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NCP1550SN19T1G PDF预览

NCP1550SN19T1G

更新时间: 2024-11-08 04:37:59
品牌 Logo 应用领域
安森美 - ONSEMI 控制器
页数 文件大小 规格书
17页 198K
描述
600 kHz PWM/PFM Step−Down DC−DC Controller

NCP1550SN19T1G 技术参数

是否Rohs认证: 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:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:1 week风险等级:5.16
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:e3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):260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 (Sn)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:40宽度:1.5 mm
Base Number Matches:1

NCP1550SN19T1G 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  
1
TSOP−5  
SN SUFFIX  
CASE 483  
Features  
High Efficiency 92%, Typical  
MARKING DIAGRAM  
Low Quiescent Bias Current of 50 mA  
(Typical at PFM Mode with No Load)  
Output Voltage Options from 1.8 V to 3.3 V  
with High Accuracy $2.0%  
Low Output Voltage Ripple, 50 mV, Typical  
PWM Switching Frequency at 600 kHz  
5
xxxAYW G  
G
1
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  
xxx = Specific Device Code  
A
Y
W
G
= Assembly Location  
= Year  
= Work Week  
= Pb−Free Package  
(Note: Microdot may be in either location)  
Internal Undervoltage Lockout (UVLO) Protection  
Low Profile and Minimum External Components  
Micro Miniature TSOP−5 Package  
Pb−Free Packages are Available  
PIN CONNECTIONS  
Typical Applications  
CE  
V
IN  
1
2
3
5
Personal Digital Assistant (PDA)  
Camcorders and Digital Still Camera  
Hand−Held Instrument  
GND  
V
EXT  
4
OUT  
Distributed Power System  
Computer Peripheral  
(Top View)  
Conversion from Four NiMH or NiCd or One Lithium−ion Cells to  
3.3 V/1.8 V  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 16 of this data sheet.  
© Semiconductor Components Industries, LLC, 2006  
1
Publication Order Number:  
July, 2006 − Rev. 8  
NCP1550/D  

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