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LX7169CLD-TR PDF预览

LX7169CLD-TR

更新时间： 2024-02-25 10:43:24
品牌 Logo 应用领域
美高森美 - MICROSEMI 开关光电二极管
页数 文件大小 规格书
9页 449K
描述
Switching Controller, Voltage-mode, 3A, 3400kHz Switching Freq-Max, PDSO12

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LX7169CLD-TR 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：SON, SOLCC12,.12,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.73模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODEJESD-30 代码：R-PDSO-N12
端子数量：12最高工作温度：85 °C
最低工作温度：-10 °C最大输出电流：3 A
封装主体材料：PLASTIC/EPOXY封装代码：SON
封装等效代码：SOLCC12,.12,20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：3400 kHz温度等级：OTHER
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUALBase Number Matches：1

LX7169CLD-TR 数据手册

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LX7169  
3A Step-Down Converter  
®
TM  
PRODUCTION DATASHEET  
DESCRIPTION  
KEY FEATURES  
LX7169 is a step-down PWM Switching  
regulator IC with integrated high side P-  
Channel and low side N-Channel  
Other features of the part are:  
. 3A Step-down Regulator  
. Operational Input Supply Voltage  
Range: 3V-5.5V  
. Integrated PMOS and NMOS  
. Load Current from zero to 3A  
. 3MHz Switching Frequency  
. Input UVLO Protection  
. Enable Pin  
. Power Good  
. Internal Soft-start  
. Cycle-by-Cycle Over Current  
Protection  
. Hiccup Mode Operation Under  
OCP  
a) Cycle-by-cycle current limit  
followed by HICCUP mode which  
reduces the overall power dissipation of  
the internal MOSFETs  
MOSFETs. The IC operates using  
hysteretic control topology with a full load  
operating frequency of 3MHz. This  
a
b) Thermal protection and internal  
digital soft start.  
switching frequency allows for small output  
filter components while maintaining  
excellent dynamic load response.  
The LX7169 also provides a Power Good  
function. The LX7169 is available in a 12L  
3mm x 3.5mm DFN package.  
The operational input voltage range of  
LX7169 is from 3V to 5.5V. The SYNC  
pin is tied low when not in use. A clock  
signal to this pin will synchronize the  
converter to an external source.  
. RoHS Compliant for Pb Free  
In the shutdown mode, the IC’s current  
consumption is reduced to less than 1mA  
and the output capacitor is discharged.  
APPLICATIONS  
. HDD  
. Set-Top Box  
. LCD TV’s  
. Notebook/Netbook  
. Routers  
. Video Cards  
. PC Peripherals  
. PoE Powered Devices  
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com  
PRODUCT HIGHLIGHT  
VIN = 3V  
to 5.5V  
100k  
PGOOD  
PGOOD  
SW  
PVIN  
0.47µF  
10  
VOUT  
0.01  
µF  
10µF  
X5R  
VCC  
EN  
R1  
1%  
22µF  
X5R  
LX7169  
1µF  
FB  
R2  
1%  
VOUT  
SYNC  
Output Capacitor Range is  
from 22µf to100µF  
Output Inductor Range is  
from 0.47µH to 1µH  
GND  
Power PAD  
PACKAGE ORDER INFO  
THERMAL DATA  
12L DFN (3.0 x 3.5 mm)  
JA = 36C/W  
LD  
TA (C)  
RoHS Compliant / Pb-free  
THERMAL RESISTANCE-JUNCTION TO AMBIENT  
Junction Temperature Calculation: TJ = TA + (PD x JA).  
The JA numbers are guidelines for the thermal performance of the  
device/pc-board system. All of the above assume no ambient airflow.  
-10 to +85  
LX7169CLD  
Note: Available in Tape & Reel. Append the letters “TR” to the part number.  
JA number above is with 4-layer PCB board.  
(i.e. LX7169CLD-TR)  
Microsemi  
Analog Mixed Signal Group  
One Enterprise Aliso Viejo, CA 92656 USA, 1-800-713-4113, 949-380-6100, fax 949-215-4996  
Page 1  
Copyright 2013  
Rev. 1.1 2013-01-16  
1234567...9

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