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Datasheet > LTC3676HUJ#TRPBF
LTC3676HUJ#TRPBF PDF预览

LTC3676HUJ#TRPBF

更新时间： 2024-10-03 18:43:11
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
38页 508K
描述
LTC3676/LTC3676-1 - Power Management Solution for Application Processors; Package: QFN; Pins: 40; Temperature Range: -40°C to 125°C

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LTC3676HUJ#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, LCC40,.24SQ,20
针数：40Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.66其他特性：THRESHOLD VOLTAGE(NOM)=0.4 V
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：S-PQCC-N40JESD-609代码：e3
长度：6 mm湿度敏感等级：1
信道数量：8功能数量：1
端子数量：40封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC40,.24SQ,20
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电源：3.8 V
认证状态：Not Qualified座面最大高度：0.8 mm
子类别：Power Management Circuits最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.7 V标称供电电压 (Vsup)：3.8 V
表面贴装：YES技术：CMOS
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：6 mm
Base Number Matches：1

LTC3676HUJ#TRPBF 数据手册

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LTC3676/LTC3676-1  
Power Management Solution  
for Application Processors  
FeaTures  
DescripTion  
2
The LTC®3676 is a complete power management solution  
for advanced portable application processor-based sys-  
tems. The device contains four synchronous step-down  
DC/DC converters for core, memory, I/O, and system  
on-chip (SoC) rails and three 300mA LDO regulators for  
low noise analog supplies. The LTC3676-1 has a 1.ꢀA  
buck regulator configured to support DDR termination  
n
Quad I C Adjustable High Efficiency Step Down  
DC/DC Converters: 2.5A, 2.5A, 1.5A, 1.5A  
n
Three 300mA LDO Regulators (Two Adjustable)  
n
DDR Power Solution with V and VTTR Reference  
TT  
n
n
n
n
n
n
n
n
n
Pushbutton ON/OFF Control with System Reset  
2
Independent Enable Pin-Strap or I C Sequencing  
Programmable Autonomous Power-Down Control  
Dynamic Voltage Scaling  
2
plus a VTTR reference output. An I C serial port is used  
Power Good and Reset Functions  
Selectable 2.2ꢀMHz or 1.12MHz Switching Frequency  
Always Alive 2ꢀmA LDO Regulator  
12µA Standby Current  
Low Profile 40-Lead 6mm 6mm QFN and 48-Lead  
Exposed Pad LQFP  
to control regulator enables, power-down sequencing,  
output voltage levels, dynamic voltage scaling, operating  
modes and status reporting.  
Regulator start-up is sequenced by connecting outputs to  
2
enable pins in the desired order or via the I C port. System  
power-on, power-off and reset functions are controlled by  
2
pushbutton interface, pin inputs, or I C.  
applicaTions  
The LTC3676 supports i.MX, PXA and OMAP processors  
with eight independent rails at appropriate power levels.  
Other features include interface signals such as the VSTB  
pin that toggles between programmed run and standby  
output voltages on up to four rails simultaneously. The  
device is available in a 40-lead 6mm 6mm QFN and  
48-lead exposed pad LQFP packages.  
n
Supports Freescale i.MX6, ARM Cortex, and Other  
Application Processors  
n
Handheld Instruments and Scanners  
n
Portable Industrial and Medical Devices  
n
Automotive Infotainment  
n
High End Consumer Devices  
n
Multi-Rail Systems  
L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks  
of Analog Devices, Inc. All other trademarks are the property of their respective owners.  
Typical applicaTion  
V
IN  
2.7V TO 5.5V  
Start-Up Sequence  
V
1.5µH  
1.5µH  
1.5µH  
1.5µH  
IN  
V
V
ARM  
RTC  
3V  
WAKE  
LDO1  
SW3  
LTC3676-1  
LDO2  
1.38V  
2.5A  
25mA  
5V/DIV  
1µF  
1µF  
1µF  
47µF  
47µF  
47µF  
47µF  
V
DD(HIGH)  
V
SOC  
V
DD(HIGH)  
2.97V  
300mA  
SW2  
SW4  
SW1  
1.38V  
1.5A  
V
LDO3  
ARM  
1V/DIV  
1V/DIV  
V
V
1.5V  
2.5A  
(V )  
LDO3  
1.8V  
DDR DDQ  
V
AND V  
SOC  
LDO3  
LDO4  
300mA  
V
DDR  
AND V  
V
TT  
3V  
V
TT  
TTR  
1/2 V  
1.5A  
DDQ  
300mA  
1µF  
6
VTTR (1/2 V  
WAKE  
)
ENABLES VTTR  
PWR_ON WAKE  
DDQ  
3676 TA01b  
1ms/DIV  
ON  
PGOOD  
2
2
TO µPROCESSOR  
I C  
GND  
3676 TA01a  
3676ff  
1
For more information www.linear.com/LTC3676  
1234567...38

中文翻译

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LTC3676HUJ#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3676HUJ#PBF Linear

完全替代

 LTC3676/LTC3676-1 - Power Management Solution for Application Processors; Package: QFN; Pi

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