参数资料
型号: 750108
厂商: Wurth Electronics Inc
文件页数: 2/30页
文件大小: 0K
描述: BOARD EVAL FOR LT3748
设计资源: LT3748 Design Schematic/Tips
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,隔离
功率 - 输出: 30W
输出电压: 12V
电流 - 输出: 2.5A
输入电压: 22 ~ 75 V
稳压器拓扑结构: 回扫
板类型: 完全填充
已供物品:
已用 IC / 零件: LT3748
相关产品: LT3748HMS#TRPBF-ND - IC REG CTRLR FLYBK ISO CM 16MSOP
LT3748HMS#PBF-ND - IC REG CTRLR FLYBK ISO CM 16MSOP
LT3748IMS#TRPBF-ND - IC REG CTRLR FLYBK ISO CM 16MSOP
LT3748IMS#PBF-ND - IC REG CTRLR FLYBK ISO CM 16MSOP
LT3748EMS#TRPBF-ND - IC REG CTRLR FLYBK ISO CM 16MSOP
LT3748EMS#PBF-ND - IC REG CTRLR FLYBK ISO CM 16MSOP
其它名称: 732-3308
LT3748
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
V IN , R FB ...................................................................100V
V IN to R FB ..................................................................±5V
EN/UVLO...................................................... –0.3V, 100V
V IN 1
EN/UVLO 3
TOP VIEW
16 R FB
14 R REF
INTV CC ....................................................V IN + 0.3V, 20V
SS, V C , TC, R REF ..........................................................6V
SENSE ......................................................................0.4V
Operating Junction Temperature Range (Note 2)
LT3748E/LT3748I ............................... –40°C to 125°C
LT3748H ............................................ –40°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
ORDER INFORMATION
INTV CC 5 12
GATE 6 11
SENSE 7 10
GND 8 9
MS PACKAGE
16 (12)-LEAD PLASTIC MSOP
T JMAX = 150°C, θ JA = 90°C/W
TC
V C
SS
GND
LEAD FREE FINISH
LT3748EMS#PBF
LT3748IMS#PBF
LT3748HMS#PBF
TAPE AND REEL
LT3748EMS#TRPBF
LT3748IMS#TRPBF
LT3748HMS#TRPBF
PART MARKING*
3748
3748
3748
PACKAGE DESCRIPTION
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 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.
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/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 10V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
Quiescent Current
V IN Quiescent Current, INTV CC Overdriven
INTV CC Voltage Range
Not Switching
V EN/UVLO = 0.2V
V INTVCC = 10V
l
l
5
4.5
1.3
0
300
100
1.75
1
450
20
V
mA
μA
μA
V
INTV CC Pin Regulation Voltage
INTV CC Dropout
(V IN – V INTVCC ), I INTVCC = 10mA, V IN = 5V
6.8
7
0.7
7.2
V
V
INTV CC Undervoltage Lockout
EN/UVLO Pin Threshold
EN/UVLO Pin Hysteresis Current
Falling Threshold
EN/UVLO Pin Voltage Rising
EN/UVLO = 1V
l
l
3.45
1.19
1.9
3.6
1.223
2.4
3.75
1.25
2.9
V
V
μA
Soft-Start Current
Soft-Start Threshold
Soft-Start Reset Current
V SS = 0.4V (Note 3)
5
0.65
3
μA
V
mA
Maximum SENSE Current Limit Threshold
V C = 2.2V
l
95
90
100
100
105
110
mV
mV
Minimum SENSE Current Limit Threshold
V C = 0V
15
mV
3748fa
2
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