參數(shù)資料
型號(hào): LM2596
廠商: National Semiconductor, Corp.
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator
中文描述: SIMPLE SWITCHER系列電源轉(zhuǎn)換器,150KHz,3A降壓穩(wěn)壓器
文件頁(yè)數(shù): 3/31頁(yè)
文件大?。?/td> 736K
代理商: LM2596
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
ON /OFF Pin Input Voltage
Feedback Pin Voltage
Output Voltage to Ground
(Steady State)
Power Dissipation
Storage Temperature Range
ESD Susceptibility
45V
0.3
V
+25V
0.3
V
+25V
1V
Internally limited
65C to +150C
Human Body Model (Note 2)
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 40V
LM2596-3.3
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
LM2596-3.3
Units
(Limits)
Typ
(Note 3)
Limit
(Note 4)
SYSTEM PARAMETERS
(Note 5) Test Circuit Figure 1
V
OUT
Output Voltage
4.75V
V
IN
40V, 0.2A
I
LOAD
3A
3.3
V
3.168/
3.135
3.432/
3.465
V(min)
V(max)
%
η
Efficiency
V
IN
= 12V, I
LOAD
= 3A
73
LM2596-5.0
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
LM2596-5.0
Units
(Limits)
Typ
(Note 3)
Limit
(Note 4)
SYSTEM PARAMETERS
(Note 5) Test Circuit Figure 1
V
OUT
Output Voltage
7V
V
IN
40V, 0.2A
I
LOAD
3A
5.0
V
4.800/
4.750
5.200/
5.250
V(min)
V(max)
%
η
Efficiency
V
IN
= 12V, I
LOAD
= 3A
80
LM2596-12
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
LM2596-12
Units
(Limits)
Typ
(Note 3)
Limit
(Note 4)
SYSTEM PARAMETERS
(Note 5) Test Circuit Figure 1
V
OUT
Output Voltage
15V
V
IN
40V, 0.2A
I
LOAD
3A
12.0
V
11.52/
11.40
12.48/
12.60
V(min)
V(max)
%
η
Efficiency
V
IN
= 25V, I
LOAD
= 3A
90
L
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相關(guān)PDF資料
PDF描述
LM2596S-5.0 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2596S-12 CA-BAYONET
LM2596S-3.3 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2596S-ADJ SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2598T-12 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
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LM2596S 制造商:Texas Instruments 功能描述: