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NX2117ACUTR PDF预览

NX2117ACUTR

更新时间: 2024-11-19 06:00:39
品牌 Logo 应用领域
美高森美 - MICROSEMI 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
14页 408K
描述
SYNCHRONOUS PWM CONTROLLER WITH CURRENT LIMIT, POWER GOOD & OVER VOLTAGE

NX2117ACUTR 技术参数

生命周期:Active零件包装代码:MSOP
包装说明:TSSOP,针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.77
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:4.5 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G10长度:3 mm
功能数量:1端子数量:10
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified座面最大高度:1.1 mm
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:600 kHz温度等级:COMMERCIAL
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL宽度:2.95 mm
Base Number Matches:1

NX2117ACUTR 数据手册

 浏览型号NX2117ACUTR的Datasheet PDF文件第2页浏览型号NX2117ACUTR的Datasheet PDF文件第3页浏览型号NX2117ACUTR的Datasheet PDF文件第4页浏览型号NX2117ACUTR的Datasheet PDF文件第5页浏览型号NX2117ACUTR的Datasheet PDF文件第6页浏览型号NX2117ACUTR的Datasheet PDF文件第7页 
NX2116/2116A/2116B/2117/2117A  
SYNCHRONOUS PWM CONTROLLER WITH  
CURRENT LIMIT, POWER GOOD & OVER VOLTAGE  
PRELIMINARY DATA SHEET  
Pb Free Product  
FEATURES  
DESCRIPTION  
n
n
Bus voltage operation from 2V to 25V  
Power Good indicator available in NX2116  
The NX2116/2117 family of products are synchronous  
Buck controller IC designed for step down DC to DC  
converter applications. They are optimized to convert  
bus voltages from 2V to 25V to as low as 0.8V output  
voltage. The NX2116 and 2117 offer an Enable pin that  
can be used to program the converter's start up voltage  
using an external divider from bus voltage. These prod-  
ucts operate at fixed internal frequency of 300kHz, ex-  
cept that NX2116A operates at 600kHz and 2116B at  
1MHz frequency. These products employ loss-less cur-  
rent limiting protection by sensing the Rdson of syn-  
chronous MOSFET followed by latch out feature. Feed-  
back under voltage triggers Hiccup.  
n Fixed 300kHz, 600kHz and 1MHz for NX2116 and  
300kHz, 600kHz for NX2117 family.  
n Internal Digital Soft Start Function  
n Less than 50 nS adaptive deadband  
n Enable pin to program BUS UVLO for NX2116/2117  
n
n
Programmable current limit triggers latch out by  
sensing Rdson of  
Synchronous MOSFET  
No negative spike at Vout during startup and  
shutdown  
APPLICATIONS  
n
n
n
Graphic Card on board converters  
Other features are; 5V gate drive, Power good indica-  
tor, Adaptive deadband control, Internal digital soft start;  
Vcc undervoltage lock out and shutdown capability via  
the enable pin or comp pin.  
Memory Vddq Supply  
On board DC to DC such as 2V to 3.3V, 2.5V or  
1.8V  
n
ADSL Modem  
TYPICAL APPLICATION  
L2 1uH  
Vin1  
+12V  
C5  
C3  
Cin  
1uF  
39uF  
270uF,18mohm  
D1  
R3  
10  
Vin2  
+5V  
MBR0530T1  
C4  
1uF  
4
1
R5  
68k  
C7  
BST  
Hdrv  
Vcc  
0.1uF  
M1  
6
8
2
EN  
2N3904  
OFF  
R8  
10k  
R6  
12.4k  
L1 1uH  
Vout  
10  
9
ON  
SW  
OCP  
Comp  
R7  
+1.8V,9A  
C2  
1.5nF  
Co  
C1  
33pF  
10k  
2x (220uF,12mohm)  
R11 3.7k  
7
M2  
3
5
Ldrv  
Fb  
R4  
17.4k  
11  
+5V  
Pgood  
Gnd  
R10 1k  
R1 20k  
R2  
16k  
R9  
2.61k  
C8  
1nF  
Figure 1 - Typical applicationOof 2R11D6ERING INFORMATION  
Device  
Temperature  
0 to 70oC  
0 to 70o C  
0 to 70o C  
0 to 70o C  
0 to 70o C  
Package  
MLPD-10L  
MLPD-10L  
MLPD-10L  
MSOP-10L  
MSOP-10L  
Frequency  
300kHz  
600kHz  
1MHz  
300kHz  
600kHz  
Pb-Free  
Yes  
NX2116CMTR  
NX2116ACMTR  
NX2116BCMTR  
NX2117CUTR  
NX2117ACUTR  
Yes  
Yes  
Yes  
Yes  
Rev. 3.0  
03/14/06  
1

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