參數(shù)資料
型號： LM2671-5.0MDC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
封裝： DIE
文件頁數(shù)： 23/30頁
文件大?。?/td> 612K
代理商： LM2671-5.0MDC
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
45V
ON/OFF Pin Voltage
0.1V
≤ V
SH ≤ 6V
Switch Voltage to Ground
1V
Boost Pin Voltage
V
SW +8V
Feedback Pin Voltage
0.3V
≤ V
FB ≤ 14V
ESD Susceptibility
Human Body Model (Note 2)
2 kV
Power Dissipation
Internally Limited
Storage Temperature Range
65C to +150C
Lead Temperature
M Package
Vapor Phase (60s)
+215C
Infrared (15s)
+220C
N Package (Soldering, 10s)
+260C
LLP Package (See AN-1187)
Maximum Junction Temperature
+150C
Operating Ratings
Supply Voltage
6.5V to 40V
Temperature Range
40C
≤ T
J ≤ +125C
Electrical Characteristics
LM2671-3.3 Specifications with standard type face are for T
J = 25C, and those in bold type face apply over full
Operating Temperature Range.
Symbol
Parameter
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit
V
OUT
Output Voltage
V
IN = 8V to 40V, ILOAD = 20 mA to 500 mA
3.3
3.251/3.201
3.350/3.399
V
OUT
Output Voltage
V
IN = 6.5V to 40V, ILOAD = 20 mA to 250 mA
3.3
3.251/3.201
3.350/3.399
V
η
Efficiency
V
IN = 12V, ILOAD = 500 mA
86
%
LM2671-5.0
Symbol
Parameter
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit
V
OUT
Output Voltage
V
IN = 8V to 40V, ILOAD = 20 mA to 500 mA
5.0
4.925/4.850
5.075/5.150
V
OUT
Output Voltage
V
IN = 6.5V to 40V, ILOAD = 20 mA to 250 mA
5.0
4.925/4.850
5.075/5.150
V
η
Efficiency
V
IN = 12V, ILOAD = 500 mA
90
%
LM2671-12
Symbol
Parameter
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit
V
OUT
Output Voltage
V
IN = 15V to 40V, ILOAD = 20 mA to 500 mA
12
11.82/11.64
12.18/12.36
V
η
Efficiency
V
IN = 24V, ILOAD = 500 mA
94
%
LM2671-ADJ
Symbol
Parameter
Conditions
Typ
Min
Max
Units
SYSTEM PARAMETERS Test Circuit
V
FB
Feedback
Voltage
V
IN = 8V to 40V, ILOAD = 20mAto500 mA
1.210
1.192/1.174
1.228/1.246
V
OUT Programmed for 5V
(see Circuit of
LM2671
www.national.com
3
相關PDF資料
PDF描述
LM2671-ADJMWC 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
LM2672-3.3MDC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
LM2672-3.3MWC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
LM2672-ADJMWC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
LM2672-12MDC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, UUC
相關代理商/技術參數(shù)
參數(shù)描述
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