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MC33680FTB PDF预览

MC33680FTB

更新时间： 2024-11-17 22:54:59
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器电子
页数 文件大小 规格书
16页 343K
描述
Dual DC-DC Regulator for Electronic Organizer

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中文翻译

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MC33680FTB 技术参数

是否无铅： 含铅生命周期：Obsolete
零件包装代码：QFP包装说明：PLASTIC, LQFP-32
针数：32Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.83模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE FREQUENCY MODULATION
最小输入电压：1 V标称输入电压：1.8 V
JESD-30 代码：S-PQFP-G32JESD-609代码：e0
长度：7 mm功能数量：1
端子数量：32最高工作温度：70 °C
最低工作温度：最大输出电流：1.15 A
封装主体材料：PLASTIC/EPOXY封装代码：LQFP
封装等效代码：QFP32,.35SQ,32封装形状：SQUARE
封装形式：FLATPACK, LOW PROFILE认证状态：Not Qualified
座面最大高度：1.6 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BOOST
最大切换频率：100 kHz温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn80Pb20)端子形式：GULL WING
端子节距：0.8 mm端子位置：QUAD
宽度：7 mmBase Number Matches：1

MC33680FTB 数据手册

 浏览型号MC33680FTB的Datasheet PDF文件第2页浏览型号MC33680FTB的Datasheet PDF文件第3页浏览型号MC33680FTB的Datasheet PDF文件第4页浏览型号MC33680FTB的Datasheet PDF文件第5页浏览型号MC33680FTB的Datasheet PDF文件第6页浏览型号MC33680FTB的Datasheet PDF文件第7页 
The MC33680 is a dual DC–DC regulator designed for electronic  
organizer applications. Both regulators apply  
Pulse–Frequency–Modulation (PFM). The main step–up regulator  
output can be externally adjusted from 2.7V to 5V. An internal  
synchronous rectifier is used to ensure high efficiency (achieve 87%).  
The auxiliary regulator with a built–in power transistor can be  
configured to produce a wide range of positive voltage (can be used  
for LCD contrast voltage). This voltage can be adjusted from +5V to  
+25V by an external potentiometer.  
http://onsemi.com  
32  
1
The MC33680 has been designed for battery powered hand–held  
products. With the low start–up voltage from 1V and the low quiescent  
current (typical 35 µA); the MC33680 is best suited to operate from 1  
to 2 AA/ AAA cell. Moreover, supervisory functions such as low  
battery detection, CPU Power–Good signal, and back–up battery  
control, for lithium battery or supercap are also included in the chip.  
32–LEAD LQFP  
FTB SUFFIX  
CASE 873A  
PIN CONNECTIONS &  
DEVICE MARKING  
FEATURES:  
• Low Input Voltage, 1V up  
• Low Quiescent Current in Standby Mode: 35µA typical  
• PFM and Synchronous Rectification to ensure high efficiency  
(87% @60mA Load)  
NC  
VAUXSW  
VAUXEMR  
LIBATIN  
LIBATOUT  
NC  
VMAINGND  
VMAINSW  
VMAIN  
• Adjustable Main Output: +2.7V to +5V  
nominal 3.3V @ 100mA max, with 1.8V input  
• Auxiliary Output Voltage: +5V to +25V  
+5V @ 25mA max, with 1.8V input  
+25V @ 15mA max, with 1.8V input  
• Current Limit Protection  
DGND  
MC33680  
LIBATCL  
LIBATON  
LOWBATB  
PORB  
FTB  
AWLYYWW  
DGND  
LOWBATSEN  
• Power–Good Signal with Programmable Delay  
• Battery Low Detection  
• Lithium Battery or Supercap Back–up  
• 32–Pin LQFP Package  
(Top View)  
APPLICATIONS:  
• Digital Organizer and Dictionary  
• Dual Output Power Supply (For MPU, Logic, Memory, LCD)  
• Handheld Battery Powered Device (1–2 AA/AAA cell)  
ORDERING INFORMATION  
Device  
Package  
Shipping  
MC33680FTB  
LQFP  
1250 Tray / Drypack  
1800 / Tape & Reel  
MC33680FTBR2  
LQFP  
Semiconductor Components Industries, LLC, 2000  
1
Publication Order Number:  
May, 2000 – Rev. 3  
MC33680/D  
1234567...16

中文翻译

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