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参数资料
| 型号： | LT3575EFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC REG FLYBACK ISO ADJ 16TSSOP |
| 标准包装： | 95 |
| 类型： | 回扫，隔离 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 60V |
| 输入电压： | 3 V ~ 40 V |
| PWM 型： | 电流模式，混合 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 2.5A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-TSSOP-EP |
| 配用： | 732-3306-ND - BOARD EVAL FOR LT3575 |
| 相关产品： | 732-2669-2-ND - TRANS FLYBACK LT3748 20UH SMD 732-2669-6-ND - TRANS FLYBACK LT3748 20UH SMD 732-2668-6-ND - TRANS FLYBACK LT3748 14UH SMD 732-2667-6-ND - TRANS FLYBACK LT3748 500UH SMD 732-2666-6-ND - TRANS FLYBACK LT3748 12UH SMD 732-2665-6-ND - TRANS FLYBACK LT3748 12UH SMD 732-2664-6-ND - TRANS FLYBACK LT3748 15UH SMD 732-2663-6-ND - TRANS FLYBACK LT3748 15UH SMD 732-2662-6-ND - TRANS FLYBACK LT3748 8UH SMD 732-2661-6-ND - TRANS FLYBACK LT3748 8UH SMD 更多... |
LT3575
Isolated Flyback Converter
without an Opto-Coupler
FEATURES
DESCRIPTION
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3V to 40V Input Voltage Range
2.5A, 60V Integrated NPN Power Switch
Boundary Mode Operation
No Transformer Third Winding or
Optoisolator Required for Regulation
Improved Primary-Side Winding Feedback
Load Regulation
V OUT Set with Two External Resistors
BIAS Pin for Internal Bias Supply and Power
NPN Driver
Programmable Soft-Start
Programmable Power Switch Current Limit
Thermally Enhanced 16-Lead TSSOP
The LT ? 3575 is a monolithic switching regulator speci?c-
ally designed for the isolated ?yback topology. No third
winding or optoisolator is required for regulation. The
part senses the isolated output voltage directly from the
primary side ?yback waveform. A 2.5A, 60V NPN power
switch is integrated along with all control logic into a
16-lead TSSOP package.
The LT3575 operates with input supply voltages from
3V to 40V, and can deliver output power up to 14W with
no external power switch.The LT3575 utilizes boundary
mode operation to provide a small magnetic solution with
improved load regulation.
The output voltage is easily set with two external resistors
APPLICATIONS
and the transformer turns ratio. Off the shelf transformers
are available for many applications.
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Industrial, Automotive and Medical Isolated
Power Supplies
L , LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks
and No RSENSE and ThinSOT is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
TYPICAL APPLICATION
5V Isolated Flyback Converter
V IN
12V TO 24V
1
Load Regulation
V OUT
10 μF
357k
V IN
0.22 μ F
1k
3:1
+
5V, 1.4A
V IN = 24V
SHDN /UVLO
24 μ H
2.6 μ H
47 μ F
51.1k
80.6k
V OUT–
0
V IN = 12V
LT3575
R FB
R REF
TC
R ILIM
SS
SW
6.04k
–1
VC
GND
TEST BIAS
–2
28.7k
10k
10nF
11.5k
4.7nF
4.7 μ F
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
I OUT (A)
3575 TA01b
3575 TA01
3575f
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3575IFE#PBF | 功能描述:IC REG FLYBACK ISO ADJ 16TSSOP 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 |
| LT3575IFE#TRPBF | 功能描述:IC REG FLYBACK ISO ADJ 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 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:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LT3579 | 制造商:LINER 制造商全称:Linear Technology 功能描述:6A Boost/Inverting DC/DC Converter with Fault Protection |
| LT3579-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:6A Boost/Inverting DC/DC Converter with Fault Protection |
| LT3579EFE#PBF | 功能描述:IC REG MULTI CONFIG SYNC 20TSSOP 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 |
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