参数资料
型号: LA5744MP-DL-E
厂商: ON Semiconductor
文件页数: 1/5页
文件大小: 0K
描述: IC REG BUCK ADJ SMP5
标准包装: 1,000
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
频率 - 开关: 300kHz
同步整流器:
工作温度: -30°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-252-6,DPak(5 引线 + 接片)
包装: 带卷 (TR)
供应商设备封装: SMP5
Ordering number : ENA0587A
LA5744MP
Monolithic Linear IC
Separately-Excited Step-Down
Switching Regulator
(Variable Type)
Overview
The LA5744MP 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
Pd max
Topr
Tstg
Mounted on a circuit board.*
3.9
-30 to +125
-40 to +150
W
° 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
31407 MS PC / 11707 MS PC 20060929-S00007 No.A0587-1/5
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