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| 型号： | LT3741EFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 20TSSOP |
| 标准包装： | 74 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1.07MHz |
| 电源电压： | 6 V ~ 36 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： | -40°C ~ 125°C |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 产品目录页面： | 1332 (CN2011-ZH PDF) |
LT3741/LT3741-1
ABSOLUTE MAXIMUM RATINGS (Note 1)
V IN Voltage ................................................................40V
EN/UVLO Voltage ........................................................6V
V REF Voltage................................................................3V
CTRL1 and CTRL2 Voltage ..........................................3V
SENSE + Voltage ........................................................40V
SENSE – Voltage ........................................................40V
VC Voltage ..................................................................3V
SW Voltage ...............................................................40V
CBOOT ......................................................................46V
RT Voltage...................................................................3V
FB Voltage ...................................................................3V
SS Voltage ..................................................................6V
V CC_INT Voltage ...........................................................6V
SYNC Voltage ..............................................................6V
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
V CC_INT
1
20 LG
20 19 18 17 16
GND
2
19 CBOOT
EN/UVLO 1
V REF 2
CTRL2 3
GND 4
CTRL1 5
21
GND
15 HG
14 GND
13 SYNC
12 RT
11 GND
V IN
EN/UVLO
V REF
CTRL2
GND
CTRL1
3
4
5
6
7
8
21
GND
18 SW
17 HG
16 GND
15 SYNC
14 RT
13 VC
6
7
8
9 10
SS
9
12 SENSE –
FB 10
11 SENSE +
UF PACKAGE
20-LEAD (4mm × 4mm) PLASTIC QFN
T JMAX = 125°C, q JA = 37°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
FE PACKAGE
20-LEAD PLASTIC TSSOP
T JMAX = 125°C, q JA = 38°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3741EUF#PBF
LT3741IUF#PBF
LT3741EFE#PBF
LT3741IFE#PBF
LT3741EUF-1#PBF
LT3741IUF-1#PBF
LT3741EFE-1#PBF
LT3741IFE-1#PBF
TAPE AND REEL
LT3741EUF#TRPBF
LT3741IUF#TRPBF
LT3741EFE#TRPBF
LT3741IFE#TRPBF
LT3741EUF-1#TRPBF
LT3741IUF-1#TRPBF
LT3741EFE-1#TRPBF
LT3741IFE-1#TRPBF
PART MARKING*
3741
3741
LT3741FE
LT3741FE
37411
37411
LT3741FE-1
LT3741FE-1
PACKAGE DESCRIPTION
20-Lead (4mm × 4mm) Plastic QFN
20-Lead (4mm × 4mm) Plastic QFN
20-Lead Plastic TSSOP
20-Lead Plastic TSSOP
20-Lead (4mm × 4mm) Plastic QFN
20-Lead (4mm × 4mm) Plastic QFN
20-Lead Plastic TSSOP
20-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
37411fe
2
For more information www.linear.com/LT3741
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3741EFE-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 |
| LT3741EUF#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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 |
| LT3741EUF#TRPBF | 功能描述:IC REG CTRLR BUCK PWM CM 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 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:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX |
| LT3741EUF-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Power, Constant Current, Constant Voltage, Step-Down Controller |
| LT3741EUF-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 |
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