參數(shù)資料
型號： LM2588-ADJMWC
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, UUC
封裝： WAFER
文件頁數(shù)： 23/33頁
文件大?。?/td> 863K
代理商： LM2588-ADJMWC
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
0.4V
≤ V
IN ≤ 45V
Switch Voltage
0.4V
≤ V
SW ≤ 65V
Switch Current (Note 2)
Internally Limited
Compensation Pin Voltage
0.4V
≤ V
COMP ≤ 2.4V
Feedback Pin Voltage
0.4V
≤ V
FB ≤ 2VOUT
ON /OFF Pin Voltage
0.4V
≤ V
SH ≤ 6V
Sync Pin Voltage
0.4V
≤ V
SYNC ≤ 2V
Power Dissipation (Note 3)
Internally Limited
Storage Temperature Range
65C to +150C
Lead Temperature
(Soldering, 10 sec.)
260C
Maximum Junction Temperature
(Note 3)
150C
Minimum ESD Rating
(C = 100 pF, R = 1.5 k
)2 kV
Operating Ratings
Supply Voltage
4V
≤ V
IN ≤ 40V
Output Switch Voltage
0V
≤ V
SW ≤ 60V
Output Switch Current
I
SW ≤ 5.0A
Junction Temperature Range
40C
≤ T
J ≤ +125C
LM2588-3.3
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
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of
Figure 1 (Note 4)
V
OUT
Output Voltage
V
IN = 4V to 12V
3.3
3.17/3.14
3.43/3.46
V
I
LOAD = 400 mA to 1.75A
V
OUT/
Line Regulation
V
IN = 4V to 12V
20
50/100
mV
V
IN
I
LOAD = 400 mA
V
OUT/
Load Regulation
V
IN = 12V
20
50/100
mV
I
LOAD
I
LOAD = 400 mA to 1.75A
η
Efficiency
V
IN = 12V, ILOAD = 1A
75
%
UNIQUE DEVICE PARAMETERS (Note 5)
V
REF
Output Reference
Measured at Feedback Pin
3.3
3.242/3.234
3.358/3.366
V
Voltage
V
COMP = 1.0V
V
REF
Reference Voltage
V
IN = 4V to 40V
2.0
mV
Line Regulation
G
M
Error Amp
I
COMP = 30 A to +30 A
1.193
0.678
2.259
mmho
Transconductance
V
COMP = 1.0V
A
VOL
Error Amp
V
COMP = 0.5V to 1.6V
260
151/75
V/V
Voltage Gain
R
COMP = 1.0 M (Note 6)
LM2588-5.0
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
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of
Figure 1 (Note 4)
V
OUT
Output Voltage
V
IN = 4V to 12V
5.0
4.80/4.75
5.20/5.25
V
I
LOAD = 500 mA to 1.45A
V
OUT/
Line Regulation
V
IN = 4V to 12V
20
50/100
mV
V
IN
I
LOAD = 500 mA
V
OUT/
Load Regulation
V
IN = 12V
20
50/100
mV
I
LOAD
I
LOAD = 500 mA to 1.45A
η
Efficiency
V
IN = 12V, ILOAD = 750 mA
80
%
UNIQUE DEVICE PARAMETERS (Note 5)
V
REF
Output Reference
Measured at Feedback Pin
5.0
4.913/4.900
5.088/5.100
V
Voltage
V
COMP = 1.0V
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LM2588S-12 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
LM2588S-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
LM2588S-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
LM2588S-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
LM2588S-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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