- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄358824 > LM2670 (National Semiconductor Corporation) SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync PDF資料下載
參數(shù)資料
| 型號： | LM2670 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| 中文描述： | SIMPLE SWITCHER系列高效率3A降壓穩(wěn)壓器具有同步 |
| 文件頁數(shù)： | 3/23頁 |
| 文件大?。?/td> | 361K |
| 代理商： | LM2670 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Supply Voltage
ON/OFF Pin Voltage
Switch Voltage to Ground
Boost Pin Voltage
Feedback Pin Voltage
Power Dissipation
ESD (Note 2)
Storage Temperature Range
45V
0.1V to 6V
1V to V
IN
V
SW
+ 8V
0.3V to 14V
Internally Limited
2 kV
65C to 150C
Soldering Temperature
Wave
Infrared
Vapor Phase
4 sec, 260C
10 sec, 240C
75 sec, 219C
Operating Ratings
Supply Voltage
Junction Temperature Range (T
J
)
Thermal Resistance (
θ
JA
)
Thermal Resistance (
θ
JC
)
8V to 40V
40C to 125C
30C/W
2C/W
Electrical Characteristics
range of operation, 40C to 125C. Specifications appearing in normal type apply for T
A
= T
J
= 25C. Sync pin open cir-
cuited.
LM2670-3.3
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
%
LM2670-5.0
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
%
LM2670-12
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
%
LM2670-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
%
www.national.com
3
相關PDF資料 |
PDF描述 |
|---|---|
| LM2670T-3.3 | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670T-5.0 | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670T-ADJ | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670S-5.0 | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670S-ADJ | SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM2670_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670EP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM2670EP Enhanced Plastic SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync |
| LM2670LD-12 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| LM2670LD-3.3 | 制造商:Rochester Electronics LLC 功能描述:3A STEP DOWN SIMP SWITCH 260KH - Bulk 制造商:Texas Instruments 功能描述: |
| LM2670LD-5.0 | 制造商:Rochester Electronics LLC 功能描述:3A STEP DOWN SIMP SWITCH 260KH - Bulk |
發(fā)布緊急采購，3分鐘左右您將得到回復。