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LTC3722EGN-2#PBF PDF预览

LTC3722EGN-2#PBF

更新时间： 2024-02-17 16:14:18
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管
页数 文件大小 规格书
28页 331K
描述
LTC3722 - Synchronous Dual Mode Phase Modulated Full Bridge Controllers; Package: SSOP; Pins: 24; Temperature Range: -40°C to 85°C

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LTC3722EGN-2#PBF 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：SSOP,
针数：24Reach Compliance Code：compliant
风险等级：5.16模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最小输入电压：6.3 V标称输入电压：9.5 V
JESD-30 代码：R-PDSO-G24JESD-609代码：e3
长度：8.649 mm湿度敏感等级：1
功能数量：1端子数量：24
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
表面贴装：YES切换器配置：PHASE-SHIFT
技术：CMOS温度等级：OTHER
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 mm
Base Number Matches：1

LTC3722EGN-2#PBF 数据手册

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LTC3722-1/LTC3722-2  
Synchronous Dual Mode  
Phase Modulated  
Full Bridge Controllers  
DESCRIPTION  
The LTC®3722-1/LTC3722-2 phase-shift PWM controllers  
provide all of the control and protection functions neces-  
sary to implement a high efficiency, zero voltage switched  
(ZVS), full bridge power converter. Adaptive ZVS circuitry  
delays the turn-on signals for each MOSFET independent  
of internal and external component tolerances. Manual  
delay set mode enables secondary side control operation  
or direct control of switch turn-on delays.  
FEATURES  
n
Adaptive or Manual Delay Control for Zero Voltage  
Switching Operation  
n
Adjustable Synchronous Rectification Timing for  
Highest Efficiency  
Adjustable Maximum ZVS Delay  
n
n
Adjustable System Undervoltage Lockout Hysteresis  
n
Programmable Leading Edge Blanking  
n
Very Low Start-Up and Quiescent Currents  
n
Current Mode (LTC3722-1) or Voltage Mode  
The LTC3722-1/LTC3722-2 feature adjustable synchron-  
ousrectifiertimingforoptimalefficiency.AUVLOprogram  
input provides accurate system turn-on and turn-off  
voltages. The LTC3722-1 features peak current mode  
control with programmable slope compensation and  
leading edge blanking, while the LTC3722-2 employs  
voltage mode control.  
(LTC3722-2) Operation  
Programmable Slope Compensation  
n
n
V
UVLO and 25mA Shunt Regulator  
CC  
n
n
50mA Output Drivers  
Soft-Start, Cycle-by-Cycle Current Limiting and  
Hiccup Mode Short-Circuit Protection  
5V, 15mA Low Dropout Regulator  
24-Pin Surface Mount GN Package  
n
n
TheLTC3722-1/LTC3722-2featureextremelylowoperating  
and start-up currents. Both devices include a full range of  
protection features and are available in the 24-pin surface  
mount GN package.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
DirectSense is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners.  
APPLICATIONS  
n
Telecommunications, Infrastructure Power Systems  
n
Distributed Power Architectures  
n
Server Power Supplies  
TYPICAL APPLICATION  
V
IN  
36V TO  
72V  
C
R1  
IN  
12VOUT, 240W Converter Efficiency  
U2  
U1  
95  
MA  
MC  
36V  
IN  
T1  
90  
85  
80  
75  
L1  
L2  
LTC3722  
V
OUT  
12V  
48V  
IN  
72V  
IN  
C
OUT  
MB  
MD  
T2  
RCS  
ME  
0
2
4
6
8
10 12 14 16 18 20  
CURRENT (A)  
U3  
C1  
MF  
372212 TA01b  
U1, U2: LTC4440 GATE DRIVER  
U3: LTC3901 GATE DRIVER  
372212 TA01a  
372212fb  
1
For more information www.linear.com/LTC3722  
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