參數(shù)資料
型號： LM2587T-3.3
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SIMPLE SWITCHER 5A Flyback Regulator
中文描述： 5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PSFM5
封裝： BENT STAGGERED, TO-220, 5 PIN
文件頁數(shù)： 3/26頁
文件大?。?/td> 676K
代理商： LM2587T-3.3
LM2587-5.0
Electrical Characteristics
(Continued)
Symbol
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
Parameters
Conditions
Typical
Min
Max
Units
Measured at Feedback Pin
V
COMP
= 1.0V
V
IN
= 4V to 40V
5.0
4.913/
4.900
5.088/
5.100
V
3.3
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)
0.750
0.447
1.491
mmho
165
99/
49
V/V
LM2587-12
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 3 (Note 4)
V
OUT
Output Voltage
Parameters
Conditions
Typical
Min
Max
Units
V
IN
= 4V to 10V
I
LOAD
= 300 mA to 1.2A
V
IN
= 4V to 10V
I
LOAD
= 300 mA
V
IN
= 10V
I
LOAD
= 300 mA to 1.2A
V
IN
= 10V, I
LOAD
= 1A
12.0
11.52/
11.40
12.48/
12.60
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
100/
200
mV
Load Regulation
20
100/
200
mV
Efficiency
90
%
Measured at Feedback Pin
V
COMP
= 1.0V
V
IN
= 4V to 40V
12.0
11.79/
11.76
12.21/
12.24
V
7.8
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)
0.328
0.186
0.621
mmho
70
41/
21
V/V
LM2587-ADJ
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 3 (Note 4)
V
OUT
Output Voltage
Parameters
Conditions
Typical
Min
Max
Units
V
IN
= 4V to 10V
I
LOAD
= 300 mA to 1.2A
V
IN
= 4V to 10V
I
LOAD
= 300 mA
V
IN
= 10V
I
LOAD
= 300 mA to 1.2A
V
IN
= 10V, I
LOAD
= 1A
12.0
11.52/
11.40
12.48/
12.60
V
V
OUT
/
V
IN
V
OUT
/
I
LOAD
η
Line Regulation
20
100/
200
mV
Load Regulation
20
100/
200
mV
Efficiency
90
%
www.national.com
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相關(guān)PDF資料
PDF描述
LM2587T-5.0 SIMPLE SWITCHER 5A Flyback Regulator
LM2587S-5.0 SIMPLE SWITCHER 5A Flyback Regulator
LM2587S-ADJ SIMPLE SWITCHER 5A Flyback Regulator
LM2587S-3.3 RP DPA 60 DUST CAP
LM2587S-12 CONNECTOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2587T-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
LM2587T-5.0/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
LM2587T50 制造商:Texas Instruments 功能描述:SWITCHING REG 5A 5.0V 2587 TO-220
LM2587T-ADJ 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
LM2587T-ADJ 制造商:Texas Instruments 功能描述:SWITCHING REG 5A ADJ 2587 TO2205
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