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LTC3225EDDB#TRPBF PDF预览

LTC3225EDDB#TRPBF

更新时间: 2024-11-05 21:13:27
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
14页 268K
描述
LTC3225 - 150mA Supercapacitor Charger; Package: DFN; Pins: 10; Temperature Range: -40°C to 85°C

LTC3225EDDB#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DFN包装说明:VSON, SOLCC10,.08,20
针数:10Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.22模拟集成电路 - 其他类型:SWITCHED CAPACITOR CONVERTER
最大输入电压:5.5 V最小输入电压:2.8 V
标称输入电压:3.6 VJESD-30 代码:R-PDSO-N10
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:10最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.175 A
标称输出电压:4.8 V封装主体材料:PLASTIC/EPOXY
封装代码:VSON封装等效代码:SOLCC10,.08,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度(摄氏度):250电源:3.6 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Power Management Circuits标称供电电压 (Vsup):3.6 V
表面贴装:YES切换器配置:DOUBLER INVERTER
最大切换频率:1500 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:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:2 mmBase Number Matches:1

LTC3225EDDB#TRPBF 数据手册

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LTC3225/LTC3225-1  
150mA Supercapacitor  
Charger  
FEATURES  
DESCRIPTION  
TheLTC®3225/LTC3225-1areprogrammablesupercapaci-  
tor chargers designed to charge two supercapacitors in  
series to a selectable fixed output voltage (4.8V/5.3V for  
the LTC3225 and 4V/4.5V for the LTC3225-1) from input  
supplies as low as 2.8V to 5.5V. Automatic cell balancing  
prevents overvoltage damage to either supercapacitor. No  
balancing resistors are required.  
n
Low Noise Constant Frequency Charging of Two  
Series Supercapacitors  
n
Automatic Cell Balancing Prevents Capacitor  
Overvoltage During Charging  
n
Programmable Charge Current (Up to 150mA)  
n
Selectable 2.4V or 2.65V Regulation per Cell  
(LTC3225)  
n
Selectable 2V or 2.25V Regulation per Cell  
Low input noise, low quiescent current and low external  
parts count (one flying capacitor, one bypass capacitor at  
(LTC3225-1)  
Automatic Recharge  
n
V
and one programming resistor) make the LTC3225/  
IN  
n
I
I
= 20ꢀA in Standby Mode  
COUT  
No Inductors  
VIN  
LTC3225-1 ideally suited for small battery-powered  
n
n
n
< 1ꢀA When Input Supply is Removed  
applications.  
Charge current level is programmed with an external  
resistor. When the input supply is removed, the LTC3225/  
LTC3225-1automaticallyenteralowcurrentstate,drawing  
less than 1μA from the supercapacitors.  
Tiny Application Circuit (2mm × 3mm DFN Package,  
All Components <1mm High)  
APPLICATIONS  
The LTC3225/LTC3225-1 are available in a 10-lead 2mm  
× 3mm DFN package.  
L, LT, LTC and LTM are registered trademarks and ThinSOT is a trademark of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
n
Current Limited Applications with High Peak Power  
Loads (LED Flash, PCMCIA Tx Bursts, HDD Bursts,  
GPRS/GSM Transmitter)  
Backup Supplies  
n
TYPICAL APPLICATION  
Charging Profile with 30% Mismatch  
in Output Capacitance, CTOP < CBOT  
V
OUT  
V
IN  
SHDN  
V
C
C
C
4.8V/5.3V (LTC3225)  
4V/4.5V (LTC3225-1)  
IN  
+
OUT  
2.8V/3V TO 5.5V  
5V/DIV  
0.6F  
0.6F  
2.2ꢀF  
1ꢀF  
CX  
LTC3225  
LTC3225-1  
I
VIN  
300mA/DIV  
GND  
100k  
V
COUT  
SHDN PGOOD  
ON/OFF  
2V/DIV  
V
OUTPUT  
PROGRAMMING  
SEL  
PROG  
12k  
3225 TA01a  
V
-V  
TOP BOT  
200mV/DIV  
3225 TA01b  
LTC3225  
= V  
5 SEC/DIV  
V
R
SEL  
IN  
= 12k  
PROG  
C
C
C
C
= 1.1F  
= 1.43F  
TOP  
BOT  
TOP  
BOT  
INITIAL VOLTAGE = 0V  
INITIAL VOLTAGE = 0V  
3225fb  
1

LTC3225EDDB#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3225EDDB#TRMPBF Linear

完全替代

LTC3225 - 150mA Supercapacitor Charger; Package: DFN; Pins: 10; Temperature Range: -40&
LTC3225EDDB-1#TRMPBF Linear

完全替代

LTC3225 - 150mA Supercapacitor Charger; Package: DFN; Pins: 10; Temperature Range: -40&

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