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LT3467ES6

更新时间： 2024-11-04 20:44:39
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管输出元件
页数 文件大小 规格书
12页 351K
描述
LT3467 - 1.1A Step-Up DC/DC Converter with Integrated Soft-Start; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C

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中文翻译

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LT3467ES6 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SOT包装说明：VSSOP, TSOP6,.11,37
针数：6Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.05其他特性：HIGH OUTPUT VOLTAGE UPTO 40V
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：16 V
最小输入电压：2.4 V标称输入电压：3 V
JESD-30 代码：R-PDSO-G6JESD-609代码：e0
长度：2.9 mm湿度敏感等级：1
功能数量：1端子数量：6
最高工作温度：85 °C最低工作温度：
最大输出电流：2.5 A封装主体材料：PLASTIC/EPOXY
封装代码：VSSOP封装等效代码：TSOP6,.11,37
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：235认证状态：Not Qualified
座面最大高度：1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BOOST
最大切换频率：1600 kHz温度等级：OTHER
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：1.625 mm
Base Number Matches：1

LT3467ES6 数据手册

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Final Electrical Specifications  
LT3467  
1.1A Step-Up DC/DC  
Converter in ThinSOTTM  
with Integrated Soft-Start  
June 2003  
U
FEATURES  
DESCRIPTIO  
The LT®3467 SOT-23 switching regulator combines a  
42V, 1.1Aswitchwithasoft-startfunction. Pincompatible  
with the LT1930, its low VCESAT bipolar switch enables the  
device to deliver high current outputs in a small footprint.  
The LT3467 switches at 1.3MHz, allowing the use of tiny,  
low cost and low height inductors and capacitors. High  
inrushcurrentatstart-upiseliminatedusingtheprogram-  
mable soft-start function. A single external capacitor sets  
the current ramp rate. A constant frequency current mode  
PWM architecture results in low, predictable output noise  
that is easy to filter.  
■
1.3MHz Switching Frequency  
■
Low VCESAT Switch: 330mV at 1.1A  
■
High Output Voltage: Up to 40V  
■
Wide Input Range: 2.4V to 16V  
■
Dedicated Soft-Start Pin  
■
5V at 540mA from 3.3V Input  
■
12V at 270mA from 5V Input  
■
Uses Small Surface Mount Components  
■
Low Shutdown Current: <1µA  
■
Pin-for-Pin Compatible with the LT1930 and LT1613  
■
Low Profile (1mm) SOT-23 Package  
U
The high voltage switch on the LT3467 is rated at 42V,  
making the device ideal for boost converters up to 40V as  
well as SEPIC and flyback designs. The LT3467 can  
generate 5V at up to 540mA from a 3.3V supply or 5V at  
450mA from four alkaline cells in a SEPIC design. The  
LT3467 is available in a low profile (1mm) 6-lead SOT-23  
package.  
APPLICATIO S  
■
Digital Cameras  
■
White LED Power Supply  
■
Cellular Phones  
■
Medical Diagnostic Equipment  
■
Local 5V or 12V Supply  
■
TFT-LCD Bias Supply  
, LTC and LT are registered trademarks of Linear Technology Corporation  
ThinSOT is a trademark of Linear Technology Corporation.  
■
xDSL Power Supply  
U
TYPICAL APPLICATIO  
Efficiency  
95  
90  
L1  
D1  
2.7µH  
V
IN  
V
OUT  
5V  
2.6V TO  
4.2V  
V
= 4.2V  
IN  
= 3.3V  
85  
80  
75  
70  
65  
60  
55  
50  
6
1
C1  
R1  
765mA if V = 4.2V,  
IN  
V
IN  
4.7µF  
402k  
540mA if V = 3.3V,  
IN  
V
SW  
IN  
V
= 2.6V  
IN  
C4  
3.3pF  
360mA if V = 2.6V  
IN  
4
5
SHDN  
OFF ON  
LT3467  
3
SS  
FB  
C2  
15µF  
R2  
133k  
C3  
0.047µF  
GND  
2
C1, C2: X5R OR X7R, 6.3V  
3467 TA05a  
D1: ON SEMICONDUCTOR MBRM120  
L1: SUMIDA CR43-2R7  
800  
900  
0
100  
300 400 500  
700  
600  
200  
I
(mA)  
OUT  
Figure 1. Single Li-Ion Cell to 5V Boost Converter  
3467 TA05b  
3467i  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tation that the interconnection ofits circuits as described herein willnotinfringe on existing patentrights.  
1
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中文翻译

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