參數(shù)資料
型號： LM2587S-12
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： CONNECTOR
中文描述： 5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PSSO5
封裝： TO-263, 5 PIN
文件頁數(shù)： 2/26頁
文件大?。?/td> 676K
代理商： LM2587S-12
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 Voltage
Switch Voltage
Switch Current (Note 2)
Compensation Pin Voltage
Feedback Pin Voltage
Storage Temperature Range
Lead Temperature
(Soldering, 10 sec.)
0.4V
≤
V
IN
≤
45V
0.4V
≤
V
SW
≤
65V
Internally Limited
0.4V
≤
V
COMP
≤
2.4V
0.4V
≤
V
FB
≤
2 V
OUT
65C to +150C
260C
Maximum Junction
Temperature (Note 3)
Power Dissipation (Note 3)
Minimum ESD Rating
(C = 100 pF, R = 1.5 k
150C
Internally Limited
2 kV
Operating Ratings
Supply Voltage
Output Switch Voltage
Output Switch Current
Junction Temperature Range
4V
≤
V
IN
≤
40V
0V
≤
V
SW
≤
60V
I
SW
≤
5.0A
40C
≤
T
J
≤
+125C
LM2587-3.3
Electrical Characteristics
Specifications with standard type face are for T
J
= 25C, and those in
bold type face
apply over full
Operating Temperature
Range.
Unless otherwise specified, V
IN
= 5V.
Symbol
SYSTEM PARAMETERS
Test Circuit of Figure 2 (Note 4)
V
OUT
Output Voltage
Parameters
Conditions
Typical
Min
Max
Units
V
IN
= 4V to 12V
I
LOAD
= 400 mA to 1.75A
V
IN
= 4V to 12V
I
LOAD
= 400 mA
V
IN
= 12V
I
LOAD
= 400 mA to 1.75A
V
IN
= 12V, I
LOAD
= 1A
3.3
3.17/
3.14
3.43/
3.46
V
V
OUT
/
V
IN
V
OUT
/
I
LOAD
η
UNIQUE DEVICE PARAMETERS
(Note 5)
V
REF
Output Reference
Voltage
V
REF
Reference Voltage
Line Regulation
G
M
Error Amp
Transconductance
A
VOL
Error Amp
Voltage Gain
Line Regulation
20
50/
100
mV
Load Regulation
20
50/
100
mV
Efficiency
75
%
Measured at Feedback Pin
V
COMP
= 1.0V
V
IN
= 4V to 40V
3.3
3.242/
3.234
3.358/
3.366
V
2.0
mV
I
COMP
= 30 μA to +30 μA
V
COMP
= 1.0V
V
COMP
= 0.5V to 1.6V
R
COMP
= 1.0 M
(Note 6)
1.193
0.678
2.259
mmho
260
151/
75
V/V
LM2587-5.0
Electrical Characteristics
Specifications with standard type face are for T
J
= 25C, and those in
bold type face
apply over full
Operating Temperature
Range.
Unless otherwise specified, V
IN
= 5V.
Symbol
SYSTEM PARAMETERS
Test Circuit of Figure 2 (Note 4)
V
OUT
Output Voltage
Parameters
Conditions
Typical
Min
Max
Units
V
IN
= 4V to 12V
I
LOAD
= 500 mA to 1.45A
V
IN
= 4V to 12V
I
LOAD
= 500 mA
V
IN
= 12V
I
LOAD
= 500 mA to 1.45A
V
IN
= 12V, I
LOAD
= 750 mA
5.0
4.80/
4.75
5.20/
5.25
V
V
OUT
/
V
IN
V
OUT
/
I
LOAD
η
Line Regulation
20
50/
100
mV
Load Regulation
20
50/
100
mV
Efficiency
80
%
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2587S-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
LM2587S-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
LM2587S-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
LM2587S5.0 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Up 4V to 40V 6-Pin(5+Tab) TO-263 Rail
LM2587S-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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