參數(shù)資料
型號： LM2599-3.3MWC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
封裝： WAFER
文件頁數(shù)： 12/36頁
文件大?。?/td> 897K
代理商： LM2599-3.3MWC
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Supply Voltage (V
IN)
45V
SD /SS Pin Input Voltage (Note 2)
6V
Delay Pin Voltage (Note 2)
1.5V
Flag Pin Voltage
0.3
≤ V ≤45V
Feedback Pin Voltage
0.3
≤ V ≤+25V
Output Voltage to Ground
(Steady State)
1V
Power Dissipation
Internally limited
Storage Temperature Range
65C to +150C
ESD Susceptibility
Human Body Model (Note 3)
2 kV
Lead Temperature
S Package
Vapor Phase (60 sec.)
+215C
Infrared (10 sec.)
+245C
T Package (Soldering, 10 sec.)
+260C
Maximum Junction Temperature
+150C
Operating Conditions
Temperature Range
40C
≤ T
J ≤ +125C
Supply Voltage
4.5V to 40V
LM2599-3.3
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
LM2599-3.3
Units
(Limits)
Typ
Limit
(Note 4)
(Note 5)
SYSTEM PARAMETERS (Note 6) Test Circuit
Figure 1
V
OUT
Output Voltage
4.75V
≤ V
IN ≤ 40V, 0.2A ≤ ILOAD ≤ 3A
3.3
V
3.168/3.135
V(min)
3.432/3.465
V(max)
η
Efficiency
V
IN = 12V, ILOAD =3A
73
%
LM2599-5.0
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
LM2599-5.0
Units
(Limits)
Typ
Limit
(Note 4)
(Note 5)
SYSTEM PARAMETERS (Note 6) Test Circuit
Figure 1
V
OUT
Output Voltage
7V
≤ V
IN ≤ 40V, 0.2A ≤ ILOAD ≤ 3A
5
V
4.800/4.750
V(min)
5.200/5.250
V(max)
η
Efficiency
V
IN = 12V, ILOAD =3A
80
%
LM2599
www.national.com
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LM2599S-12 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
LM2599S-12/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
LM2599S-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
LM2599S-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
LM2599S-5.0 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
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