參數(shù)資料
型號: LM2598T-3.3
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 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: 2.6 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSFM7
封裝: BENT STAGGERED, TO-220, 7 PIN
文件頁數(shù): 3/33頁
文件大?。?/td> 847K
代理商: LM2598T-3.3
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
)
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
45V
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
25C
T
J
+125C
4.5V to 40V
LM2598-3.3
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
LM2598-3.3
Units
(Limits)
Typ
Limit
(Note 5)
(Note 4)
SYSTEM PARAMETERS
(Note 6) Test Circuit Figure 1
V
OUT
Output Voltage
4.75V
V
IN
40V, 0.1A
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
78
LM2598-5.0
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
LM2598-5.0
Units
(Limits)
Typ
Limit
(Note 5)
(Note 4)
SYSTEM PARAMETERS
(Note 6) Test Circuit Figure 1
V
OUT
Output Voltage
7V
V
IN
40V, 0.1A
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
LM2598-12
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
LM2598-12
Units
(Limits)
Typ
Limit
(Note 5)
(Note 4)
SYSTEM PARAMETERS
(Note 6) Test Circuit Figure 1
V
OUT
Output Voltage
15V
V
IN
40V, 0.1A
I
LOAD
1A
12
V
11.52/
11.40
12.48/
12.60
V(min)
V(max)
%
η
Efficiency
V
IN
= 25V, I
LOAD
= 1A
90
L
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LM2598T-5.0 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
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LM2598 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
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LM2598T-5.0 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
LM2598T-5.0/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
LM2598T-ADJ 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
LM2598T-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
LM2599S-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