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參數(shù)資料
| 型號(hào)： | LM2674LD-12 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator |
| 中文描述： | 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, DSO16 |
| 封裝： | LLP-16 |
| 文件頁(yè)數(shù)： | 3/26頁(yè) |
| 文件大?。?/td> | 947K |
| 代理商： | LM2674LD-12 |
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Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
ON/OFF Pin Voltage
Switch Voltage to Ground
Boost Pin Voltage
Feedback Pin Voltage
ESD Susceptibility
Human Body Model (Note 2)
Power Dissipation
45V
0.1V
≤
V
SH
≤
6V
1V
V
SW
+ 8V
0.3V
≤
V
FB
≤
14V
2 kV
Internally Limited
Storage Temperature Range
Lead Temperature
M Package
Vapor Phase (60s)
Infrared (15s)
N Package (Soldering, 10s)
LLP Package (See AN-1187)
Maximum Junction Temperature
65C to +150C
+215C
+220C
+260C
+150C
Operating Ratings
Supply Voltage
6.5V to 40V
Junction Temperature Range
40C
≤
T
J
≤
+125C
Electrical Characteristics
LM2674-3.3
Specifications with standard type face are for T
J
= 25C, and those with
bold type face
apply over
full
Operating Temperature Range.
Symbol
Parameter
Conditions
Typical
(Note 4)
Min
Max
(Note 5)
Units
(Note 5)
SYSTEM PARAMETERS
Test Circuit
(Note 3)
V
OUT
Output Voltage
V
OUT
Output Voltage
η
Efficiency
V
IN
= 8V to 40V, I
LOAD
= 20 mA to 500 mA
V
IN
= 6.5V to 40V, I
LOAD
= 20 mA to 250 mA
V
IN
= 12V, I
LOAD
= 500 mA
3.3
3.3
86
3.251/
3.201
3.251/
3.201
3.350/
3.399
3.350/
3.399
V
V
%
LM2674-5.0
Symbol
Parameter
Conditions
Typical
(Note 4)
Min
Max
(Note 5)
Units
(Note 5)
SYSTEM PARAMETERS
Test Circuit
Figure 2
(Note 3)
V
OUT
Output Voltage
V
OUT
Output Voltage
η
Efficiency
V
IN
= 8V to 40V, I
LOAD
= 20 mA to 500 mA
V
IN
= 6.5V to 40V, I
LOAD
= 20 mA to 250 mA
V
IN
= 12V, I
LOAD
= 500 mA
5.0
5.0
90
4.925/
4.850
4.925/
4.850
5.075/
5.150
5.075/
5.150
V
V
%
LM2674-12
Symbol
Parameter
Conditions
Typical
(Note 4)
Min
Max
(Note 5)
Units
(Note 5)
SYSTEM PARAMETERS
Test Circuit
Figure 2
(Note 3)
V
OUT
Output Voltage
η
Efficiency
V
IN
= 15V to 40V, I
LOAD
= 20 mA to 500 mA
V
IN
= 24V, I
LOAD
= 500 mA
12
94
11.82/
11.64
12.18/
12.36
V
%
LM2674-ADJ
Symbol
Parameter
Conditions
Typ
Min
Max
(Note 5)
Units
(Note 4)
(Note 5)
SYSTEM PARAMETERS
Test Circuit
Figure 3
(Note 3)
V
FB
Feedback
Voltage
V
IN
= 8V to 40V, I
LOAD
= 20 mA to 500 mA
V
OUT
Programmed for 5V
(see Circuit of
Figure 3
)
V
IN
= 6.5V to 40V, I
LOAD
= 20 mA to 250 mA
V
OUT
Programmed for 5V
(see Circuit of
Figure 3
)
1.210
1.192/
1.174
1.228/
1.246
V
V
FB
Feedback
Voltage
1.210
1.192/
1.174
1.228/
1.246
V
L
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM2674LD-3.3 | SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator |
| LM2674LD-5.0 | SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator |
| LM2674LD-ADJ | SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator |
| LM2674M-12 | SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator |
| LM2674MX-12 | SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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(guān)穩(wěn)壓器 系列:SIMPLE SWITCHER® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關(guān):- 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(yīng)商設(shè)備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR |
| LM2674LD-3.3 | 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 |
| LM2674LD-3.3/NOPB | 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 |
| LM2674LD-5.0 | 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-5.0/NOPB | 功能描述:IC REG BUCK 5V 0.5A 16-LLP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:SIMPLE SWITCHER® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關(guān):- 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(yīng)商設(shè)備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR |
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