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參數資料
| 型號： | LM2596T-12 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator |
| 中文描述： | 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封裝： | BENT STAGGERED, TO-220, 5 PIN |
| 文件頁數： | 3/31頁 |
| 文件大小： | 736K |
| 代理商： | LM2596T-12 |
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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
www.national.com
3
相關PDF資料 |
PDF描述 |
|---|---|
| LM2596T-3.3 | SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator |
| LM2596T-5.0 | SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator |
| LM2596T-ADJ | SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator |
| LM2596 | SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator |
| LM2596S-5.0 | SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM2596T12 | 制造商:Texas Instruments 功能描述:SWITCHING REG 3A 12V 2596 TO2205 |
| LM2596T-12/LB03 | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Inv/Step Down 4.5V to 40V 5-Pin(5+Tab) TO-220 Rail |
| LM2596T-12/LB05 | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Inv/Step Down 4.5V to 40V 5-Pin(5+Tab) TO-220 Rail |
| LM2596T-12/LF02 | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| LM2596T-12/LF03 | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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