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参数资料
| 型号： | LT3574EMS#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.1 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | LEAD FREE, PLASTIC, MSOP-16 |
| 文件页数： | 12/24页 |
| 文件大小： | 285K |
| 代理商： | LT3574EMS#TRPBF |
LT3574
3574f
absolute MaxiMuM ratings
SW............................................................................60V
VIN, SHDN/UVLO, RFB, BIAS.....................................40V
SS, VC, TC, RREF, RILIM...............................................5V
Maximum Junction Temperature .......................... 125°C
Operating Junction Temperature Range
(Note 2)..................................................–40°C to 125°C
Storage Temperature Range ..................–65°C to 150°C
orDer inForMation
electrical characteristics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, unless otherwise noted.
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3574EMS#PBF
LT3574EMS#TRPBF
3574
16-Lead Plastic MSOP
–40°C to 125°C
LT3574IMS#PBF
LT3574IMS#TRPBF
3574
16-Lead Plastic MSOP
–40°C to 125°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/
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
l
3
40
V
Quiescent Current
SS = 0V
VSHDN/UVLO = 0V
3.5
0
1
mA
A
Soft-Start Current
SS = 0.4V
7
A
SHDN/UVLO Pin Threshold
UVLO Pin Voltage Rising
l
1.15
1.22
1.29
V
SHDN/UVLO Pin Hysteresis Current
VUVLO = 1V
2
2.5
3
A
Soft-Start Threshold
0.7
V
Maximum Switching Frequency
1000
kHz
Switch Current Limit
RILIM = 10k
0.65
0.9
1.1
A
Minimum Current Limit
VC = 0V
100
mA
Switch VCESAT
ISW = 0.5A
150
250
mV
RREF Voltage
VIN = 3V
l
1.21
1.20
1.23
1.25
V
RREF Voltage Line Regulation
3V < VIN < 40V
0.01
0.03
%/ V
RREF Pin Bias Current
(Note 3)
l
100
600
nA
IREF Reference Current
Measured at RFB Pin with RREF = 6.49k
190
A
Error Amplifier Voltage Gain
VIN = 3V
150
V/V
pin conFiguration
1
2
3
4
5
6
7
8
GND
TEST
GND
SW
VIN
BIAS
SHDN/UVLO
GND
16
15
14
13
12
11
10
9
GND
TC
RREF
RFB
VC
RILIM
SS
GND
TOP VIEW
MS PACKAGE
16-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 120°C/W, θJC = 21°C/W
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3574IMS | 制造商:LINER 制造商全称:Linear Technology 功能描述:Isolated Flyback Converter Without an Opto-Coupler |
| LT3574IMS#PBF | 功能描述:IC REG FLYBK ISO ADJ .65A 16MSOP 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:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 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 |
| LT3574IMS#TRPBF | 功能描述:IC REG FLYBK ISO ADJ .65A 16MSOP 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:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 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 |
| LT3574IMSPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Isolated Flyback Converter Without an Opto-Coupler |
| LT3574IMSTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Isolated Flyback Converter Without an Opto-Coupler |
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