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NCP1450ASN50T1

更新时间： 2024-09-19 22:05:51
品牌 Logo 应用领域
安森美 - ONSEMI 控制器
页数 文件大小 规格书
24页 205K
描述
PWM Step-up DC-DC Controller

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中文翻译

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NCP1450ASN50T1 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：TSOP包装说明：TSSOP, TSOP5/6,.11,37
针数：5Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.75模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
标称输入电压：5 VJESD-30 代码：R-PDSO-G5
JESD-609代码：e0长度：3 mm
功能数量：1端子数量：5
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：0.15 A封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSOP5/6,.11,37
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：SINGLE
最大切换频率：216 kHz温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn80Pb20)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：1.5 mm
Base Number Matches：1

NCP1450ASN50T1 数据手册

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NCP1450A  
PWM Step−up DC−DC  
Controller  
The NCP1450A series are PWM step-up DC-DC switching  
controller that are specially designed for powering portable equipment  
from one or two cells battery packs. The NCP1450A series have a  
driver pin, EXT pin, for connecting to an external transistor. Large  
output currents can be obtained by connecting a low ON-resistance  
external power transistor to the EXT pin. The device will  
automatically skip switching cycles under light load condition to  
maintain high efficiency at light loads. With only six external  
components, this series allows a simple means to implement highly  
efficient converter for large output current applications.  
Each device consists of an on-chip PWM (Pulse Width Modulation)  
oscillator, PWM controller, phase- compensated error amplifier,  
soft-start, voltage reference, and driver for driving external power  
transistor. Additionally, a chip enable feature is provided to power  
down the converter for extended battery life.  
http://onsemi.com  
5
1
TSOP-5  
SN SUFFIX  
CASE 483  
The NCP1450A device series are available in the TSOP-5 package  
with five standard regulated output voltages. Additional voltages that  
range from 1.8 V to 5.0 V in 100 mV steps can be manufactured.  
PIN CONNECTIONS AND  
MARKING DIAGRAM  
Features  
1
2
3
5
CE  
OUT  
NC  
EXT  
• High Efficiency 86% at I = 200 mA, V = 2.0 V, V  
= 3.0 V  
= 5.0 V  
O
IN  
OUT  
88% at I = 400 mA, V = 3.0 V, V  
O
IN  
OUT  
• Low Start-up Voltage of 0.9 V typical at I = 1.0 mA  
O
GND  
4
• Operation Down to 0.6 V  
xxx = Marking  
• Five Standard Voltages: 1.9 V, 2.7 V, 3.0 V, 3.3 V, 5.0 V with High  
Accuracy ± 2.5%  
Y
= Year  
W
= Work Week  
• Low Conversion Ripple  
(Top View)  
• High Output Current up to 1000 mA  
(3.0 V version at V = 2.0 V, L = 10 m H, C  
= 220 Fm)  
IN  
OUT  
• Fixed Frequency Pulse Width Modulation (PWM) at 180 kHz  
• Chip Enable Pin with On-chip 150 nA Pull-up Current Source  
• Low Profile and Micro Miniature TSOP-5 Package  
ORDERING INFORMATION  
See detailed ordering and shipping information in the ordering  
information section on page 3 of this data sheet.  
Typical Applications  
• Personal Digital Assistant (PDA)  
• Electronic Games  
• Portable Audio (MP3)  
• Digital Still Cameras  
• Handheld Instruments  
Semiconductor Components Industries, LLC, 2003  
1
Publication Order Number:  
April, 2003 - Rev. 5  
NCP1450A/D  
1234567...24

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NCP1450ASN50T1 替代型号

型号 品牌 替代类型 描述 数据表
NCP1450ASN50T1G ONSEMI

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