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參數(shù)資料
| 型號(hào)： | LM2597HVM-ADJ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator, with Features |
| 中文描述： | 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 2/34頁 |
| 文件大?。?/td> | 900K |
| 代理商： | LM2597HVM-ADJ |
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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 (V
IN
)
LM2597
LM2597HV
SD /SS Pin Input Voltage (Note 2)
Delay Pin Voltage (Note 2)
Flag Pin Voltage
Bias Supply Voltage (V
BS
Feedback Pin Voltage
Output Voltage to Ground
(Steady State)
Power Dissipation
Storage Temperature Range
45V
60V
6V
1.5V
0.3
≤
V
≤
45V
0.3
≤
V
≤
30V
0.3
≤
V
≤
+25V
1V
Internally limited
65C to +150C
ESD Susceptibility
Human Body Model (Note 3)
Lead Temperature
M8 Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
N Package (Soldering, 10 sec.)
Maximum Junction Temperature
2 kV
+215C
+220C
+260C
+150C
Operating Conditions
Temperature Range
Supply Voltage
40C
≤
T
J
+125C
LM2597
LM2597HV
4.5V to 40V
4.5V to 60V
LM2597/LM2597HV-3.3
Electrical Characteristics
Specifications with standard type face are for T
= 25C, and those with
boldface type
apply over
full Operating Tempera-
ture Range.
V
INmax
=40V for the LM2597 and 60V for the LM2597HV
Symbol
Parameter
Conditions
LM2597/LM2597HV-3.3
Typ
(Note 4)
Units
(Limits)
Limit
(Note 5)
SYSTEM PARAMETERS
(Note 6) Test Circuit Figure 12
V
OUT
Output Voltage
4.75V
≤
V
IN
≤
V
INmax
, 0.1A
≤
I
LOAD
≤
0.5A
3.3
V
3.168/
3.135
3.432/
3.465
V(min)
V(max)
%
η
Efficiency
V
IN
= 12V, I
LOAD
= 0.5A
80
LM2597/LM2597HV-5.0
Electrical Characteristics
Specifications with standard type face are for T
= 25C, and those with
boldface type
apply over
full Operating Tempera-
ture Range.
V
INmax
=40V for the LM2597 and 60V for the LM2597HV
Symbol
Parameter
Conditions
LM2597/LM2597HV-5.0
Typ
(Note 4)
Units
(Limits)
Limit
(Note 5)
SYSTEM PARAMETERS
(Note 6) Test Circuit Figure 12
V
OUT
Output Voltage
7V
≤
V
IN
≤
V
INmax
, 0.1A
≤
I
LOAD
≤
0.5A
5
V
4.800/
4.750
5.200/
5.250
V(min)
V(max)
%
η
Efficiency
V
IN
= 12V, I
LOAD
= 0.5A
82
L
www.national.com
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2597HVM-ADJ | 制造商:Texas Instruments 功能描述:V REG BUCK 0.5A 150KHZ, SMD, SOIC8 制造商:Texas Instruments 功能描述:V REG BUCK 0.5A 150KHZ, SMD, SOIC8; Primary Input Voltage:60V; No. of Outputs:1; Output Voltage:37V; Output Current:500mA; Voltage Regulator Case Style:SOIC; No. of Pins:8; Operating Temperature Min:-40C; Operating Temperature ;RoHS Compliant: Yes |
| LM2597HVM-ADJ/NOPB | 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 |
| LM2597HVMX-12 | 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 |
| LM2597HVMX-12/NOPB | 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 |
| LM2597HVMX-3.3 | 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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