參數(shù)資料
型號(hào)： LM2673S-5.0
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit
中文描述： 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PSSO7
封裝： TO-263, 7 PIN
文件頁(yè)數(shù)： 3/26頁(yè)
文件大?。?/td> 451K
代理商： LM2673S-5.0
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 1)
Input Supply Voltage
Softstart Pin Voltage
Switch Voltage to Ground
Boost Pin Voltage
Feedback Pin Voltage
Power Dissipation
ESD (Note 2)
45V
0.1V to 6V
1V to V
IN
V
SW
+ 8V
0.3V to 14V
Internally Limited
2 kV
Storage Temperature Range
Soldering Temperature
Wave
Infrared
Vapor Phase
65C to 150C
4 sec, 260C
10 sec, 240C
75 sec, 219C
Operating Ratings
Supply Voltage
Junction Temperature Range (T
J
)
8V to 40V
40C to 125C
Electrical Characteristics
range of operation, 40C to 125C. Specifications appearing in normal type apply for T
A
= T
J
= 25C. R
ADJ
= 8.2K
LM2673-3.3
Limits appearing in
bold type face
apply over the entire junction temperature
Symbol
Parameter
Conditions
Typical
(Note 3)
3.3
86
Min
Max
(Note 4)
3.366/
3.399
Units
(Note 4)
3.234/
3.201
V
OUT
η
Output Voltage
Efficiency
V
IN
= 8V to 40V, 100mA
≤
I
OUT
≤
3A
V
IN
= 12V, I
LOAD
= 3A
V
%
LM2673-5.0
Symbol
Parameter
Conditions
Typical
(Note 3)
5.0
88
Min
Max
(Note 4)
5.100/
5.150
Units
(Note 4)
4.900/
4.850
V
OUT
η
Output Voltage
Efficiency
V
IN
= 8V to 40V, 100mA
≤
I
OUT
≤
3A
V
IN
= 12V, I
LOAD
= 3A
V
%
LM2673-12
Symbol
Parameter
Conditions
Typical
(Note 3)
12
94
Min
Max
(Note 4)
12.24/
12.36
Units
(Note 4)
11.76/
11.64
V
OUT
η
Output Voltage
Efficiency
V
IN
= 15V to 40V, 100mA
≤
I
OUT
≤
3A
V
IN
= 24V, I
LOAD
= 3A
V
%
LM2673-ADJ
Symbol
Parameter
Conditions
Typ
Min
Max
(Note 4)
Units
(Note 3)
(Note 4)
V
FB
Feedback
Voltage
Efficiency
V
IN
= 8V to 40V, 100mA
≤
I
OUT
≤
3A
V
OUT
Programmed for 5V
V
IN
= 12V, I
LOAD
= 3A
1.21
1.186/
1.174
1.234/
1.246
V
η
88
%
L
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相關(guān)PDF資料
PDF描述
LM2673S-ADJ SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit
LM2673SD-12 SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit
LM2673SD-3.3 Miniature Switch, High Precision
LM2673SD-ADJ Miniature Switch, High Precision
LM2673SD-5.0 SIMPLE SWITCHER 3A Step-Down Voltage Regulator with Adjustable Current Limit
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2673S50 制造商:Texas Instruments 功能描述:SWITCHING REG 3A 5.0V SMD 2673
LM2673SADJ 制造商:Texas Instruments 功能描述:
LM2673S-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
LM2673S-ADJ 制造商:Texas Instruments 功能描述:IC SWITCHING REG 3A ADJ SMD 2673
LM2673S-ADJ/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3A STEP-DOWN VLTG REG 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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