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参数资料
| 型号： | LT3741IUF#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 1070 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封装： | 4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGD-1, QFN-20 |
| 文件页数： | 12/24页 |
| 文件大小： | 243K |
| 代理商： | LT3741IUF#PBF |
LT3741
2
3741fb
VIN Voltage................................................................40V
EN/UVLO Voltage ........................................................6V
VREF Voltage................................................................3V
CTRL1 and CTRL2 Voltage..........................................3V
SENSE+ Voltage ........................................................40V
SENSE– Voltage ........................................................40V
VC Voltage ..................................................................3V
SW Voltage ...............................................................40V
CBOOT ......................................................................46V
(Note 1)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3741EUF#PBF
LT3741EUF#TRPBF
3741
20-Lead (4mm
4mm) Plastic QFN
–40°C to 125°C
LT3741IUF#PBF
LT3741IUF#TRPBF
3741
20-Lead (4mm
4mm) Plastic QFN
–40°C to 125°C
LT3741EFE#PBF
LT3741EFE#TRPBF
LT3741FE
20-Lead Plastic TSSOP
–40°C to 125°C
LT3741IFE#PBF
LT3741IFE#TRPBF
LT3741FE
20-Lead Plastic TSSOP
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
ABSOLUTE MAXIMUM RATINGS
20 19 18 17 16
6
7
8
TOP VIEW
21
GND
UF PACKAGE
20-LEAD (4mm
4mm) PLASTIC QFN
9
10
5
4
3
2
1
11
12
13
14
15
EN/UVLO
VREF
CTRL2
GND
CTRL1
HG
GND
SYNC
RT
GND
V
IN
V
CC_INT
LG
CBOOT
SW
SS
FB
SENSE
+
SENSE
–
VC
TJMAX = 125°C,
qJA = 37°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
FE PACKAGE
20-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
VCC_INT
GND
VIN
EN/UVLO
VREF
CTRL2
GND
CTRL1
SS
FB
LG
CBOOT
SW
HG
GND
SYNC
RT
VC
SENSE–
SENSE+
21
GND
TJMAX = 125°C,
qJA = 38°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
RT Voltage...................................................................3V
FB Voltage...................................................................3V
SS Voltage ..................................................................6V
VCC_INT Voltage ...........................................................6V
SYNC Voltage..............................................................6V
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C
相关PDF资料 |
PDF描述 |
|---|---|
| LT3748HMS#PBF | SWITCHING CONTROLLER, PDSO12 |
| LT3758HMSE#TRPBF | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10 |
| LT3758MPMSE#PBF | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10 |
| LT3758HMSE#PBF | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10 |
| LT3758MPMSE#TRPBF | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3741IUF-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Power, Constant Current, Constant Voltage, Step-Down Controller |
| LT3742 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual, 2-Phase Step-Down Switching Controller |
| LT3742_1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual, 2-Phase Step-Down Switching Controller Programmable Soft-Start |
| LT3742EUF#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 24-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR |
| LT3742EUF#TRPBF | 功能描述:IC REG CTRLR BUCK PWM CM 24-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR) |
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