参数资料
型号: LA5744-HK-E
厂商: ON Semiconductor
文件页数: 1/5页
文件大小: 0K
描述: IC REG BUCK ADJ 1A TO220-5
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 1.23V
输入电压: 4.5 V ~ 28 V
PWM 型: 电压模式
频率 - 开关: 300kHz
电流 - 输出: 1A
同步整流器:
工作温度: -30°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-5 成形引线
包装: 管件
供应商设备封装: 220-5HK
Ordering number : ENA0717C
LA5744
Monolithic Linear IC
Separately-Excited Step-Down
Switching Regulator
(Variable Type)
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
http://onsemi.com
Parameter
Input voltage
Maximum output current
SW pin application reverse voltage
Symbol
VIN
IO max
VSW
Conditions
Ratings
30
3
-1
Unit
V
A
V
Allowable power dissipation
Operating temperature
Storage temperature
Junction temperature
Pd max1
Pd max2
Topr
Tstg
Tj max
No heat sink
Infinite heat sink
1.75
7.5
-30 to +125
-40 to +150
150
W
W
° C
° C
° C
* Specified circuit board :
76.1 × 114.3 × 1.6mm 3
: Copper foil ratio 60% FR4
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
52307 MS PC 20070522-S00004 / 42507 MS PC / 31407 MS PC / 30707 MS PC No.A0717-1/5
相关PDF资料
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相关代理商/技术参数
参数描述
LA5744MP 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)
LA5744MP-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
LA5744MP-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
LA5744TP 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)
LA5744TP-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