參數(shù)資料
型號(hào)： LM2576T-12/LB03
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5
封裝： GREEN, TO-220, 5 PIN
文件頁數(shù)： 19/24頁
文件大?。?/td> 750K
代理商： LM2576T-12/LB03
LM2576-5.0, LM2576HV-5.0
Electrical Characteristics (Continued)
Specifications with standard type face are for T
J = 25C, and those with Figure 2 boldface type apply over full Operating Tem-
perature Range.
Symbol
Parameter
Conditions
LM2576-5.0
Units
(Limits)
LM2576HV-5.0
Typ
Limit
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
η
Efficiency
V
IN = 12V, ILOAD =3A
77
%
LM2576-12, LM2576HV-12
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Temperature
Range.
Symbol
Parameter
Conditions
LM2576-12
Units
(Limits)
LM2576HV-12
Typ
Limit
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
OUT
Output Voltage
V
IN = 25V, ILOAD = 0.5A
12
V
Circuit of Figure 2
11.76
V(Min)
12.24
V(Max)
V
OUT
Output Voltage
0.5A
≤ I
LOAD
≤ 3A,
12
V
LM2576
15V
≤ V
IN
≤ 40V
11.52/11.40
V(Min)
Circuit of Figure 2
12.48/12.60
V(Max)
V
OUT
Output Voltage
0.5A
≤ I
LOAD
≤ 3A,
12
V
LM2576HV
15V
≤ V
IN
≤ 60V
11.52/11.40
V(Min)
Circuit of Figure 2
12.54/12.66
V(Max)
η
Efficiency
V
IN = 15V, ILOAD =3A
88
%
LM2576-15, LM2576HV-15
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Temperature
Range.
Symbol
Parameter
Conditions
LM2576-15
Units
(Limits)
LM2576HV-15
Typ
Limit
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
OUT
Output Voltage
V
IN = 25V, ILOAD = 0.5A
15
V
Circuit of Figure 2
14.70
V(Min)
15.30
V(Max)
V
OUT
Output Voltage
0.5A
≤ I
LOAD
≤ 3A,
15
V
LM2576
18V
≤ V
IN
≤ 40V
14.40/14.25
V(Min)
Circuit of Figure 2
15.60/15.75
V(Max)
V
OUT
Output Voltage
0.5A
≤ I
LOAD
≤ 3A,
15
V
LM2576HV
18V
≤ V
IN
≤ 60V
14.40/14.25
V(Min)
Circuit of Figure 2
15.68/15.83
V(Max)
η
Efficiency
V
IN = 18V, ILOAD =3A
88
%
LM2576/LM2576HV
www.national.com
4
相關(guān)PDF資料
PDF描述
LM2576HVT-ADJFLOWLB03/NOPB 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, ZFM5
LM2576SX-12/NOPB 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2576SX-15/NOPB 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LM2576HVT-15FLOWLB03 3.5 A SWITCHING REGULATOR, 52 kHz SWITCHING FREQ-MAX, PSFM5
LM2576T-3.3FLOWLB03 3.5 A SWITCHING REGULATOR, 52 kHz SWITCHING FREQ-MAX, PSFM5
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2576T-12P 制造商:National Semiconductor Corporation 功能描述:2576T-12 制造商:Texas Instruments 功能描述:2576T-12
LM2576T-12-V 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Voltage-Mode SMPS Controller
LM2576T-15 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2576T15 制造商:Texas Instruments 功能描述:SWITCHING REG 3A 15V 2576 TO2205
LM2576T-15/LB03 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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