參數(shù)資料
型號(hào)： LM2575HVT-ADJFLOWLB03/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5
封裝： TO-220, 5 PIN
文件頁數(shù)： 22/26頁
文件大?。?/td> 722K
代理商： LM2575HVT-ADJFLOWLB03/NOPB
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Supply Voltage
LM1575/LM2575
45V
LM2575HV
63V
ON /OFF Pin Input Voltage
0.3V
≤ V ≤ +V
IN
Output Voltage to Ground
(Steady State)
1V
Power Dissipation
Internally Limited
Storage Temperature Range
65C to +150C
Maximum Junction Temperature
150C
Minimum ESD Rating
(C = 100 pF, R = 1.5 k
)2 kV
Lead Temperature
(Soldering, 10 sec.)
260C
Operating Ratings
Temperature Range
LM1575
55C
≤ T
J
≤ +150C
LM2575/LM2575HV
40C
≤ T
J
≤ +125C
Supply Voltage
LM1575/LM2575
40V
LM2575HV
60V
LM1575-3.3, LM2575-3.3, LM2575HV-3.3
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range .
Symbol
Parameter
Conditions
Typ
LM1575-3.3
LM2575-3.3
Units
(Limits)
LM2575HV-3.3
Limit
SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2
V
OUT
Output Voltage
V
IN = 12V, ILOAD = 0.2A
3.3
V
Circuit of Figure 2
3.267
3.234
V(Min)
3.333
3.366
V(Max)
V
OUT
Output Voltage
4.75V
≤ V
IN
≤ 40V, 0.2A ≤ I
LOAD
≤ 1A
3.3
V
LM1575/LM2575
Circuit of Figure 2
3.200/3.168
3.168/3.135
V(Min)
3.400/3.432
3.432/3.465
V(Max)
V
OUT
Output Voltage
4.75V
≤ V
IN
≤ 60V, 0.2A ≤ I
LOAD
≤ 1A
3.3
V
LM2575HV
Circuit of Figure 2
3.200/3.168
3.168/3.135
V(Min)
3.416/3.450
3.450/3.482
V(Max)
η
Efficiency
V
IN = 12V, ILOAD =1A
75
%
LM1575-5.0, LM2575-5.0, LM2575HV-5.0
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
Typ
LM1575-5.0
LM2575-5.0
Units
(Limits)
LM2575HV-5.0
Limit
SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2
V
OUT
Output Voltage
V
IN = 12V, ILOAD = 0.2A
5.0
V
Circuit of Figure 2
4.950
4.900
V(Min)
5.050
5.100
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD
≤ 1A,
5.0
V
LM1575/LM2575
8V
≤ V
IN
≤ 40V
4.850/4.800
4.800/4.750
V(Min)
Circuit of Figure 2
5.150/5.200
5.200/5.250
V(Max)
V
OUT
Output Voltage
0.2A
≤ I
LOAD
≤ 1A,
5.0
V
LM2575HV
8V
≤ V
IN
≤ 60V
4.850/4.800
4.800/4.750
V(Min)
Circuit of Figure 2
5.175/5.225
5.225/5.275
V(Max)
LM1575/LM2575/LM2575HV
www.national.com
5
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2575HVTADJNOPB 制造商:NATIONAL 功能描述:Pb Free
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