參數(shù)資料
型號: LM2598
廠商: National Semiconductor Corporation
英文描述: SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
中文描述: SIMPLE SWITCHER系列電源轉(zhuǎn)換器150千赫1A步降穩(wěn)壓器的功能,
文件頁數(shù): 3/33頁
文件大小: 847K
代理商: LM2598
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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相關(guān)PDF資料
PDF描述
LM2598S-5.0 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
LM2598S-12 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
LM2598S-3.3 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
LM2598S-ADJ SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
LM2599S-12 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator, with Features
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