參數(shù)資料
型號(hào)： L4981BD
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： 2 A POWER FACTOR CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO20
封裝： SO-20
文件頁(yè)數(shù)： 13/16頁(yè)
文件大?。?/td> 2620K
代理商： L4981BD
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Prameter
Test Condition
Min.
Typ.
Max.
Unit
MULTIPLIER SECTION
Multipler Output Current
VVA-OUT = 4V, VRMS = 2V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 50
A, COSC = 0V
20
35
52
A
VVA-OUT = 4V, VRMS = 2V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 200
A, COSC = 0V
100
135
170
A
VVA-OUT = 2V, VRMS = 2V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 100
A, COSC = 0V
10
20
30
A
VVA-OUT = 2V, VRMS = 4V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 100
A, COSC = 0V
25.5
11
A
VVA-OUT = 4V, VRMS = 4V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 100
A, COSC = 0V
10
22
34
A
VVA-OUT = 4V, VRMS = 2V,
VMULTOUT = 0, VLFF = 2.5V
COSC = 0V, IAC = 200
A
20
37
54
A
VVA-OUT = 4V, VRMS = 4V
VMULTOUT = 0, VLFF = 5.1V
IAC = 200
A, COSC = 0V
20
39
54
A
VVA-OUT = 2V, VRMS = 4V,
VMULTOUT = 0, VLFF = 5.1V
IAC = 0, COSC = 0V
-2
0
2
A
K
Multiplier Gain
0.37
IMULTOUT = K IAC
(VVAOUT 1.28) (0.8 VLFF 1.28)
(VVRMS)2
if VLFF = VREF;
IMULTOUT = IAC
(VVAOUT 1.28)
(VVRMS)
2
K1
where: K1 = 1V
Figure 1: MULTI-OUT vs. IAC (VRMS = 1.7V;
VLFFD = 5.1V)
Figure 2: MULTI-OUT vs. IAC (VRMS = 2.2V;
VLFFD = 5.1V)
L4981A - L4981B
6/16
相關(guān)PDF資料
PDF描述
L4981B 2 A POWER FACTOR CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDIP20
L4981AD013TR 2 A POWER FACTOR CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO20
L5200-45-AH6-R SWITCHED CAPACITOR REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO6
L5200-50-AG6-R SWITCHED CAPACITOR REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO6
L5200-50-AH6-R SWITCHED CAPACITOR REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO6
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L4981BD 制造商:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR SMD 4981
L4981BD013TR 功能描述:功率因數(shù)校正 IC Very High Power RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
L4981DIE1 制造商:STMicroelectronics 功能描述:
L4981X 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR
L4981XD 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR
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