参数资料
型号: LT3512EMS#PBF
厂商: Linear Technology
文件页数: 2/26页
文件大小: 0K
描述: IC REG FLYBK ISO ADJ .42A 16MSOP
标准包装: 37
类型: 回扫,隔离
输出类型: 可调式
输出数: 1
输出电压: 可调
输入电压: 4.5 V ~ 100 V
PWM 型: 电流模式,混合
频率 - 开关: 40kHz ~ 650kHz
电流 - 输出: 420mA
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: 16-TFSOP(0.118",3.00mm),12 引线
包装: 管件
供应商设备封装: 16-MSOP

LT3512
ABSOLUTE MAXIMUM RATINGS
(Note 1)
SW (Note 4) ............................................................150V
V IN , EN/UVLO, R FB ..................................................100V
V IN to R FB ..................................................................±6V
BIAS ................................................Lesser of 20V or V IN
R REF ,T C , VC .................................................................6V
Operating Junction Temperature Range (Note 2)
LT3512E, LT3512I .............................. –40°C to 125°C
LT3512H ............................................ –40°C to 150°C
LT3512MP.......................................... –55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
ORDER INFORMATION
PIN CONFIGURATION
TOP VIEW
EN/UVLO 1 16 SW
V IN 3 14 R FB
GND 5 12 R REF
BIAS 6 11 T C
NC 7 10 VC
GND 8 9 GND
MS PACKAGE
16(12)-LEAD PLASTIC MSOP
θ JA = 90°C/W
LEAD FREE FINISH
LT3512EMS#PBF
LT3512IMS#PBF
LT3512HMS#PBF
LT3512MPMS#PBF
TAPE AND REEL
LT3512EMS#TRPBF
LT3512IMS#TRPBF
LT3512HMS#TRPBF
LT3512MPMS#TRPBF
PART MARKING*
3512
3512
3512
3512
PACKAGE DESCRIPTION
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 150°C
–55°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 a re at T A = 25°C. V IN = 24V unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
Quiescent Current
V IN = BIAS
Not Switching
V EN/UVLO = 0.2V
l
6
4.5
3.5
0
100
15
4.5
V
V
mA
μA
EN/UVLO Pin Threshold
EN/UVLO Pin Current
EN/UVLO Pin Voltage Rising
V EN/UVLO =1.1V
V EN/UVLO =1.4V
l
1.15
2.0
1.21
2.6
0
1.27
3.3
V
μA
μA
Maximum Switching Frequency
Minimum Switching Frequency
650
40
kHz
kHz
Maximum Current Limit
Minimum Current Limit
Switch V CESAT
I SW = 200mA
420
80
600
120
0.5
800
150
mA
mA
V
R REF Voltage
R REF Voltage Line Regulation
6V < V IN < 100V
l
1.18
1.17
1.20
0.01
1.215
1.23
0.03
V
V
%/V
R REF Pin Bias Current
(Note 3)
l
80
400
nA
Error Amplifier Voltage Gain
150
V/V
Error Amplifier Transconductance
? I = 2μA
140
μmhos
3512fb
2
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