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LTC3721EGN-1 PDF预览

LTC3721EGN-1

更新时间: 2024-11-21 05:43:55
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管控制器
页数 文件大小 规格书
16页 181K
描述
Push-Pull PWM Controller

LTC3721EGN-1 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP16,.25
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.19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:9.5 V最小输入电压:6.5 V
标称输入电压:9.5 VJESD-30 代码:R-PDSO-G16
JESD-609代码:e0长度:4.89 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:最大输出电流:0.1 A
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):235
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:1000 kHz
技术:CMOS温度等级:OTHER
端子面层:Tin/Lead (Sn/Pb)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:20宽度:3.899 mm
Base Number Matches:1

LTC3721EGN-1 数据手册

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LTC3721-1  
Push-Pull PWM Controller  
U
DESCRIPTIO  
FEATURES  
The LTC®3721-1 push-pull PWM controller provides all of  
the control and protection functions necessary for com-  
pact and highly efficient, isolated power converters. High  
integration minimizes external component count, while  
preserving design flexibility.  
High Efficiency Push-Pull PWM  
1.5A Sink, 1A Source Output Drivers  
Adjustable Push-Pull Dead-Time  
Adjustable System Undervoltage Lockout and  
Hysteresis  
Adjustable Leading Edge Blanking  
The robust push-pull output stages switch at half the  
oscillator frequency. Dead-time is independently pro-  
grammedwithanexternalresistor. AUVLOprograminput  
providesprecisesystemturn-onandturnoffvoltages.The  
LTC3721-1 features peak current mode control with pro-  
grammable slope compensation and leading edge  
blanking.  
Low Start-Up and Quiescent Currents  
Current Mode Operation  
Single Resistor Slope Compensation  
VCC UVLO and 25mA Shunt Regulator  
Programmable Fixed Frequency Operation to 1MHz  
Soft-Start, Cycle-by-Cycle Current Limiting and  
Hiccup Mode Short-Circuit Protection  
5V, 15mA Low Dropout Regulator  
The LTC3721-1 features extremely low operating and  
start-up currents and reliable short-circuit and  
overtemperature protection. The LTC3721-1 is offered in  
16-pin SSOP and (4mm × 4mm) QFN packages.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
16-Pin SSOP and (4mm × 4mm) QFN Packages  
U
APPLICATIO S  
Telecommunications, Infrastructure Power Systems  
Distributed Power Architectures  
Server Power Supplies  
High Density Power Modules  
U
TYPICAL APPLICATIO  
Isolated Push-Pull Converter  
V
V
IN  
OUT  
+
UVLO  
DRVA  
FROM  
AUXILIARY  
WINDING  
DRVB  
CS  
V
CC  
DPRG  
LTC3721-1  
R
CS  
V
REF  
C
T
V
REF  
R
LEB  
V
OUT  
V
OUT  
SS  
COMP  
+
V
R
TOP  
COLL  
R
REF  
LT1431  
GND-F GND-S  
FB GND  
COMP  
R
MID  
37211 TA01  
sn37211 37211fs  
1

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