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参数资料
| 型号： | LT3991EMSE-5#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V 1.2A 10-MSOP |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 4.3 V ~ 55 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 200kHz ~ 2MHz |
| 电流 - 输出： | 1.2A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 10-MSOP 裸露焊盘 |
LT3991/LT3991-3.3/LT3991-5
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN , EN Voltage .........................................................55V
BOOST Pin Voltage ...................................................75V
BOOST Pin Above SW Pin .........................................30V
FB, V OUT , RT, SYNC, SS Voltage .................................6V
PG, BD Voltage .........................................................30V
Boost Diode Current....................................................1A
PIN CONFIGURATION
Operating Junction Temperature Range (Note 2)
LT3991E ............................................. –40°C to 125°C
LT3991I.............................................. –40°C to 125°C
Storage Temperature Range .............. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
(MSE Only) ....................................................... 300°C
LT3991
TOP VIEW
LT3991
LT3991-3.3, LT3991-5
3
8 RT
SW
11
GND
11
GND
BD 1 10 SYNC
BOOST 2 9 PG
11
GND
V IN 4 7 SS
EN 5 6 FB
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
θ JA = 45°C, θ JC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
TOP VIEW
BD 1 10 SYNC
BOOST 2 9 PG
SW 3 8 RT
V IN 4 7 SS
EN 5 6 FB
MSE PACKAGE
10-LEAD PLASTIC MSOP
θ JA = 45°C, θ JC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
BD 1 10 SYNC
BOOST 2 9 PG
SW 3 8 RT
V IN 4 7 SS
EN 5 6 V OUT
MSE PACKAGE
10-LEAD PLASTIC MSOP
θ JA = 45°C, θ JC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3991EDD#PBF
LT3991IDD#PBF
LT3991EMSE#PBF
LT3991IMSE#PBF
LT3991EMSE-3.3#PBF
LT3991IMSE-3.3#PBF
LT3991EMSE-5#PBF
LT3991IMSE-5#PBF
TAPE AND REEL
LT3991EDD#TRPBF
LT3991IDD#TRPBF
LT3991EMSE#TRPBF
LT3991IMSE#TRPBF
LT3991EMSE-3.3#TRPBF
LT3991IMSE-3.3#TRPBF
LT3991EMSE-5#TRPBF
LT3991IMSE-5#TRPBF
PART MARKING*
LFJR
LFJR
LTFJS
LTFJS
LTFRS
LTFRS
LTFRV
LTFRV
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
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/
2
3991fa
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相关代理商/技术参数 |
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|---|---|
| LT3991EMSEPBF | 制造商:Linear Technology 功能描述:DC-DC Converter Step-Down 4.3-55V MSOP10 |
| LT3991EMSETRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:55V, 1.2A Step-Down Regulator with 2.8 Quiescent Current |
| LT3991IDD#PBF | 功能描述:IC REG BUCK ADJ 1.2A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:MIC23xxx HyperLight Load™ Regulators 标准包装:5,000 系列:HyperLight Load® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.8V 输入电压:2.7 V ~ 5.5 V PWM 型:混合物 频率 - 开关:4MHz 电流 - 输出:2A 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘，8-MLF? 包装:带卷 (TR) 供应商设备封装:8-MLF?（2x2） 产品目录页面:1094 (CN2011-ZH PDF) 其它名称:576-3303-2 |
| LT3991IDD#TRPBF | 功能描述:IC REG BUCK ADJ 1.2A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3991IDDPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:55V, 1.2A Step-Down Regulator with 2.8 Quiescent Current |
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