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NCP1547DG PDF预览

NCP1547DG

更新时间: 2024-11-09 11:14:19
品牌 Logo 应用领域
安森美 - ONSEMI 开关光电二极管
页数 文件大小 规格书
17页 349K
描述
1.5 A, 340 kHz, Low Voltage Buck Regulator with Synchronization Capability

NCP1547DG 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP8,.25针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.67
其他特性:IT CAN ALSO OPERATE WITH CURRENT MODE模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:40 V最小输入电压:4.5 V
标称输入电压:14 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:150 °C
最低工作温度:-40 °C最大输出电流:3 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:374 kHz
温度等级:AUTOMOTIVE端子面层:Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

NCP1547DG 数据手册

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NCP1547  
1.5 A, 340 kHz, Buck  
Regulator with  
Synchronization Capability  
The NCP1547 is a 1.5 A buck regulator IC operating at a  
2
fixedfrequency of 340 kHz. The device uses the V control  
http://onsemi.com  
architecture to provide unmatched transient response, the best overall  
regulation and the simplest loop compensation for today’s highspeed  
logic. The NCP1547 accommodates input voltages from 4.0 V to 40 V  
and contains synchronization circuitry.  
The onchip NPN transistor is capable of providing a minimum of  
1.5 A of output current, and is biased by an external “boost” capacitor  
to ensure saturation, thus minimizing onchip power dissipation.  
Protection circuitry includes thermal shutdown, cyclebycycle  
current limiting and frequency foldback.  
MARKING  
DIAGRAM  
1
18  
18  
NCP1547  
AWLYYWW G  
G
1
18LEAD DFN  
MN SUFFIX  
CASE 505  
Features  
2
V Architecture Provides UltraFast Transient Response, Improved  
8
Regulation and Simplified Design  
SOIC8  
D SUFFIX  
CASE 751  
P1547  
ALYWE  
8
Wide Operating Range: 4 V to 40 V  
2.0% Error Amp Reference Voltage Tolerance  
1
G
1
Switch Frequency Decrease of 4:1 in Short Circuit Conditions  
Reduces Short Circuit Power Dissipation  
A
= Assembly Location  
WL, L  
YY, Y  
WW, W = Work Week  
= Wafer Lot  
= Year  
BOOST Lead Allows “Bootstrapped” Operation to Maximize  
Efficiency  
Sync Function for Parallel Supply Operation or Noise Minimization  
Shutdown Lead Provides PowerDown Option  
1.0 mA Quiescent Current During PowerDown  
Thermal Shutdown  
SoftStart  
These are PbFree Devices  
E
G
= Automotive Grade  
= PbFree Package  
(Note: Microdot may be in either location)  
ORDERING INFORMATION  
Device  
Package  
Shipping  
NCP1547DG  
SOIC8  
98 Units / Rail  
(PbFree)  
NCP1547DR2G  
SOIC8 2500 / Tape & Reel  
(PbFree)  
NCP1547MNR2G  
DFN18 2500 / Tape & Reel  
(PbFree)  
†For information on tape and reel specifications,  
including part orientation and tape sizes, please  
refer to our Tape and Reel Packaging Specifications  
Brochure, BRD8011/D.  
© Semiconductor Components Industries, LLC, 2013  
1
Publication Order Number:  
December, 2013 Rev. 6  
NCP1547/D  

NCP1547DG 替代型号

型号 品牌 替代类型 描述 数据表
NCP1547DR2G ONSEMI

完全替代

1.5 A, 340 kHz, Low Voltage Buck Regulator with Synchronization Capability

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