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參數資料
| 型號： | LM2673T-ADJ |
| 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, ZFM7 |
| 封裝： | TO-220, 7 PIN |
| 文件頁數： | 3/26頁 |
| 文件大?。?/td> | 451K |
| 代理商： | LM2673T-ADJ |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM2673T-ADJ | 制造商:Texas Instruments 功能描述:SWITCHING REG 3A ADJ 2673 TO2207 |
| LM2673T-ADJ/NOPB | 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 |
| LM2674 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator |
| LM2674LD-12 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator |
| LM2674LD-12/NOPB | 功能描述:IC REG BUCK 12V 0.5A 16LLP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:SIMPLE SWITCHER® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數:1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:125mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 包裝:Digi-Reel® 供應商設備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR |
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