参数资料
型号: LT3990IDD#TRPBF
厂商: Linear Technology
文件页数: 2/22页
文件大小: 0K
描述: IC REG BUCK ADJ 0.35A 10DFN
标准包装: 2,500
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:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-DFN(3x3)
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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