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参数资料
| 型号： | LT3573EMSE#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.85 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | LEAD FREE, PLASTIC, MSOP-16 |
| 文件页数： | 1/26页 |
| 文件大小： | 1182K |
| 代理商： | LT3573EMSE#PBF |
LT3573
3573fc
Features
applications
Description
Isolated Flyback Converter
without an Opto-Coupler
The LT3573 is a monolithic switching regulator specifi-
cally designed for the isolated flyback topology. No third
winding or opto-isolator is required for regulation. The
part senses the isolated output voltage directly from the
primary-side flyback waveform. A 1.25A, 60V NPN power
switch is integrated along with all control logic into a
16-lead MSOP package.
The LT3573 operates with input supply voltages from
3V to 40V, and can deliver output power up to 7W with
no external power devices.The LT3573 utilizes boundary
mode operation to provide a small magnetic solution with
improved load regulation.
5V Isolated Flyback Converter
n
3V to 40V Input Voltage Range
n
1.25A, 60V Integrated NPN Power Switch
n
Boundary Mode Operation
n
No Transformer Third Winding or
Opto-Isolator Required for Regulation
n
Improved Primary-Side Winding Feedback
Load Regulation
n
VOUT Set with Two External Resistors
n
BIAS Pin for Internal Bias Supply and Power
NPN Driver
n
Programmable Soft-Start
n
Programmable Power Switch Current Limit
n
Thermally Enhanced 16-Lead MSOP
n
Industrial, Automotive and Medical Isolated
Power Supplies
Load Regulation
SHDN/UVLO
TC
RILIM
SS
RFB
RREF
SW
VC
GND TEST BIAS
LT3573
3573 TA01
28.7k
10k
20k
VIN
12V TO 24V
VOUT+
5V, 0.7A
VOUT–
VIN
3:1
357k
51.1k
10F
2.6H
24H
47F
10nF
1nF
4.7F
6.04k
2k
80.6k
B340A
PMEG6010
0.22F
IOUT (mA)
0
OUTPUT
VOL
TAGE
ERROR
(%)
1
2
0
–1
400
800
200
600
1000 1200 1400
–2
–3
3
3573 TA01b
VIN = 12V
VIN = 24V
typical application
L
, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks
and No RSENSE and ThinSOT are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners. Protected by U.S. Patents, including
5438499 and 7471522.
相关PDF资料 |
PDF描述 |
|---|---|
| LT3573IMSE#TRPBF | 1.85 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| LT3581EDE#PBF | SWITCHING REGULATOR, PDSO14 |
| LT3581EDE#TRPBF | SWITCHING REGULATOR, PDSO14 |
| LT3581EMSE#PBF | SWITCHING REGULATOR, PDSO16 |
| LT3581EMSE#TRPBF | SWITCHING REGULATOR, PDSO16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3573EMSETRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Isolated Flyback Converter without an Opto-Coupler |
| LT3573EMSE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Isolated Flyback Converter Without an Opto-Coupler |
| LT3573IMSE#PBF | 功能描述:IC REG FLYBACK ISO ADJ 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:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT3573IMSE#PBF | 制造商:Linear Technology 功能描述:DC-DC CONVERTER FLYBACK 1MHZ MSOP-16 制造商:Linear Technology 功能描述:DC-DC CONVERTER, FLYBACK, 1MHZ, MSOP-16 |
| LT3573IMSE#TRPBF | 功能描述:IC REG FLYBACK ISO ADJ 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 |
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