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LTC3822EGN-1 PDF预览

LTC3822EGN-1

更新时间: 2024-02-25 06:29:28
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
24页 371K
描述
No RSENSE, Low Input Voltage, Synchronous Step-Down DC/DC Controller

LTC3822EGN-1 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP16,.3
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.18模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:4.5 V最小输入电压:2.75 V
标称输入电压:3.3 VJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:4.8895 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP16,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:850 kHz技术:CMOS
温度等级:COMMERCIAL EXTENDED端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.899 mmBase Number Matches:1

LTC3822EGN-1 数据手册

 浏览型号LTC3822EGN-1的Datasheet PDF文件第4页浏览型号LTC3822EGN-1的Datasheet PDF文件第5页浏览型号LTC3822EGN-1的Datasheet PDF文件第6页浏览型号LTC3822EGN-1的Datasheet PDF文件第8页浏览型号LTC3822EGN-1的Datasheet PDF文件第9页浏览型号LTC3822EGN-1的Datasheet PDF文件第10页 
LTC3822-1  
(DD/GN)  
PIN FUNCTIONS  
BG (Pin 8/Pin 11): Bottom Gate Driver Output. This pin  
drives the gate of the external bottom-side MOSFET. This  
pin has an output swing from GND to BOOST.  
SW (Pin 12/Pin 16): Switch Node Connection to Inductor.  
Thispinisalsothenegativeinputtothedifferentialcurrent  
comparator(DFN only) and an input to the reverse current  
comparator. Normally this pin is connected to the source  
of the external topside MOSFET, the drain of the external  
bottom-side MOSFET, and the inductor.  
TG (Pin 9/Pin 12): Top Gate Driver Output. This pin drives  
the gate of the external topside MOSFET. This pin has an  
output swing from GND to BOOST.  
Exposed Pad (Pin 13, DD Only): Ground. The Exposed  
Pad is ground and must be soldered to the PCB ground  
for electrical contact and optimal thermal performance.  
BOOST (Pin 10/Pin 13): Positive Supply Pin for the Gate  
Driver Circuitry. A bootstrapped capacitor, charged with  
an external Schottky diode and a boost voltage source, is  
connectedbetweentheBOOSTandSWpins.Voltageswing  
at the BOOST pin is from boost source voltage (typically  
GND (Pins 1, 9 GN Only): Ground.  
PGOOD (Pin 4, GN Only): Power Good Output Voltage  
V ) to this boost source voltage + V .  
IN  
IN  
Monitor Open-Drain Logic Output. This pin is pulled to  
V (Pin 11/Pin 14): This pin powers the control circuitry  
ground when the voltage on the feedback pin V is not  
IN  
FB  
and serves as the positive input to the differential current  
within 13.3% of its nominal set point.  
comparator.  
SENSE (Pin15,GNOnly):NegativeInputtotheDifferential  
Current Comparator. Normally this pin is connected to the  
source of the external topside MOSFET.  
38221f  
7

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