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LTC3705IGN#TRPBF PDF预览

LTC3705IGN#TRPBF

更新时间: 2024-11-06 13:09:51
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 285K
描述
LTC3705 - 2-Switch Forward Controller and Gate Driver; Package: SSOP; Pins: 16; Temperature Range: -40°C to 85°C

LTC3705IGN#TRPBF 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,.25
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.15Is Samacsys:N
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 V
JESD-30 代码:R-PDSO-G16JESD-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:-40 °C
最大输出电流:2 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):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:700 kHz技术:CMOS
温度等级:INDUSTRIAL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

LTC3705IGN#TRPBF 数据手册

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LTC3705  
2-Switch Forward  
Controller and Gate Driver  
U
FEATURES  
DESCRIPTIO  
The LTC®3705 is a controller for a 2-switch forward  
converter and includes on-chip bottom and top gate  
drivers that do not require external transformers.  
High-Speed Top and Bottom Gate Drivers for  
2-Switch Forward Converter  
On-Chip Rectifier and Self-Starting Architecture  
Eliminate Need for Separate Gate Drive Bias  
Supply  
For secondary-side control, combine the LTC3705 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: 18V to 80V  
Tolerant of 100V Input Voltage Transients  
Linear Regulator Controller for Fast Start-Up  
Precision UVLO with Adjustable Hysteresis  
Overcurrent Protection  
Volt-Second Limit Prevents Transformer Core  
Saturation  
Alternatively, the LTC3705 can be used as a standalone  
voltagemodecontrollerinaprimary-sidecontrolarchitec-  
ture with optoisolator feedback. Voltage feedforward pro-  
vides excellent line regulation and transient response.  
, LT, LTC and LTM 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  
Voltage Feedforward for Fast Transient Response  
Available in 16-Lead Narrow SSOP 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/20A Isolated 2-Switch Forward Converter  
+
+
V
IN  
V
OUT  
L1  
1.2µH  
MURS120  
T1  
1.2  
Si7852DP  
Si7852DP  
330µF  
6.3V  
×3  
1µF  
100V  
x3  
Si7336ADP  
×2  
Si7336ADP  
MURS120  
CMPSH1-4  
2mΩ  
2W  
30mΩ  
1W  
10µF  
V
V
IN  
OUT  
CZT3019  
100k  
BAS21  
2.2µF  
102k  
FQT7N10  
L1: COILCRAFT SER2010-122  
T1: PULSE PA0807  
0.22µF  
T2: PULSE PA0297  
FG  
SW SG  
V
NDRV  
V
CC  
IN  
+
I
I
S
FS/SYNC  
365k  
1µF  
NDRV  
UVLO  
BOOST TG TS BG IS  
S
T2  
+
+
FB  
FB/IN  
PT  
LTC3706  
ITH  
680pF  
LTC3705  
V
CC  
2.2µF  
33nF  
FS/IN  
PT  
SS/FLT  
GND PGND PHASE SLP MODE REGSD  
RUN/SS  
GND PGND VSLMT  
20k  
22.6k  
15k  
162k  
33nF  
3705 TA01  
3705fb  
1

LTC3705IGN#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3705EGN#TRPBF Linear

完全替代

暂无描述
LTC3705IGN#PBF Linear

类似代替

LTC3705 - 2-Switch Forward Controller and Gate Driver; Package: SSOP; Pins: 16; Temperatur

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