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LM2586 データシート(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部品番号 LM2586
部品情報  SIMPLE SWITCHER 3A Flyback Regulator with Shutdown
PDF  28 Pages
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2586 データシート(HTML) 4 Page - National Semiconductor (TI)

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LM2586-5.0 (Continued)
Symbol
Parameters
Conditions
Typical
Min
Max
Units
UNIQUE DEVICE PARAMETERS (Note 5)
Line Regulation
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)
LM2586-12
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 = 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)
LM2586-ADJ
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 = 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 Voltage Gain
V
COMP = 0.5V to 1.6V,
R
COMP = 1.0 MΩ (Note 6)
670
400/200
V/V
I
B
Error Amp
V
COMP = 1.0V
125
425/600
nA
Input Bias Current
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