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NCV891334MW33R2G PDF预览

NCV891334MW33R2G

更新时间： 2024-02-14 23:54:59
品牌 Logo 应用领域
安森美 - ONSEMI /
页数 文件大小 规格书
11页 144K
描述
2 MHz Low-IQ Dual-Mode Step-Down Regulator

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NCV891334MW33R2G 技术参数

是否无铅： 不含铅生命周期：Active
包装说明：,Reach Compliance Code：compliant
Factory Lead Time：8 weeks风险等级：5.74
湿度敏感等级：1Base Number Matches：1

NCV891334MW33R2G 数据手册

 浏览型号NCV891334MW33R2G的Datasheet PDF文件第2页浏览型号NCV891334MW33R2G的Datasheet PDF文件第3页浏览型号NCV891334MW33R2G的Datasheet PDF文件第4页浏览型号NCV891334MW33R2G的Datasheet PDF文件第5页浏览型号NCV891334MW33R2G的Datasheet PDF文件第6页浏览型号NCV891334MW33R2G的Datasheet PDF文件第7页 
NCV891234, NCV891334  
2 MHz Low-IQ Dual-Mode  
Step-Down Regulator for  
Automotive  
The NCV891x34 is a Dual Mode regulator intended for Automotive,  
battery−connected applications that must operate with up to a 45 V  
input supply. Hybrid Low Power Mode allows the NCV891x34 to  
operate either as a PWM Buck Converter or as a Low Drop−Out Linear  
Regulator, and the NCV891x34 is suitable for systems with Low Noise  
and Low Quiescent Current requirements often encountered in  
automotive driver information systems. A reset (with fixed delay) and  
a fault pin (flagging low input voltage and high temperature warnings)  
simplify interfacing with a microcontroller.  
Two pins are provided to synchronize switching to a clock, or to  
another NCV891x34. The NCV891x34 also provides several protection  
features expected in automotive power supply systems such as current  
limit, short circuit protection, and thermal shutdown. In addition, the  
high switching frequency produces low output voltage ripple even  
when using small inductor values and an all−ceramic output filter  
capacitor – forming a space−efficient switching regulator solution.  
www.onsemi.com  
1
DFN12  
MW SUFFIX  
CASE 506CE  
MARKING DIAGRAM  
891x34  
XX  
ALYWG  
G
Features  
891x34XX = Specific Device Code  
• 40 mA Iq in Light Load Condition  
x
= 2, 3  
• 2.0 A Maximum Output Current in PWM Mode in NCV891234  
• 3.0 A Maximum Output Current in PWM Mode in NCV891334  
• Internal N−channel Power Switch  
XX  
A
L
Y
W
G
= 33, 50  
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb−Free Device  
• V Operating Range 3.7 V to 36 V, Withstands Load Dump to 45 V  
IN  
• Logic Level Enable Pin can be Tied to Battery  
• Fixed Output Voltage of 5.0 V or 3.3 V with 2% Accuracy  
• 2 MHz Free−running Switching Frequency  
(Note: Microdot may be in either location)  
• Input and Output Synchronization Pins  
PIN CONNECTIONS  
• NCV Prefix for Automotive Requiring Site and Control Changes  
• Wettable Flanks DFN (pin edge plating)  
1
VIN  
VIN2  
SW  
• These Devices are Pb−Free and are RoHS Compliant  
BST  
DRV  
VOUT  
EN  
Typical Applications  
• Safety−Vision Systems  
• Audio, Infotainment  
• Instrumentation  
SYNCO  
RSTB  
GND  
SYNCI  
FLTB  
CDRV  
• Telematics  
DBST  
(Top View)  
NCV891x34  
SW  
VIN  
VOUT  
COUT  
L1  
VIN  
CBST  
CIN  
DFW  
VIN2  
BST  
ORDERING INFORMATION  
See detailed ordering and shipping information on page 10 of  
VOUT  
DRV  
SYNCO  
RESET  
this data sheet.  
ENABLE  
SYNCI  
FAULT  
EN  
SYNCO  
RSTB  
GND  
SYNCI  
FLTB  
Figure 1. Application Schematic  
© Semiconductor Components Industries, LLC, 2016  
1
Publication Order Number:  
June, 2016 − Rev. 0  
NCV891334/D  
1234567...11

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