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| 型号： | 750105 |
| 厂商： | Wurth Electronics Inc |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR LT3574 |
| 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： | 2.5W |
| 输出电压： | 5V |
| 电流 - 输出： | 500mA（最小值） |
| 输入电压： | 10 ~ 30 V |
| 稳压器拓扑结构： | 回扫 |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | LT3574 |
| 其它名称： | 732-3309 |
LT3574
Isolated Flyback Converter
Without an Opto-Coupler
3V to 40V Input Voltage Range
0.65A, 60V Integrated NPN Power Switch
Boundary Mode Operation
No Transformer Third Winding or
Improved Primary-Side Winding Feedback
V OUT Set with Two External Resistors
BIAS Pin for Internal Bias Supply and Power
Programmable Soft-Start
Programmable Power Switch Current Limit
16-Lead MSOP Package
Industrial, Automotive and Medical Isolated
FEATURES
n
n
n
n
Opto-Isolator Required for Regulation
n
Load Regulation
n
n
NPN Driver
n
n
n
APPLICATIONS
n
Power Supplies
TYPICAL APPLICATION
5V Isolated Flyback Converter
DESCRIPTION
The LT ? 3574 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 0.65A, 60V NPN power
switch is integrated along with all control logic into a
16-lead MSOP package.
The LT3574 operates with input supply voltages from
3V to 40V, and can deliver output power up to 3W with
no external power switch. The LT3574 utilizes boundary
mode operation to provide a small magnetic solution with
improved load regulation.
The output voltage is easily set with two external resistors
and the transformer turns ratio. Off-the-shelf transformers
are available for many applications.
L , LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks
and No R SENSE and ThinSOT are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
V IN
12V TO 24V
10 μ F
357k
51.1k
V IN
SHDN /UVLO
LT3574
R FB
R REF
0.22 μ F
PMEG6010
80.6k
2k
50 μ H
?
3:1
?
B340A
5.6 μ H
V OUT+
5V
0.35A
22 μ F
V OUT–
1.0
0.5
0
Load Regulation
V IN = 24V
V IN = 12V
TC
6.04k
R ILIM
SS
SW
–0.5
VC
GND
TEST BIAS
28.7k
10k
59k
–1.0
0
100
200
300 400
500
600
700
10nF
1nF
3574 TA01
4.7 μ F
I OUT (mA)
3574 TA01b
3574f
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 75010531 | 制造商:PHILIPS 功能描述:STARTER FLUORESCENT TUBE 70-125W 制造商:Philco/Philips 功能描述:STARTER, FLUORESCENT TUBE, 70-125W 制造商:NXP Semiconductors 功能描述:STARTER, FLUORESCENT TUBE, 70-125W; Accessory Type:Starter; For Use With:Fluorescent; SVHC:No SVHC (18-Jun-2012); Power Rating:125W; Supply Voltage:240V ;RoHS Compliant: Yes |
| 750-105-R220/270 | 制造商:CTS Corporation 功能描述: |
| 750-105-R220/330 | 制造商: 功能描述: 制造商:undefined 功能描述: 制造商:CTS Corporation 功能描述:S10-R220/330 |
| 750106 | 功能描述:BOARD EVAL FOR LT3575 RoHS:是 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:- 标准包装:1 系列:- 主要目的:DC/DC，步降 输出及类型:1，非隔离 功率 - 输出:- 输出电压:3.3V 电流 - 输出:3A 输入电压:4.5 V ~ 28 V 稳压器拓扑结构:降压 频率 - 开关:250kHz 板类型:完全填充 已供物品:板 已用 IC / 零件:L7981 其它名称:497-12113STEVAL-ISA094V1-ND |
| 750-106 | 制造商:GLENAIR 制造商全称:Glenair, Inc. 功能描述:Pre-Terminated Assemblies |
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