.2A  
SYSTEM  
LOAD  
I
V
OUT  
LIM  
10μF  
OUT  
HVOK  
WALL  
LTC4098  
BAT  
GND  
V
C
V
C
3653 TA01a  
+
0.1  
0.3  
0.5  
0.7  
0.9  
1.1  
1.3  
SINGLE-CELL  
Li-Ion  
OUTPUT CURRENT(A)  
3653 TA01a  
3653f  
1

LT3653EDCB#TRMPBF 替代型号

型号 品牌 替代类型 描述 数据表
LT3653EDCB#TRPBF Linear

完全替代

LT3653 - 1.2A, HV Input Regulator with Output Current Limit for Battery Charger Applicatio

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