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| 型號(hào)： | LM2588T-3.3 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SIMPLE SWITCHER 5A Flyback Regulator with |
| 中文描述： | 9.5 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PSFM7 |
| 封裝： | BENT STAGGERED, TO-220, 7 PIN |
| 文件頁(yè)數(shù)： | 5/29頁(yè) |
| 文件大?。?/td> | 786K |
| 代理商： | LM2588T-3.3 |
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LM2588-ADJ
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
UNIQUE DEVICE PARAMETERS
(Note 5)
V
REF
Output Reference
Measured at Feedback Pin
Voltage
V
COMP
= 1.0V
V
REF
Reference Voltage
V
IN
= 4V to 40V
Line Regulation
G
M
Error Amp
I
COMP
= 30 μA to +30 μA
Transconductance
V
COMP
= 1.0V
A
VOL
Error Amp
V
COMP
= 0.5V to 1.6V
Voltage Gain
R
COMP
= 1.0 M
(Note 6)
I
B
Error Amp
V
COMP
= 1.0V
Input Bias Current
Typical
Min
Max
Units
1.230
1.208/
1.205
1.252/
1.255
V
1.5
mV
3.200
1.800
6.000
mmho
670
400/
200
V/V
125
425/
600
nA
All Output Voltage Versions
Electrical Characteristics
(Note 5)
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
I
S
Input Supply Current
Switch Off
(Note 8)
I
SWITCH
= 3.0A
I
S/D
Shutdown Input
V
SH
= 3V
Supply Current
V
UV
Input Supply
R
LOAD
= 100
Undervoltage
Lockout
f
O
Oscillator Frequency
Measured at Switch Pin
R
LOAD
= 100
, V
COMP
= 1.0V
Freq. Adj. Pin Open (Pin 1)
R
SET
= 22 k
f
SC
Short-Circuit
Measured at Switch Pin
Frequency
R
LOAD
= 100
V
FEEDBACK
= 1.15V
V
EAO
Error Amplifier
Upper Limit
Output Swing
(Note 7)
Lower Limit
(Note 8)
I
EAO
Error Amp
(Note 9)
Output Current
(Source or Sink)
I
SS
Soft Start Current
V
FEEDBACK
= 0.92V
V
COMP
= 1.0V
D
MAX
Maximum Duty
Cycle
(Note 7)
I
L
Switch Leakage
Switch Off
Current
V
SWITCH
= 60V
V
SUS
Switch Sustaining
Voltage
Typical
11
Min
Max
Units
mA
15.5/
16.5
85
16
140/
165
100/
300
mA
μA
3.30
3.05
3.75
V
100
85/
75
115/
125
kHz
200
kHz
25
kHz
2.8
2.6/
2.4
V
0.25
0.40/
0.55
V
165
110/
70
260/
320
μA
11.0
8.0/
7.0
17.0/
19.0
μA
R
LOAD
= 100
98
93/
90
%
15
300/
600
μA
dV/dT = 1.5V/ns
65
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LM2588T-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 |
| LM2588T50 | 制造商:Texas Instruments 功能描述:SWITCHING REG 5A 5.0V 2588 TO-220 |
| LM2588T-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 |
| LM2588T-ADJ | 制造商:Texas Instruments 功能描述:SWITCHING REG 5A ADJ 2588 TO2207 |
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