參數(shù)資料
型號(hào): L4974A
廠商: 意法半導(dǎo)體
英文描述: Power Switching Regulator(功率開關(guān)穩(wěn)壓器)
中文描述: 電源開關(guān)穩(wěn)壓器(功率開關(guān)穩(wěn)壓器)
文件頁數(shù): 2/22頁
文件大?。?/td> 378K
代理商: L4974A
PIN CONNECTION
(top view)
THERMAL DATA
Symbol
R
th j-pins
R
th j-amb
Parameter
Value
12
60
Unit
°
C/W
°
C/W
ThermalResistance Junction-Pins
ThermalResistance Junction-ambient
max
max
ABSOLUTE MAXIMUM RATINGS
Symbol
V
11
V
11
V
20
Parameter
Value
55
50
-1
-5
Unit
V
V
V
V
Input Voltage
Input Operating Voltage
Output DC Voltage
Output Peak Voltage at t = 0.1
μ
s f = 200khz
Maximum Output Current
BoostrapVoltage
BoostrapOperating Voltage
Input Voltage at Pins 4, 12
Reset Output Voltage
Reset Output Sink Current
Input Voltage at Pin 2, 7, 9, 10
Reset Delay SinkCurrent
Error Amplifier OutputSink Current
Soft StartSink Current
Total Power Dissipation at T
PINS
90
°
C
I
20
V
I
Internally Limited
65
V
11
+ 15
12
50
50
7
30
1
30
5
1.3
-40 to 150
V
V
V
V
V
4
, V
8
V
3
I
3
mA
V
mA
A
mA
W
W
°
C
V
2
, V
7
, V
9
, V
10
I
2
I
7
I
8
P
tot
at T
amb
= 70
°
C(No copperarea on PCB)
T
J
, T
stg
Junction and Storage Temperature
L4974A
2/22
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L4974A 制造商:STMicroelectronics 功能描述:IC SWITCHING REG 3.5A 4974 DIP20
L4974AE 制造商:STMicroelectronics 功能描述:
L4975 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5A SWITCHING REGULATOR
L4975A 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.1 to 40V Step-Down 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
L4975A 制造商:STMicroelectronics 功能描述:SWITCHING REG 5A 4975 MULTIWATT15