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LTC3862HUH-1#PBF

更新时间： 2024-11-18 15:38:11
品牌 Logo 应用领域
凌特 - Linear 开关输出元件多相元件
页数 文件大小 规格书
42页 1590K
描述
LTC3862-1 - Multi-Phase Current Mode Step-Up DC/DC Controller; Package: QFN; Pins: 24; Temperature Range: -40°C to 125°C

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LTC3862HUH-1#PBF 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,
针数：24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：8.46其他特性：10 VOLT LDO REGULATOR OUTPUT ALSO AVAILABLE
模拟集成电路 - 其他类型：SWITCHING CONTROLLER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：8.5 V标称输入电压：12 V
JESD-30 代码：S-PQCC-N24JESD-609代码：e3
长度：5 mm湿度敏感等级：1
功能数量：1端子数量：24
标称输出电压：3.8 V封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN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）：NOT SPECIFIED
座面最大高度：0.8 mm表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：500 kHz
技术：CMOS端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.65 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

LTC3862HUH-1#PBF 数据手册

 浏览型号LTC3862HUH-1#PBF的Datasheet PDF文件第2页浏览型号LTC3862HUH-1#PBF的Datasheet PDF文件第3页浏览型号LTC3862HUH-1#PBF的Datasheet PDF文件第4页浏览型号LTC3862HUH-1#PBF的Datasheet PDF文件第5页浏览型号LTC3862HUH-1#PBF的Datasheet PDF文件第6页浏览型号LTC3862HUH-1#PBF的Datasheet PDF文件第7页 
LTC3862-1  
Multi-Phase Current Mode  
Step-Up DC/DC Controller  
DescripTion  
FeaTures  
TheLTC®3862-1isatwophaseconstantfrequency,current  
mode boost and SEPIC controller that drives N-channel  
power MOSFETs. Two phase operation reduces system  
filtering capacitance and inductance requirements.  
n
Wide V Range: 8.5V to 36V Operation  
IN  
n
2-Phase Operation Reduces Input and Output  
Capacitance  
n
Fixed Frequency, Peak Current Mode Control  
n
10V Gate Drive for High Voltage MOSFETs  
Theoperatingfrequencycanbesetwithanexternalresistor  
over a 75kHz to 500kHz range and can be synchronized  
to an external clock using the internal PLL. Multi-phase  
operation is possible using the SYNC input, the CLKOUT  
output and the PHASEMODE control pin allowing 2-, 3-,  
4-, 6- or 12-phase operation.  
n
Adjustable Slope Compensation Gain  
n
Adjustable Max Duty Cycle (Up to 96%)  
n
Adjustable Leading Edge Blanking  
n
1ꢀ Internal Voltage Reference  
n
Programmable Operating Frequency with One  
External Resistor (75kHz to 500kHz)  
n
n
Other features include an internal 10V LDO with under-  
voltage lockout protection for the gate drivers, a preci-  
sion RUN pin threshold with programmable hysteresis,  
soft-start and programmable leading edge blanking and  
maximum duty cycle.  
Phase-Lockable Fixed Frequency 50kHz to 650kHz  
SYNC Input and CLKOUT for 2-, 3-, 4-, 6- or  
12-Phase Operation (PHASEMODE Programmable)  
Internal 10V LDO Regulator  
n
n
n
n
24-Lead Narrow SSOP Package  
5mm × 5mm QFN Package with 0.65mm Lead Pitch  
24-Lead Thermally Enhanced TSSOP Package  
PART NUMBER  
LTC3862  
INTV  
V
ON  
V OFF  
IN  
CC  
IN  
5V  
3.3V  
7.5V  
4.4V  
2.9V  
7.0V  
3.9V  
LTC3862-1  
LTC3862-2  
10V  
10V  
applicaTions  
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
Protected by U.S. Patents, including 6144194, 6498466, 6611131.  
Automotive, Telecom and Industrial Power Supplies  
Typical applicaTion  
V
IN  
8.5V TO 36V  
22µF  
50V  
150k  
Efficiency vs Output Current  
56µH  
56µH  
V
OUT  
100  
98  
96  
94  
92  
90  
88  
86  
84  
82  
80  
72V  
V
= 72V  
OUT  
V
24.9k  
IN  
2A (MAX)  
RUN  
INTV  
GATE1  
+
V
= 32V  
IN  
SENSE1  
CC  
110µF  
100V  
4.7µF  
V
= 24V  
0.020Ω  
LTC3862-1  
IN  
–
BLANK  
FREQ  
SYNC  
SENSE1  
45.3k  
GATE2  
+
SENSE2  
V
= 9V  
IN  
PLLFLTR  
0.1µF  
0.020Ω  
SS  
–
SENSE2  
1nF  
3V8  
PGND  
CLKOUT  
SLOPE  
FB  
100  
1000  
10000  
1.5nF  
45.3k  
D
MAX  
LOAD CURRENT (mA)  
38621 TA01b  
ITH  
PHASEMODE  
SGND  
324k  
5.62k  
100pF  
38621 TA01a  
38621fa  
For more information www.linear.com/LTC3862-1  
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