参数资料
型号: LT3973EMSE-5#TRPBF
厂商: Linear Technology
文件页数: 2/24页
文件大小: 0K
描述: IC REG BUCK 5V 0.75A 10MSOP
标准包装: 2,500
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: 4.2 V ~ 42 V
PWM 型: 电流模式,Burst Mode?
频率 - 开关: 195kHz ~ 2.15MHz
电流 - 输出: 750mA
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-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

LT3973/LT3973-3.3/LT3973-5
ABSOLUTE MAXIMUM RATINGS (Note 1)
3
8 BD
EN/UVLO
11
GND
V IN ,EN/UVLOVoltage...............................................42V
BOOST Pin Voltage ...................................................55V
BOOST Pin Above SW Pin.........................................25V
FB/V OUT , RT, PG Voltage ..............................................6V
BD Voltage ................................................................25V
OUT Voltage ..............................................................14V
PIN CONFIGURATION
TOP VIEW
*FB/V OUT 1 10 RT
OUT 2 9 PG
11
GND
V IN 4 7 BOOST
GND 5 6 SW
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
θ JA = 40°C/W, θ JC = 5°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
* FB for LT3973, V OUT for LT3973-3.3, LT3973-5.
ORDER INFORMATION
Operating Junction Temperature Range (Note 2)
LT3973E/LT3973E-X ........................... –40°C to 125°C
LT3973I/LT3973I-X ............................ –40°C to 125°C
LT3973H/LT3973H-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/V OUT 1 10 RT
OUT 2 9 PG
EN/UVLO 3 8 BD
V IN 4 7 BOOST
GND 5 6 SW
MS PACKAGE
10-LEAD PLASTIC MSOP
θ JA = 45°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3973EDD#PBF
LT3973IDD#PBF
LT3973HDD#PBF
LT3973EMS#PBF
LT3973IMS#PBF
LT3973HMS#PBF
LT3973EMSE-3.3#PBF
LT3973IMSE-3.3#PBF
TAPE AND REEL
LT3973EDD#TRPBF
LT3973IDD#TRPBF
LT3973HDD#TRPBF
LT3973EMSE#TRPBF
LT3973IMSE#TRPBF
LT3973HMS#TRPBF
LT3973EMSE-3.3#TRPBF
LT3973IMSE-3.3#TRPBF
PART MARKING*
LGCH
LGCH
LGCH
LTFYS
LTFYS
LTFYS
LTGGB
LTGGB
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
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
TEMPERATURE RANGE
–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
–40°C to 150°C
–40°C to 125°C
–40°C to 125°C
LT3973HMSE-3.3#PBF
LT3973HMSE-3.3#TRPBF LTGGB
10-Lead Plastic MSOP
–40°C to 150°C
LT3973EDD-3.3#PBF
LT3973IDD-3.3#PBF
LT3973HDD-3.3#PBF
LT3973EMSE-5#PBF
LT3973IMSE-5#PBF
LT3973HMSE-5#PBF
LT3973EDD-3.3#TRPBF
LT3973IDD-3.3#TRPBF
LT3973HDD-3.3#TRPBF
LT3973EMSE-5#TRPBF
LT3973IMSE-5#TRPBF
LT3973HMSE-5#TRPBF
LGGC
LGGC
LGGC
LTGGD
LTGGD
LTGGD
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
10-Lead Plastic MSOP
–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
–40°C to 150°C
3973fa
2
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