參數(shù)資料
型號： LM2588T-12/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 9.5 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PSFM7
封裝： LEAD FREE, BENT STAGGERED, TO-220, 7 PIN
文件頁數(shù)： 25/30頁
文件大小： 1280K
代理商： LM2588T-12/NOPB
LM2588-5.0 Electrical Characteristics (Continued)
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
Parameters
Conditions
Typical
Min
Max
Units
V
REF
Output Reference
Measured at Feedback Pin
5.0
4.913/4.900
5.088/5.100
V
Voltage
V
COMP = 1.0V
V
REF
Reference Voltage
V
IN = 4V to 40V
3.3
mV
Line Regulation
G
M
Error Amp
I
COMP = 30 A to +30 A
0.750
0.447
1.491
mmho
Transconductance
V
COMP = 1.0V
A
VOL
Error Amp
V
COMP = 0.5V to 1.6V
165
99/49
V/V
Voltage Gain
R
COMP = 1.0 M
LM2588-12 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
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of Figure 2 (Note 4)
V
OUT
Output Voltage
V
IN = 4V to 10V
12.0
11.52/11.40
12.48/12.60
V
I
LOAD = 300 mA to 1.2A
V
OUT/
Line Regulation
V
IN = 4V to 10V
20
100/200
mV
V
IN
I
LOAD = 300 mA
V
OUT/
Load Regulation
V
IN = 10V
20
100/200
mV
I
LOAD
I
LOAD = 300 mA to 1.2A
η
Efficiency
V
IN = 10V, ILOAD =1A
90
%
UNIQUE DEVICE PARAMETERS (Note 5)
V
REF
Output Reference
Measured at Feedback Pin
12.0
11.79/11.76
12.21/12.24
V
Voltage
V
COMP = 1.0V
V
REF
Reference Voltage
V
IN = 4V to 40V
7.8
mV
Line Regulation
G
M
Error Amp
I
COMP = 30 A to +30 A
0.328
0.186
0.621
mmho
Transconductance
V
COMP = 1.0V
A
VOL
Error Amp
V
COMP = 0.5V to 1.6V
70
41/21
V/V
Voltage Gain
R
COMP = 1.0 M
LM2588-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
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of Figure 2 (Note 4)
V
OUT
Output Voltage
V
IN = 4V to 10V
12.0
11.52/11.40
12.48/12.60
V
I
LOAD = 300 mA to 1.2A
V
OUT/
Line Regulation
V
IN = 4V to 10V
20
100/200
mV
V
IN
I
LOAD = 300 mA
V
OUT/
Load Regulation
V
IN = 10V
20
100/200
mV
I
LOAD
I
LOAD = 300 mA to 1.2A
η
Efficiency
V
IN = 10V, ILOAD =1A
90
%
LM2588
www.national.com
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LM2588T-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
LM2588T-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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