參數(shù)資料
型號(hào): LM2670-5.0MDC
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, UUC
封裝: DIE
文件頁(yè)數(shù): 23/30頁(yè)
文件大小: 494K
代理商: LM2670-5.0MDC
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
45V
ON/OFF Pin Voltage
0.1V to 6V
Switch Voltage to Ground
1V to V
IN
Boost Pin Voltage
V
SW +8V
Feedback Pin Voltage
0.3V to 14V
Power Dissipation
Internally Limited
2 kV
Storage Temperature Range
65C to 150C
Soldering Temperature
Wave
4 sec, 260C
Infrared
10 sec, 240C
Vapor Phase
75 sec, 219C
Operating Ratings
Supply Voltage
8V to 40V
Junction Temperature Range (T
J)
40C to 125C
Electrical Characteristics Limits appearing in bold type face apply over the entire junction temperature
range of operation, 40C to 125C. Specifications appearing in normal type apply for T
A =TJ = 25C. Sync pin open
circuited.
LM2670-3.3
Symbol
Parameter
Conditions
Typical
Min
Max
Units
V
OUT
Output Voltage
V
IN = 8V to 40V, 100mA ≤ IOUT ≤ 3A
3.3
3.234/3.201
3.366/3.399
V
η
Efficiency
V
IN = 12V, ILOAD =3A
86
%
LM2670-5.0
Symbol
Parameter
Conditions
Typical
Min
Max
Units
V
OUT
Output Voltage
V
IN = 8V to 40V, 100mA ≤ IOUT ≤ 3A
5.0
4.900/4.850
5.100/5.150
V
η
Efficiency
V
IN = 12V, ILOAD =3A
88
%
LM2670-12
Symbol
Parameter
Conditions
Typical
Min
Max
Units
V
OUT
Output Voltage
V
IN = 15V to 40V, 100mA ≤ IOUT ≤ 3A
12
11.76/11.64
12.24/12.36
V
η
Efficiency
V
IN = 24V, ILOAD =3A
94
%
LM2670-ADJ
Symbol
Parameter
Conditions
Typ
Min
Max
Units
V
FB
Feedback
Voltage
V
IN = 8V to 40V, 100mA ≤ IOUT ≤ 3A
V
OUT Programmed for 5V
1.21
1.186/1.174
1.234/1.246
V
η
Efficiency
V
IN = 12V, ILOAD =3A
88
%
LM2670
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相關(guān)PDF資料
PDF描述
LM2670LDX-3.3 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO14
LM2670LD-3.3 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO14
LM2670LD-12 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO14
LM2670LD-5.0 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO14
LM2670LD-ADJ 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO14
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