參數(shù)資料
型號(hào)： LM2590HVT-5.0
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
中文描述： 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PZFM7
封裝： TO-220, 7 PIN
文件頁(yè)數(shù)： 2/20頁(yè)
文件大小： 752K
代理商： LM2590HVT-5.0
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 1)
Maximum Supply Voltage (V
IN
)
SD /SS Pin Input Voltage (Note 2)
Delay Pin Voltage (Note 2)
Flag Pin Voltage
Feedback Pin Voltage
Output Voltage to Ground
(Steady State)
Power Dissipation
Storage Temperature Range
63V
6V
1.5V
0.3
≤
V
≤
45V
0.3
≤
V
≤
+25V
1V
Internally limited
65C to +150C
ESD Susceptibility
Human Body Model (Note 3)
Lead Temperature
S Package
Vapor Phase (60 sec.)
Infrared (10 sec.)
T Package (Soldering, 10 sec.)
Maximum Junction Temperature
2 kV
+215C
+245C
+260C
+150C
Operating Conditions
Temperature Range
Supply Voltage
40C
≤
T
J
≤
+125C
4.5V to 60V
LM2590HV-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
LM2590HV-3.3
Units
(Limits)
Typ
Limit
(Note 5)
(Note 4)
SYSTEM PARAMETERS
(Note 6) Test Circuit Figure 1
V
OUT
Output Voltage
4.75V
≤
V
IN
≤
60V, 0.2A
≤
I
LOAD
≤
1A
3.3
V
3.168/
3.135
3.432/
3.465
V(min)
V(max)
η
Efficiency
V
IN
= 12V, I
LOAD
= 1A
77
LM2590HV-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
LM2590HV-5.0
Units
(Limits)
Typ
Limit
(Note 5)
(Note 4)
SYSTEM PARAMETERS
(Note 6) Test Circuit Figure 1
V
OUT
Output Voltage
7V
≤
V
IN
≤
60V, 0.2A
≤
I
LOAD
≤
1A
5
V
4.800/
4.750
5.200/
5.250
V(min)
V(max)
%
η
Efficiency
V
IN
= 12V, I
LOAD
= 1A
82
LM2590HV-ADJ
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
LM2590HV-ADJ
Typ
(Note 4)
Units
(Limits)
Limit
(Note 5)
SYSTEM PARAMETERS
(Note 6) Test Circuit Figure 1
V
FB
Feedback Voltage
4.5V
≤
V
IN
≤
60V, 0.2A
≤
I
LOAD
≤
1A
V
OUT
programmed for 3V. Circuit of Figure 1
1.230
V
1.193/
1.180
1.267/
1.280
V(min)
V(max)
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2590HVT-ADJ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2590HVT-ADJ 制造商:Texas Instruments 功能描述:SWITCHING REG 1A ADJ 2590 TO2207
LM2590HVT-ADJ/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2591HVS-3.3 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2591HVS-3.3/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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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