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LTC2926IGN PDF预览

LTC2926IGN

更新时间: 2024-09-24 05:43:51
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
28页 533K
描述
MOSFET-Controlled Power Supply Tracker

LTC2926IGN 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP20,.25
针数:20Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.1可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G20
JESD-609代码:e0长度:8.649 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP20,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Power Management Circuits
最大供电电流 (Isup):10.5 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.9 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.899 mmBase Number Matches:1

LTC2926IGN 数据手册

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LTC2926  
MOSFET-Controlled  
Power Supply Tracker  
U
DESCRIPTIO  
FEATURES  
Flexible Power Supply Tracking and Sequencing  
The LTC2926 provides a simple solution for tracking and  
sequencing up to three power supply rails. An N-channel  
MOSFET and a few resistors per channel configure the  
load voltages to ramp up and down together, with voltage  
offsets, with time delays or with different ramp rates.  
Adjustable Ramp Rates, Offsets and Time Delays  
Controls Three Supplies with Series MOSFETs  
Integrated Remote Sense Switching  
FAULT Input/Output  
STATUS Output/Power Good Input  
Automaticremotesenseswitchingcompensatesforvoltage  
drops across the MOSFETs. The LTC2926 provides two  
integrated switches as well as a signal to control optional  
additional external N-channel MOSFET sense switches.  
Available in 20-Lead Narrow SSOP and 20-Lead QFN  
(4mm × 5mm) Packages  
U
APPLICATIO S  
The LTC2926 includes I/O signals for communication with  
other devices. The status output asserts after tracking and  
sequencing have completed. A low voltage on the power  
good input after an adjustable timeout period causes load  
disconnect. A low voltage on the fault I/O causes immedi-  
ate load disconnect. Until it is reset, a fault latch prevents  
tracking and keeps the loads disconnected.  
V
and V Supply Tracking  
CORE  
I/O  
Microprocessor, DSP and FPGA Supplies  
Servers  
Communications Systems  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
*Protected by U.S. Patents including 6897717.  
U
TYPICAL APPLICATIO  
1.8V MODULE  
IRF7413Z  
OUT  
3.3V SLAVE2  
1.8V  
SLAVE1  
100  
SENSE  
10Ω  
1.8V SLAVE1  
500mV/DIV  
3.3V MODULE  
IRF7413Z  
3.3V  
SLAVE2  
OUT  
0.1µF  
100Ω  
SENSE  
10Ω  
SGATE2 SGATE1  
2926 TA01b  
V
CC  
5ms/DIV  
D1  
D2  
S1  
15.0k  
9.53k  
FB1  
3.3V SLAVE2  
RAMPBUF  
TRACK1  
15.0k  
9.53k  
S2  
15.0k  
15.0k  
LTC2926  
1.8V SLAVE1  
500mV/DIV  
FB2  
V
CC  
4.02k  
TRACK2  
V
CC  
10k  
4.02k  
STATUS  
STATUS/PGI  
MGATE  
10k  
FAULT  
FAULT  
ON  
0.1µF  
2926 TA01c  
ON/OFF  
RAMP  
5ms/DIV  
GND PGTMR  
1µF  
2926 TA01  
2926fa  
1

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