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NCP1550SN25T1 PDF预览

NCP1550SN25T1

更新时间： 2024-11-19 21:55:11
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
18页 195K
描述
600 kHz PWM/PFM Step-Down DC-DC Controller

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中文翻译

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NCP1550SN25T1 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：PLASTIC, SC-59, TSOT-23, TSOP-5
针数：5Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.58Is Samacsys：N
其他特性：PFM CONTROL TECHNIQUE IS ALSO POSSIBLE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
最大输入电压：5.5 V最小输入电压：2.45 V
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：0.1 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：690 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

NCP1550SN25T1 数据手册

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NCP1550  
600 kHz PWM/PFM  
Step−Down DC−DC  
Controller  
The NCP1550 is a monolithic micropower high frequency  
voltage mode step−down controller IC, specially designed for battery  
operated hand−held electronic products. With appropriate external  
P−type MOSFET, the device can provide up to 2.0 A loading  
current with high conversion efficiency. The device operates in  
Constant−Frequency PWM mode at normal operation, that ensures  
low output ripple noise, and which will automatically switch to PFM  
mode at low output loads for higher efficiency. Additionally,  
value−added features of Chip Enable to reduce IC Off−State current  
and integrated feedback resistor network, make it the best choice for  
portable applications. The device is designed to operate for voltage  
regulation with minimum external components and board space. This  
device is available in a TSOP−5 package with six standard output  
voltage options.  
http://onsemi.com  
MARKING  
DIAGRAM  
TSOP−5  
SN SUFFIX  
CASE 483  
5
xxxYW  
1
xxx = Device Code  
Y
= Year  
W
= Work Week  
Features  
• Pb−Free Packages are Available  
• High Efficiency 92%, Typical  
PIN CONNECTIONS  
• Low Quiescent Bias Current of 50 mA (Typical at PFM Mode with  
CE  
V
IN  
No Load)  
1
2
3
5
• Output Voltage Options from 1.8 V to 3.3 V with High Accuracy  
$2.0%  
• Low Output Voltage Ripple, 50 mV, Typical  
GND  
V
EXT  
4
OUT  
• PWM Switching Frequency at 600 kHz  
• Automatic PWM/PFM Switchover at Light Load Condition  
• Very Low Dropout Operation, 100% Max. Duty Cycle  
• Chip Enable Pin with On−Chip 150 nA Pullup Current Source  
• Low Shutdown Current, 0.3 mA, Typical  
• Input Voltage Range from 2.45 V to 5.5 V  
• Built−in Soft−Start  
(Top View)  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 16 of this data sheet.  
• Internal Undervoltage Lockout (UVLO) Protection  
• Low Profile and Minimum External Components  
• Micro Miniature TSOP−5 Package  
Typical Applications  
• Personal Digital Assistant (PDA)  
• Camcorders and Digital Still Camera  
• Hand−Held Instrument  
• Distributed Power System  
• Computer Peripheral  
• Conversion from Four NiMH or NiCd or One Lithium−ion Cells to  
3.3 V/1.8 V  
Semiconductor Components Industries, LLC, 2004  
1
Publication Order Number:  
September, 2004 − Rev. 6  
NCP1550/D  
1234567...18

中文翻译

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