參數(shù)資料
型號(hào)： LM2591HVS-3.3
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
中文描述： 3 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5
封裝： TO-263, 5 PIN
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 730K
代理商： LM2591HVS-3.3
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 1)
Maximum Supply Voltage (V
IN
)
ON/OFF Pin Voltage
Feedback Pin Voltage
Output Voltage to Ground
(Steady State)
Power Dissipation
Storage Temperature Range
ESD Susceptibility
63V
0.3
≤
V
≤
+25V
0.3
≤
V
≤
+25V
1V
Internally limited
65C to +150C
Human Body Model (Note 2)
Lead Temperature
S Package
Vapor Phase (60 sec.)
Infrared (10 sec.)
T Package (Soldering, 10 sec.)
Maximum Junction Temperature
2 kV
+215C
+245C
+260C
+150C
Operating Conditions
Temperature Range
Supply Voltage
40C
≤
T
J
≤
+125C
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
(Note 4)
(Note 3)
SYSTEM PARAMETERS
(Note 5) Test Circuit
Figure 1
V
OUT
Output Voltage
4.75V
≤
V
IN
≤
60V, 0.2A
≤
I
LOAD
≤
1A
3.3
V
3.168/
3.135
3.432/
3.465
V(min)
V(max)
η
Efficiency
V
IN
= 12V, I
LOAD
= 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
(Note 4)
(Note 3)
SYSTEM PARAMETERS
(Note 5) Test Circuit
Figure 1
V
OUT
Output Voltage
7V
≤
V
IN
≤
60V, 0.2A
≤
I
LOAD
≤
1A
5
V
4.800/
4.750
5.200/
5.250
V(min)
V(max)
%
η
Efficiency
V
IN
= 12V, I
LOAD
= 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
Typ
(Note 3)
Units
(Limits)
Limit
(Note 4)
SYSTEM PARAMETERS
(Note 5) Test Circuit
Figure 1
V
FB
Feedback Voltage
4.5V
≤
V
IN
≤
60V, 0.2A
≤
I
LOAD
≤
1A
V
OUT
programmed for 3V. Circuit of
Figure 1
.
1.230
V
1.193/
1.180
1.267/
1.280
V(min)
V(max)
%
η
Efficiency
V
IN
= 12V, V
OUT
= 3V, I
LOAD
= 1A
76
L
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相關(guān)PDF資料
PDF描述
LM2591HVS-ADJ SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
LM2591HVT-ADJ SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
LM2591HVT-3.3 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
LM2591HVS-5.0 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
LM2591HV SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2591HVS-5.0 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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(kāi)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(kāi)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
LM2591HVS-ADJ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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-ADJ/NOPB 功能描述:直流/直流開(kāi)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(kāi)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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