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LT3493IDCB#TR PDF预览

LT3493IDCB#TR

更新时间: 2024-09-12 13:09:39
品牌 Logo 应用领域
凌特 - Linear 稳压器开关
页数 文件大小 规格书
20页 587K
描述
IC 2.2 A SWITCHING REGULATOR, 815 kHz SWITCHING FREQ-MAX, PDSO6, 2 X 3 MM, PLASTIC, MO-229, DFN-6, Switching Regulator or Controller

LT3493IDCB#TR 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Transferred零件包装代码:SON
包装说明:HVSON, SOLCC6,.12,20针数:6
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.12
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:36 V
最小输入电压:3.6 V标称输入电压:12 V
JESD-30 代码:R-PDSO-N6JESD-609代码:e0
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:6
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2.2 A封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装等效代码:SOLCC6,.12,20
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):235认证状态:Not Qualified
座面最大高度:0.8 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:815 kHz技术:BIPOLAR
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
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:20
宽度:2 mmBase Number Matches:1

LT3493IDCB#TR 数据手册

 浏览型号LT3493IDCB#TR的Datasheet PDF文件第2页浏览型号LT3493IDCB#TR的Datasheet PDF文件第3页浏览型号LT3493IDCB#TR的Datasheet PDF文件第4页浏览型号LT3493IDCB#TR的Datasheet PDF文件第5页浏览型号LT3493IDCB#TR的Datasheet PDF文件第6页浏览型号LT3493IDCB#TR的Datasheet PDF文件第7页 
LT3493  
1.2A, 750kHz Step-Down  
Switching Regulator in  
2mm × 3mm DFN  
FEATURES  
DESCRIPTION  
The LT®3493 is a current mode PWM step-down DC/DC  
converter with an internal 1.75A power switch. The wide  
operating input range of 3.6V to 36V (40V maximum)  
makes the LT3493 ideal for regulating power from a wide  
variety of sources, including unregulated wall transform-  
ers, 24V industrial supplies and automotive batteries.  
Its high operating frequency allows the use of tiny, low  
cost inductors and ceramic capacitors, resulting in low,  
predictable output ripple.  
n
Wide Input Range: 3.6V to 36V Operating,  
40V Maximum  
n
1.2A Output Current  
n
Fixed Frequency Operation: 750kHz  
n
Output Adjustable Down to 780mV  
n
Short-Circuit Robust  
n
Uses Tiny Capacitors and Inductors  
n
Soft-Start  
Internally Compensated  
n
n
Low Shutdown Current: <2μA  
Cycle-by-cycle current limit provides protection against  
shorted outputs and soft-start eliminates input current  
surge during start-up. The low current (<2μA) shutdown  
mode provides output disconnect, enabling easy power  
management in battery-powered systems.  
n
Low V  
Switch: 330mV at 1A  
CESAT  
n
Thermally Enhanced, Low Profile DFN Package  
APPLICATIONS  
n
Automotive Battery Regulation  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
n
Industrial Control Supplies  
n
Wall Transformer Regulation  
n
Distributed Supply Regulation  
n
Battery-Powered Equipment  
TYPICAL APPLICATION  
Efficiency  
90  
3.3V Step-Down Converter  
85  
V
OUT  
3.3V  
V
IN  
80  
75  
70  
65  
60  
55  
50  
V
BOOST  
LT3493  
IN  
4.2V TO 36V  
1.2A, V > 12V  
0.95A, V > 5V  
IN  
IN  
0.1μF  
10μH  
SW  
ON OFF  
SHDN  
32.4k  
10k  
22pF  
GND  
FB  
10μF  
1μF  
V
V
= 12V  
IN  
OUT  
= 3.3V  
3493 TA01a  
L = 10μH  
0.8  
LOAD CURRENT (A)  
1.0  
0
0.2  
0.4  
0.6  
1.2  
3493 TA01b  
3493fb  
1

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