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參數(shù)資料
| 型號： | LA5744 |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3 A SWITCHING REGULATOR, 360 kHz SWITCHING FREQ-MAX, ZFM5 |
| 封裝： | TO-220, 5 PIN |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 75K |
| 代理商： | LA5744 |
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
52307 MS PC 20070522-S00004 / 42507 MS PC / 31407 MS PC / 30707 MS PC 20070215-S00001 No.A0717-1/5
LA5744
Overview
The LA5744 is a separately-excited step-down switching regulator (variable type).
Functions
High efficiency.
Time-base generator (300kHz) incorporated.
Current limiter incorporated.
Thermal shutdown circuit incorporated.
Soft start circuit incorporated.
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Input voltage
VIN
30
V
Maximum output current
IO max
3A
SW pin application reverse voltage
VSW
-1
V
Pd max1
No heat sink
1.75
W
Allowable power dissipation
Pd max2
Infinite heat sink
7.5
W
Operating temperature
Topr
-30 to +125
°C
Storage temperature
Tstg
-40 to +150
°C
Junction temperature
Tj max
150
°C
* Specified circuit board : 76.1
×114.3×1.6mm3 : Copper foil ratio 60% FR4
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Input voltage range
VIN
4.5 to 28
V
Monolithic Linear IC
Separately-Excited Step-Down
Switching Regulator
(Variable Type)
Ordering number : ENA0717C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA5744-HK-E | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 PWR SWITCHING REGULATOR RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| LA5744MP | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC Separately-Excited Step-Down Switching Regulator (Variable Type) |
| LA5744MP-DL-E | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 SWITCHING REGULATOR RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| LA5744MP-E | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| LA5744TP | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC Separately-Excited Step-Down Switching Regulator (Variable Type) |
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