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G690L308T73U PDF预览

G690L308T73U

更新时间： 2024-01-28 10:35:25
品牌 Logo 应用领域
致新 - GMT 光电二极管
页数 文件大小 规格书
9页 189K
描述
Power Management Circuit, Fixed, 1 Channel, +3.08VV, PDSO3, LEAD FREE, SOT-23, 3 PIN

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G690L308T73U 技术参数

是否Rohs认证： 不符合生命周期：Contact Manufacturer
包装说明：LSSOP, TO-236Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.92其他特性：RESET THRESHOLD VOLTAGE IS 3.08 VOLT
可调阈值：NOJESD-30 代码：R-PDSO-G3
JESD-609代码：e0长度：2.9 mm
信道数量：1功能数量：1
端子数量：3最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装等效代码：TO-236
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
电源：3.3 V认证状态：Not Qualified
座面最大高度：1.4 mm子类别：Power Management Circuits
最大供电电流 (Isup)：0.023 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：1 V标称供电电压 (Vsup)：3.3 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
阈值电压标称：+3.08V宽度：1.6 mm

G690L308T73U 数据手册

 浏览型号G690L308T73U的Datasheet PDF文件第3页浏览型号G690L308T73U的Datasheet PDF文件第4页浏览型号G690L308T73U的Datasheet PDF文件第5页浏览型号G690L308T73U的Datasheet PDF文件第6页浏览型号G690L308T73U的Datasheet PDF文件第7页浏览型号G690L308T73U的Datasheet PDF文件第9页 
Global Mixed-mode Technology Inc.  
G690/G691  
Interfacing to µPs with Bidirectional Reset Pins  
VCC  
Since the RESET output on the G691L is open drain,  
this device interfaces easily with µPs that have bidirec-  
tional reset pins, such as the Motorola 68HC11. Con-  
VCC  
VCC  
RPULL-UP  
necting the µP supervisor’s RESET output directly to  
µP  
G691  
the microcontroller’s (µC’s) RESET pin with a single  
pull-up resistor allows either device to assert reset  
(Figure 3).  
RESET MOTOROLA  
RESET  
INPUT  
68HCXX  
GND  
GND  
G691L Open-Drain RESET Output Allows Use with  
Multiple Supplies  
Generally, the pull-up connected to the G691L will  
connect to the supply voltage that is being monitored  
at the IC’s VCC pin. However, some systems may use  
the open-drain output to level-shift from the monitored  
supply to reset circuitry powered by some other supply  
(Figure 4). Note that as the G691L’s VCC decreases  
below 1V, so does the IC’s ability to sink current at  
Figure 3. Interfacing to µPs with Bidirectional Re-  
set I/O  
+5.0V  
RESET . Also, with any pull-up, RESET will be pulled  
high as VCC decays toward 0. The voltage where this  
occurs depends on the pull-up resistor value and the  
voltage to which it is connected.  
+3.3V  
VCC  
VCC  
RPULL-UP  
5V SYSTEM  
G691  
Benefits of Highly Accurate Reset Threshold  
Most µP supervisor ICs have reset threshold voltages  
between 5% and 10% below the value of nominal  
supply voltages. This ensures a reset will not occur  
within 5% of the nominal supply, but will occur when  
the supply is 10% below nominal.  
RESET  
INPUT  
RESET  
GND  
GND  
When using ICs rated at only the nominal supply ±5%,  
this leaves a zone of uncertainty where the supply is  
between 5% and 10% low, and where the reset may or  
may not be asserted.  
Figure 4. G691L Open-Drain RESET Output Al-  
lows Use with Multiple Supplies  
The G69_ _463/G69_ _308 use highly accurate circuitry  
to ensure that reset is asserted close to the 5% limit,  
and long before the supply has declined to 10% below  
nominal.  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 2.0  
Aug 07, 2006  
8
1...56789

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