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参数资料
| 型号： | LT3990IMSE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 0.35A 16MSOP |
| 标准包装： | 37 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.21 V ~ 25 V |
| 输入电压： | 4.2 V ~ 62 V |
| PWM 型： | 电流模式，Burst Mode? |
| 频率 - 开关： | 210kHz ~ 2.3MHz |
| 电流 - 输出： | 350mA |
| 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： | 16-TFSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-MSOP，裸露焊盘 |
LT3990/LT3990-3.3/LT3990-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
V IN , EN/UVLO Voltage ...............................................62V
BOOST Pin Voltage ...................................................75V
BOOST Pin Above SW Pin.........................................30V
FB/V OUT , RT Voltage ....................................................6V
PG, BD Voltage .........................................................30V
PIN CONFIGURATION
TOP VIEW
Operating Junction Temperature Range (Note 2)
LT3990E/LT3990E-X ........................... –40°C to 125°C
LT3990I/LT3990I-X ............................ –40°C to 125°C
LT3990H/LT3990H-X .......................... –40°C to 150°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MS Only ............................................................ 300°C
TOP VIEW
FB
EN/UVLO
V IN
GND
GND
1
2
3
4
5
11
GND
10 RT
9 PG
8 BD
7 BOOST
6 SW
FB/V OUT *
FB/V OUT *
NC
EN/UVLO
NC
V IN
NC
GND
1
2
3
4
5
6
7
8
17
GND
16
15
14
13
12
11
10
9
RT
NC
PG
BD
NC
BOOST
NC
SW
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
θ JA = 45°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
MSE PACKAGE
16-LEAD PLASTIC MSOP
θ JA = 40°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
*FB FOR LT3990, V OUT FOR LT3990-3.3, LT3990-5
LEAD FREE FINISH
LT3990EDD#PBF
LT3990IDD#PBF
LT3990EMSE#PBF
LT3990IMSE#PBF
LT3990HMSE#PBF
LT3990EMSE-3.3#PBF
LT3990IMSE-3.3#PBF
TAPE AND REEL
LT3990EDD#TRPBF
LT3990IDD#TRPBF
LT3990EMSE#TRPBF
LT3990IMSE#TRPBF
LT3990HMSE#TRPBF
LT3990EMSE-3.3#TRPBF
LT3990IMSE-3.3#TRPBF
PART MARKING*
LFWJ
LFWJ
3990
3990
3990
399033
399033
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
16-Lead Plastic MSOP
16-Lead Plastic MSOP
16-Lead Plastic MSOP
16-Lead Plastic MSOP
16-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 150°C
–40°C to 125°C
–40°C to 125°C
LT3990HMSE-3.3#PBF
LT3990HMSE-3.3#TRPBF 399033
16-Lead Plastic MSOP
–40°C to 150°C
LT3990EMSE-5#PBF
LT3990IMSE-5#PBF
LT3990HMSE-5#PBF
LT3990EMSE-5#TRPBF
LT3990IMSE-5#TRPBF
LT3990HMSE-5#TRPBF
39905
39905
39905
16-Lead Plastic MSOP
16-Lead Plastic MSOP
16-Lead Plastic MSOP
–40°C to 125°C
–40°C to 125°C
–40°C to 150°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/
3990fa
2
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相关代理商/技术参数 |
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| LT3990IMSPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:60V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes |
| LT3990IMSTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:60V, 350mA Step-Down Regulator with 2.5μA Quiescent Current and Integrated Diodes |
| LT3991 | 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 |
| LT3991EDD#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:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT3991EDD#PBF | 制造商:Linear Technology 功能描述:IC STEP-DOWN REGULATOR DFN-10 制造商:Linear Technology 功能描述:IC, STEP-DOWN REGULATOR, DFN-10 |
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