參數(shù)資料
型號(hào)： LM2586T-3.3
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SIMPLE SWITCHER 3A Flyback Regulator with Shutdown
中文描述： 3 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PZFM7
封裝： BENT STAGGERED, TO-220, 7 PIN
文件頁(yè)數(shù)： 3/28頁(yè)
文件大?。?/td> 778K
代理商： LM2586T-3.3
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
ON /OFF Pin Voltage
Sync Pin Voltage
Power Dissipation (Note 3)
Storage Temperature Range
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
0.4V
≤
V
SH
≤
6V
0.4V
≤
V
SYNC
≤
2V
Internally Limited
65C to +150C
Lead Temperature (Soldering, 10
sec.)
Maximum Junction Temperature
(Note 3)
Minimum ESD Rating
(C = 100 pF, R = 1.5 k
)
260C
150C
2 kV
Operating Ratings
Supply Voltage
Output Switch Voltage
Output Switch Current
Junction Temp. Range
4V
≤
V
IN
≤
40V
0V
≤
V
SW
≤
60V
I
SW
≤
3.0A
40C
≤
T
J
≤
+125C
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.
LM2586-3.3
Symbol
SYSTEM PARAMETERS
Test Circuit of Figure 1 (Note 4)
V
OUT
Output Voltage
Parameters
Conditions
Typical
Min
Max
Units
V
IN
= 4V to 12V
I
LOAD
= 0.3 to 1.2A
V
IN
= 4V to 12V
I
LOAD
= 0.3A
V
IN
= 12V
I
LOAD
= 0.3A to 1.2A
V
IN
= 5V, I
LOAD
= 0.3A
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
76
%
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
LM2586-5.0
Symbol
SYSTEM PARAMETERS
Test Circuit of Figure 1 (Note 4)
V
OUT
Output Voltage
Parameters
Conditions
Typical
Min
Max
Units
V
IN
= 4V to 12V
I
LOAD
= 0.3A to 1.1A
V
IN
= 4V to 12V
I
LOAD
= 0.3A
V
IN
= 12V
I
LOAD
= 0.3A to 1.1A
V
IN
= 12V, I
LOAD
= 0.6A
5.0
4.80/
4.75
5.20/
5.25
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
20
50/
100
mV
Load Regulation
20
50/
100
mV
Efficiency
80
%
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
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LM2586T-5.0/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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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LM2586T-ADJ/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu
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