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参数资料
| 型号： | LA5744 |
| 元件分类： | 稳压器 |
| 英文描述： | 3 A SWITCHING REGULATOR, 360 kHz SWITCHING FREQ-MAX, ZFM5 |
| 封装： | TO-220, 5 PIN |
| 文件页数： | 5/5页 |
| 文件大小： | 75K |
| 代理商： | LA5744 |
2SK3499
2010-04-13
5
rth tw
Safe operating area
EAS – Tch
Drain-source voltage VDS (V)
Pulse width tw (s)
Channel temperature (initial) Tch (°C)
Normali
zed
tr
ansie
nt
thermal
impeda
nc
e
r th
(
t)
/R
th
(
ch-
c)
A
valan
che
ene
rgy
E
AS
(mJ)
Drain
curren
t
I D
(A)
0.03
1
0.3
3
30
100
10
100
1000
ID max (continuous)
ID max (pulsed) *
DC operation
Tc
= 25°C
1 ms *
VDSS max
10
0.05
1
100
μs *
*: Single nonrepetitive pulse
Tc
= 25°C
Curves must be derated
linearly with increase in
temperature.
0.01
0.1
0.5
50
0
25
100
200
300
500
400
50
75
100
125
150
0.003
10
μ
100
μ
1 m
10 m
100 m
1
10
0.01
0.1
0.03
0.3
1
3
0.01
0.02
0.05
0.1
0.2
Duty
= 0.5
Single Pulse
T
PDM
t
Duty
= t/T
Rth (ch-c) = 1.56°C/W
RG = 25 Ω
VDD = 90 V, L = 5.85 mH
=
VDD
BVDSS
2
I
L
2
1
ΕAS
Test circuit
Waveform
IAR
BVDSS
VDD
VDS
15 V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LA5744-HK-E | 功能描述:直流/直流开关调节器 PWR 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 | 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) |
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