參數(shù)資料
型號： LM2591HVADJMWC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
封裝： WAFER
文件頁數(shù)： 12/23頁
文件大小： 722K
代理商： LM2591HVADJMWC
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)
63V
ON/OFF Pin Voltage
0.3
≤ V ≤ +25V
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 2)
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 60V
LM2591HV-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
LM2591HV-3.3
Units
(Limits)
Typ
Limit
SYSTEM PARAMETERS (Note 5) Test Circuit
V
OUT
Output Voltage
4.75V
≤ V
IN ≤ 60V, 0.2A ≤ ILOAD ≤ 1A
3.3
V
3.168/3.135
V(min)
3.432/3.465
V(max)
η
Efficiency
V
IN = 12V, ILOAD =1A
77
LM2591HV-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
LM2591HV-5.0
Units
(Limits)
Typ
Limit
SYSTEM PARAMETERS (Note 5) Test Circuit
V
OUT
Output Voltage
7V
≤ V
IN ≤ 60V, 0.2A ≤ ILOAD ≤ 1A
5
V
4.800/4.750
V(min)
5.200/5.250
V(max)
η
Efficiency
V
IN = 12V, ILOAD =1A
82
%
LM2591HV-ADJ
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
LM2591HV-ADJ
Units
(Limits)
Typ
Limit
SYSTEM PARAMETERS (Note 5) Test Circuit
V
FB
Feedback Voltage
4.5V
≤ V
IN ≤ 60V, 0.2A ≤ ILOAD ≤ 1A
1.230
V
OUT programmed for 3V. Circuit of Figure 1.
1.193/1.180
V(min)
1.267/1.280
V(max)
η
Efficiency
V
IN = 12V, VOUT = 3V, ILOAD =1A
76
%
LM2591HV
www.national.com
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LM2591HVS-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
LM2591HVS-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
LM2591HVS-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
LM2591HVS-5.0/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 PWR CONVERTER 150KHz 1A ST-DOWN VLTG REG 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
LM2591HVS-5.0/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu
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