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NCP1508MNR2G PDF预览

NCP1508MNR2G

更新时间： 2024-11-19 04:37:55
品牌 Logo 应用领域
安森美 - ONSEMI 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
15页 405K
描述
Up to 500 mA, 1 MHz, High Efficiency Synchronous Step−Down DC−DC Converter in DFN Package

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中文翻译

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NCP1508MNR2G 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：DFN包装说明：3 X 3 MM, LEAD FREE, DFN-10
针数：10Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.81
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：5 V最小输入电压：2.5 V
标称输入电压：3.6 VJESD-30 代码：S-PDSO-N10
JESD-609代码：e3长度：3 mm
功能数量：1端子数量：10
最高工作温度：85 °C最低工作温度：-30 °C
最大输出电流：0.8 A封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装等效代码：SOLCC10,.12,20
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1 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：1000 kHz温度等级：OTHER
端子面层：Tin (Sn)端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：3 mm
Base Number Matches：1

NCP1508MNR2G 数据手册

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NCP1508  
Up to 500 mA, 1 MHz, High  
Efficiency Synchronous  
Step−Down DC−DC  
Converter in DFN Package  
http://onsemi.com  
The NCP1508 step−down PWM DC−DC converter is optimized  
for portable applications powered from 1−cell Li−ion or 3 cell  
Alkaline/NiCd/NiMH batteries. This DC−DC converter utilizes a  
current−mode control architecture for easy compensation and better  
line regulation. It also uses synchronous rectification to increase  
efficiency and reduce external part count. The NCP1508 optimizes  
efficiency in light load conditions when switched from a normal  
PWM mode to a “pulsed switching” mode. The device also has a  
built−in 1 MHz (nominal) oscillator for the PWM circuitry, or it can  
be synchronized to an external 500 kHz to 1000 kHz clock signal.  
Finally, it includes an integrated soft−start, cycle−by−cycle current  
limiting, and thermal shutdown protection. The NCP1508 is  
available in a space saving, low profile 3x3 mm 10 pin DFN package.  
MARKING  
DIAGRAM  
1
10 PIN DFN  
MN SUFFIX  
CASE 485C  
1508  
ALYW  
1
1508 = Specific Device Code  
A
L
Y
W
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
Features  
• High Efficiency:  
93% for 1.89 V Output at 3.6 V Input and 125 mA Load Current  
91% for 1.89 V Output at 3.6 V Input and 300 mA Load Current  
ORDERING INFORMATION  
Device  
Package  
Shipping†  
3000 Tape & Reel  
• Digital Programmable Output Voltages: 1.0, 1.3, 1.5 or 1.89 V  
• Output Current up to 500 mA at V = 3.6 V  
in  
NCP1508MNR2  
10 Pin DFN  
• Low Quiescent Current of 14 mA in Pulsed Switching Mode  
• Low 0.2 mA Shutdown Current  
NCP1508MNR2G 10 Pin DFN 3000 Tape & Reel  
(Pb−Free)  
• −30°C to 85°C Operation Temperature  
• Low Profile DFN Package  
• Pb−Free Package is Available  
†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.  
Application  
• Cellular Phones, Smart Phones and PDAs  
• Digital Still Cameras  
• MP3 Players and Portable Audio Systems  
100  
• Wireless and DSL Modems  
90  
• Portable Equipment  
80  
Pulsed Mode  
PWM Mode  
6.8 mH  
70  
60  
50  
40  
30  
20  
10  
V
5
4
3
6
in  
VCC  
LX  
V
out  
2.7 V − 5.2 V  
C
in  
VCCP  
C
out  
22 mH  
10 mH  
FB  
9
SHD  
8
7
CB1  
CB0 and CB1  
Control Input  
10  
SYNC CB0  
V
in  
= 3.6 V  
GNDA GNDP  
V
out  
= 1.5 V  
0
0.001  
0.01  
0.1  
1
10  
100  
1000  
I
(mA)  
out  
Figure 1. Typical Application Circuit  
Figure 2. Efficiency vs. Output Current  
©
Semiconductor Components I1dustries, LLC, 2006  
1
Publication Order Number:  
July, 2006 − Rev. 1  
NCP1508/D  
1234567...15

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