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LTC3725EMSE PDF预览

LTC3725EMSE

更新时间: 2024-09-25 04:43:39
品牌 Logo 应用领域
凌特 - Linear 驱动器栅极开关栅极驱动控制器
页数 文件大小 规格书
20页 267K
描述
Single-Switch Forward Controller and Gate Driver

LTC3725EMSE 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:MSOP包装说明:HTSSOP, TSSOP10,.19,20
针数:10Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.14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
最大输入电压:15 V最小输入电压:7 V
标称输入电压:12 VJESD-30 代码:S-PDSO-G10
JESD-609代码:e0长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:10最高工作温度:85 °C
最低工作温度:最大输出电流:2 A
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP10,.19,20封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):235
认证状态:Not Qualified座面最大高度:1.1 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:SINGLE最大切换频率:700 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:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:3 mm
Base Number Matches:1

LTC3725EMSE 数据手册

 浏览型号LTC3725EMSE的Datasheet PDF文件第2页浏览型号LTC3725EMSE的Datasheet PDF文件第3页浏览型号LTC3725EMSE的Datasheet PDF文件第4页浏览型号LTC3725EMSE的Datasheet PDF文件第5页浏览型号LTC3725EMSE的Datasheet PDF文件第6页浏览型号LTC3725EMSE的Datasheet PDF文件第7页 
LTC3725  
Single-Switch Forward  
Controller and Gate Driver  
U
FEATURES  
DESCRIPTIO  
The LTC®3725 is a controller for a single-switch forward  
converter and includes an on-chip gate driver.  
High Speed Gate Driver for Forward Converter  
On-Chip Rectifier and Self-Starting Architecture  
Eliminates Need for Separate Gate Drive Bias  
Supply  
For secondary-side control, combine the LTC3725 with  
the LTC3706 PolyPhase® secondary-side synchronous  
forward controller to create a complete forward converter  
using a minimum of discrete parts. A proprietary scheme  
is used to multiplex gate drive signals across the isolation  
barrier through a tiny pulse transformer. The on-chip  
rectifierandthesamepulsetransformerprovidegatedrive  
bias power.  
Wide Input Voltage Supply Range: 9V and Up  
Linear Regulator Controller for Fast Start-Up  
Precision UVLO with Adjustable Hysteresis  
Overcurrent Protection  
Volt-Second Limit Prevents Transformer Core  
Saturation  
Voltage Feedforward for Fast Transient Response  
Alternatively, the LTC3725 can be used as a standalone  
voltagemodecontrollerinaprimary-sidecontrolarchitec-  
ture with optoisolator feedback. Voltage feedforward pro-  
vides excellent line regulation and transient response.  
, LTC and LT are registered trademarks of Linear Technology Corporation. PolyPhase is  
a registered trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners. Patent Pending  
Available in 10-Lead MSOP Package  
U
APPLICATIO S  
Isolated 48V Telecommunication Systems  
Internet Servers and Routers  
Distributed Power Step-Down Converters  
Automotive and Heavy Equipment  
U
TYPICAL APPLICATIO  
36V-72V to 3.3V/30A Isolated Single-Switch Forward Converter  
+
T1  
V
IN  
36V TO 72V  
L1  
0.85µH  
+
V
3.3V  
30A  
OUT  
1µF  
100V  
×2  
B0540W  
100µF  
6.3V  
×2  
+
220µF  
HAT2165  
×2  
HAT2165  
×2  
1.2Ω  
1/4W  
Si7450DP  
6.3V  
2.2nF  
200V  
0.030Ω  
1W  
0.0012Ω  
1W  
10µF  
V
IN  
V
OUT  
2.2µF  
FCX491A  
100k  
FDC2512  
2.74k  
0.1µF  
1µF  
+
NDRV GATE  
I
FG SW  
I
I
SG V NDRV  
IN  
V
MODE  
CC  
S
S
S
+
+
V
FB/IN  
PT  
PT  
CC  
T2  
365k  
5.1k  
UVLO  
LTC3725  
LTC3706  
FB  
1µF  
SSFLT  
FS/IN  
15k  
V
GND PGND RUN/SS SLP REGSD FS/SYNC PHASE  
I
TH  
SLMT PGND GND  
162k  
604Ω  
33nF  
3.3k  
47nF  
33nF  
100k  
470pF  
L1: PULSE PA1294.910  
T1: PULSE PA0815  
T2: PULSE PA0297  
3725 TA01  
3725f  
1

LTC3725EMSE 替代型号

型号 品牌 替代类型 描述 数据表
LTC3725EMSE#TRPBF Linear

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