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LM2585 bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM2585
Giải thích chi tiết về linh kiện  SIMPLE SWITCHER 3A Flyback Regulator
PDF  25 Pages
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LM2585 bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI)

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LM2585-5.0 (Continued)
Symbol
Parameters
Conditions
Typical
Min
Max
Units
UNIQUE DEVICE PARAMETERS (Note 5)
G
M
Error Amp
I
COMP = −30 µA to +30 µA
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 MΩ (Note 6)
LM2585-12
Symbol
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of
Figure 3 (Note 4)
V
OUT
Output Voltage
V
IN = 4V to 10V
12.0
11.52/11.40
12.48/12.60
V
I
LOAD = 0.2A to 0.8A
∆V
OUT/
Line Regulation
V
IN = 4V to 10V
20
100/200
mV
∆V
IN
I
LOAD = 0.2A
∆V
OUT/
Load Regulation
V
IN = 10V
20
100/200
mV
∆I
LOAD
I
LOAD = 0.2A to 0.8A
η
Efficiency
V
IN = 10V, ILOAD = 0.6A
93
%
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 µA to +30 µA
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 MΩ (Note 6)
LM2585-ADJ
Symbol
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of
Figure 3 (Note 4)
V
OUT
Output Voltage
V
IN = 4V to 10V
12.0
11.52/11.40
12.48/12.60
V
I
LOAD = 0.2A to 0.8A
∆V
OUT/
Line Regulation
V
IN = 4V to 10V
20
100/200
mV
∆V
IN
I
LOAD = 0.2A
∆V
OUT/
Load Regulation
V
IN = 10V
20
100/200
mV
∆I
LOAD
I
LOAD = 0.2A to 0.8A
η
Efficiency
V
IN = 10V, ILOAD = 0.6A
93
%
UNIQUE DEVICE PARAMETERS (Note 5)
V
REF
Output Reference
Measured at Feedback Pin
1.230
1.208/1.205
1.252/1.255
V
Voltage
V
COMP = 1.0V
∆V
REF
Reference Voltage
V
IN = 4V to 40V
1.5
mV
Line Regulation
G
M
Error Amp
I
COMP = −30 µA to +30 µA
3.200
1.800
6.000
mmho
Transconductance
V
COMP = 1.0V
A
VOL
Error Amp
V
COMP = 0.5V to 1.6V
670
400/200
V/V
Voltage Gain
R
COMP = 1.0 MΩ (Note 6)
I
B
Error Amp
V
COMP = 1.0V
125
425/600
nA
Input Bias Current
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