参数资料
| 型号： | LA5774-E |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/5页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ TO220-5H |
| 标准包装： | 50 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 1.26V |
| 输入电压： | 4.5 V ~ 28 V |
| 频率 - 开关： | 160kHz |
| 同步整流器： | 无 |
| 工作温度： | -30°C ~ 125°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 包装： | * |
| 供应商设备封装： | * |
Ordering number : ENA0742
LA5774
Monolithic Linear IC
Separately-excited Step-down
http://onsemi.com
Switching Regulator
(Variable Type)
Overview
The LA5774 is a Separately-excited step-down switching regulator (variable type).
Functions
? Low-ESR capacitor with increased reliability applicable as the output smoothing capacitor.
? High efficiency.
? Four external parts.
? Time-base generator (160kHz) incorporated.
? Current limiter incorporated.
? Thermal shutdown circuit incorporated.
? Soft start circuit incorporated.
Specifications
Absolute Maximum Ratings at Ta = 25 ? C
Parameter
Maximum Input voltage
Maximum Output current
SW pin application reverse voltage
Symbol
VIN max
IO max
VSW
Conditions
Ratings
30
3
-1
Unit
V
A
V
Allowable power dissipation
Operating temperature
Storage temperature
Pd max1
Pd max2
Topr
Tstg
No heat sink
Infinite heat sink
1.75
7.5
-30 to +125
-40 to +150
W
W
? C
? C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Recommended Operating Conditions at Ta = 25 ? C
Parameter
Input voltage range
Symbol
VIN
Conditions
Ratings
4.5 to 28
Unit
V
Semiconductor Components Industries, LLC, 2013
August, 2013
31407 MS PC B8-9090 No.A0742-1/5
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PDF描述 |
|---|---|
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LA5774-FA-E | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| LA5774MC-BE | 制造商:ON Semiconductor 功能描述:SWITCHING POWER SUPPLY - Tape and Reel 制造商:ON Semiconductor 功能描述:REEL / SWITCHING POWER SUPPLY |
| LA5774MC-E | 制造商:ON Semiconductor 功能描述:SWITCHING POWER SUPPLY - Ammo Pack 制造商:ON Semiconductor 功能描述:FNFLD / SWITCHING POWER SUPPLY |
| LA5774MP | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Monolithic Linear IC Separately-excited Step-down Switching Regulator (Variable Type) |
| LA5774MP-DL-E | 功能描述:直流/直流开关调节器 SWITCHING REGULATOR RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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