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LT3587EUD#TRPBF

更新时间： 2024-11-07 21:06:55
品牌 Logo 应用领域
凌特 - Linear 开关
页数 文件大小 规格书
24页 395K
描述
LT3587 - High Voltage Monolithic Inverter and Dual Boost; Package: QFN; Pins: 20; Temperature Range: -40°C to 85°C

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LT3587EUD#TRPBF 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, LCC20,.11SQ,16
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.25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：6 V最小输入电压：2.5 V
标称输入电压：3.6 VJESD-30 代码：S-PQCC-N20
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：20最高工作温度：125 °C
最低工作温度：标称输出电压：15 V
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC20,.11SQ,16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
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BOOST最大切换频率：1200 kHz
技术：BIPOLAR温度等级：OTHER
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.4 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

LT3587EUD#TRPBF 数据手册

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LT3587  
High Voltage Monolithic  
Inverter and Dual Boost  
FEATURES  
DESCRIPTION  
The LT®3587 provides a one chip solution for applications  
requiring two positive and one negative high voltage sup-  
plies. The LT3587 input voltage range of 2.5V to 6V makes  
it ideal for various battery-powered systems.  
n
Ideal for CCD, LCD, LED Backlight and OLED  
Applications  
n
Easy Generation of 15V (50mA), –8V (100mA) and  
20V (20mA) from a Li-Ion Cell  
n
V
Range: 2.5V to 6V  
VIN  
Asingleresistorprogramseachofthethreeoutputvoltage  
levelsandtheoutputcurrentofBoost3.Theintelligentsoft-  
start allows for sequential soft-start of the Boost1 output  
followed by the negative output with a single capacitor.  
Internalsequencingcircuitryalsodisablestheinverteruntil  
the Boost1 output has reached 87% of its final value.  
n
Wide Output Ranges: Up to 32V for the Boosts and  
Up to –32V for the Inverter  
n
n
Output Disconnect for the Boost Channels  
Boost3 Allows Voltage Programming and/or Current  
Programming for a ‘One Wire Current Source’  
Overload Fault Protection with Fault I/O Pin Indicator  
Combined Soft-Start and Enable Pins  
n
n
n
The LT3587 integrates all the power switches, soft-start,  
and output-disconnect circuits into a small 3mm × 3mm  
QFN package. This high level of integration combined  
with small external components makes the LT3587 ideal  
for space constrained applications.  
Small 20-Pin 3mm × 3mm QFN Package  
APPLICATIONS  
n
Digital Still and Video Cameras  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
n
Scanner and Display Systems  
n
PDA, Cellular Phones and Handheld Computers  
LED Backlight and OLED Display Drivers  
CCD Imager Bias  
General High Voltage Supply Bias  
n
n
n
TYPICAL APPLICATION  
Li-Ion Powered Supply for CCD Imager and Six White Backlight LEDs  
V
VIN  
2.5V TO 6V  
10μH  
Efficiency Curve  
15μH  
1μF  
90  
85  
80  
75  
70  
65  
60  
55  
50  
800  
700  
600  
500  
400  
300  
200  
100  
0
+
–
CDD = 50mA  
+
CDD  
2.2μF  
10μF  
1M  
SW3  
CAP3  
V
SW1  
CAP1  
CDD = 100mA  
IN  
LED = 20mA  
CCD POSITIVE  
15V, 50mA  
I
V
OUT1  
FB3  
8.06k  
ALL CHANNELS  
ENABLED  
FB1  
GND  
2.7pF  
LT3587  
2.2μF  
–
CDD  
LED DRIVER  
20mA, UP TO 6 LEDS  
V
EN/SS1  
EN/SS3  
FLT  
OUT3  
LED  
POWER DISSIPATION  
ALL CHANNELS  
ENABLED  
V
FB3  
1M  
FB2  
SW2  
6.8pF  
15μH  
15μH  
0
0.5  
1
1.5  
V
VIN  
2.5V TO 6V  
NORMALIZED CURRENT  
CCD NEGATIVE  
–8V, 100mA  
3587 TA01b  
22μF  
3587 TA01a  
3587fc  
1
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