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MIC2009YM6-TR PDF预览

MIC2009YM6-TR

更新时间： 2024-02-19 17:00:13
品牌 Logo 应用领域
美国微芯 - MICROCHIP PC光电二极管
页数 文件大小 规格书
30页 1155K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6

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MIC2009YM6-TR 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：LEAD FREE, SOT-23, 6 PINReach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：11 weeks风险等级：1.63
Samacsys Confidence：4Samacsys Status：Released
Samacsys PartID：372908Samacsys Pin Count：6
Samacsys Part Category：Power SupplySamacsys Package Category：SOT23 (6-Pin)
Samacsys Footprint Name：6-pin SOT-23 (M6)Samacsys Released Date：2017-09-05 16:12:47
Is Samacsys：N可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G6
JESD-609代码：e4长度：2.9 mm
湿度敏感等级：1信道数量：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：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.45 mm最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)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：40宽度：1.6 mm
Base Number Matches：1

MIC2009YM6-TR 数据手册

 浏览型号MIC2009YM6-TR的Datasheet PDF文件第24页浏览型号MIC2009YM6-TR的Datasheet PDF文件第25页浏览型号MIC2009YM6-TR的Datasheet PDF文件第26页浏览型号MIC2009YM6-TR的Datasheet PDF文件第28页浏览型号MIC2009YM6-TR的Datasheet PDF文件第29页浏览型号MIC2009YM6-TR的Datasheet PDF文件第30页 
Micrel, Inc.  
MIC20xx Family  
The VUVLO comparator uses no hysteresis. This is  
because the VUVLO blanking timer prevents any  
chattering that might otherwise occur if VIN varies about  
the trigger point. The timer is reset by upward crossings  
of the trip point such that VIN must remain below the trip  
point for the full 32ms period for load disengagement to  
occur.  
In selecting a VTRIP voltage, the designer is cautioned to  
not make this value less than 2.5V. A minimum of 2.5V  
is required for the MIC20X6’s internal circuitry to  
operate properly. VUVLO trip points below 2.5V will  
result in erratic or unpredictable operation.  
Kickstart™  
2003  
2004 2005X 2006  
2014 2015 2016  
2007  
2008 2009X  
2013  
2017  
2018 2019X  
Only parts in bold have Kickstart™.  
(Not available in 5-pin SOT-23 packages).  
Figure 11. Kickstart™  
Automatic Load Discharge  
Kickstart™ allows brief current surges to pass to the  
load before the onset of normal current limiting, which  
permits dynamic loads to draw bursts of energy without  
sacrificing system safety.  
2003  
2013  
2004 2005X 2006  
2014  
2015 2016  
2007  
2017  
2008 2009X  
2018 2019X  
Only parts in bold have automatic load discharge.  
Functionally, Kickstart™ is a forced override of the  
normal current limiting function provided by the switch.  
The Kickstart™ period is governed by an internal timer  
which allows current to pass up to the secondary  
current limit (ILIMIT_2nd) to the load for 128ms and then  
normal (primary) current limiting goes into action.  
Automatic discharge is a valuable feature when it is  
desirable to quickly remove charge from the VOUT pin.  
This allows for a quicker power-down of the load. This  
also prevents any charge from being presented to a  
device being connected to the VOUT pin, for example,  
USB, 1394, PCMCIA, and CableCARD™.  
During Kickstart™, a secondary current-limiting circuit  
is monitoring output current to prevent damage to the  
switch, as a hard short combined with a robust power  
supply can result in currents of many tens of amperes.  
This secondary current limit is nominally set at 4A and  
reacts immediately and independently of the Kickstart™  
period. Once the Kickstart™ timer has finished its count  
the primary current limiting circuit takes over and holds  
Automatic discharge is performed by a shunt MOSFET  
from VOUT pin to GND. When the switch is disabled, a  
break before make action is performed turning off the  
main power MOSFET and then enabling the shunt  
MOSFET. The total resistance of the MOSFET and  
internal resistances is typically 126ꢀ.  
I
OUT to its programmed limit for as long as the excessive  
Supply Filtering  
load persists.  
A minimum 1μF bypass capacitor positioned close to  
the VIN and GND pins of the switch is both good design  
practice and required for proper operation of the switch.  
This will control supply transients and ringing. Without a  
bypass capacitor, large current surges or a short may  
cause sufficient ringing on VIN (from supply lead  
inductance) to cause erratic operation of the switch’s  
control circuitry. For best-performance good quality,  
low-ESR capacitors are recommended, preferably  
ceramic.  
Once the switch drops out of current limiting the  
Kickstart™ timer initiates a lock-out period of 128ms  
such that no further bursts of current above the primary  
current limit, will be allowed until the lock-out period has  
expired.  
Kickstart™ may be over-ridden by the thermal  
protection circuit and if sufficient internal heating  
occurs, Kickstart™ will be terminated and IOUT Æ 0A.  
Upon cooling, if the load is still present IOUT Æ ILIMIT, not  
ILIMIT_2nd  
.
When bypassing with capacitors of 10μF and up, it is  
good practice to place a smaller value capacitor in  
parallel with the larger to handle the high frequency  
components of any line transients. Values in the range  
of 0.01μF to 0.1μF are recommended. Again, good  
quality, low-ESR capacitors should be chosen.  
August 2011  
27  
M9999-080211-D  
1...24252627282930

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MIC2009YM6-TR 替代型号

型号 品牌 替代类型 描述 数据表
MIC2009YM6 MICROCHIP

完全替代

 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6

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