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NCP1571DR2G PDF预览

NCP1571DR2G

更新时间: 2024-09-19 21:53:27
品牌 Logo 应用领域
安森美 - ONSEMI 开关光电二极管控制器
页数 文件大小 规格书
16页 108K
描述
Low Voltage Synchronous Buck Controller

NCP1571DR2G 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:LEAD FREE, SO-8针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.82
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:CURRENT/VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:12.6 V最小输入电压:11.4 V
标称输入电压:12 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最大输出电流:1.5 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):260
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:PUSH-PULL最大切换频率:250 kHz
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:40宽度:3.9 mm
Base Number Matches:1

NCP1571DR2G 数据手册

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NCP1571  
Low Voltage Synchronous  
Buck Controller  
The NCP1571 is a low voltage buck controller. It provides the  
control for a DC−DC power solution producing an output voltage as  
low as 0.980 V over a wide current range. The NCP1571−based  
solution is powered from 12 V with the output derived from a 2−7 V  
supply. It contains all required circuitry for a synchronous NFET buck  
http://onsemi.com  
2
regulator using the V t control method to achieve the fastest possible  
MARKING  
DIAGRAM  
transient response and best overall regulation. NCP1571 operates at a  
fixed internal 200 kHz frequency and is packaged in an SOIC−8.  
This device provides undervoltage lockout protection, Soft−Start,  
Power Good with delay, and built−in adaptive non−overlap. During  
undervoltage lockout, the NCP1571 controller allows the power  
supply output to drift down, allowing the load time to shut off. This  
operation distinguishes the NCP1571 from other parts in its family.  
8
SOIC−8  
D SUFFIX  
CASE 751  
1571  
ALYW  
8
1
1
Features  
A
L
Y
W
= Assembly Location  
= Wafer Lot  
= Year  
Pb−Free Package is Available  
0.980 V ± 1.0% Reference Voltage  
= Work Week  
2
V Control Topology  
200 ns Transient Response  
Programmable Soft−Start  
Power Good  
Programmable Power Good Delay  
40 ns Gate Rise and Fall Times (3.3 nF Load)  
Adaptive FET Non−Overlap Time  
PIN CONNECTIONS  
1
8
V
CC  
GND  
PWRGD  
PGDELAY  
COMP  
V
FB  
GATE(L)  
GATE(H)  
Fixed 200 kHz Oscillator Frequency  
Undervoltage Lockout Holds Both Gate Outputs Low  
On/Off Control Through Use of the COMP Pin  
Overvoltage Protection through Synchronous MOSFETs  
Synchronous N−Channel Buck Design  
Dual Supply, 12 V Control, 2−7 V Power Source  
ORDERING INFORMATION  
Device  
Package  
SOIC−8  
SOIC−8  
Shipping  
NCP1571D  
98 Units/Rail  
NCP1571DR2  
NCP1571DR2G  
2500 Tape & Reel  
2500 Tape & Reel  
SOIC−8  
(Pb−Free)  
†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, 2004  
1
Publication Order Number  
October, 2004 − Rev. 4  
NCP1571/D  

NCP1571DR2G 替代型号

型号 品牌 替代类型 描述 数据表
NCP1571DG ONSEMI

完全替代

低电压同步降压控制器
NCP1571DR2 ONSEMI

完全替代

Low Voltage Synchronous Buck Controller
NCP1571D ONSEMI

完全替代

Low Voltage Synchronous Buck Controller

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