lm2587sx-5.0 National Semiconductor Corporation, lm2587sx-5.0 Datasheet - Page 3

• Manufacturer Part Number: lm2587sx-5.0
• Description: Simple Switcher 5a Flyback Regulator
• Manufacturer: National Semiconductor Corporation

∆V
G
A
SYSTEM PARAMETERS Test Circuit of Figure 3 (Note 4)
V
∆V
∆V
∆V
∆I
η
UNIQUE DEVICE PARAMETERS (Note 5)
V
∆V
G
A
SYSTEM PARAMETERS Test Circuit of Figure 3 (Note 4)
V
∆V
∆V
∆V
∆I
η
UNIQUE DEVICE PARAMETERS (Note 5)
V
Symbol
LM2587-5.0
Electrical Characteristics
VOL
Symbol
Symbol
LM2587-12
Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
OUT
REF
VOL
LM2587-ADJ
Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
OUT
REF
M
M
LOAD
LOAD
REF
OUT
IN
OUT
REF
OUT
IN
OUT
/
/
/
/
Output Voltage
Line Regulation
Load Regulation
Efficiency
Output Reference
Voltage
Reference Voltage
Line Regulation
Error Amp
Transconductance
Error Amp
Voltage Gain
Output Voltage
Line Regulation
Load Regulation
Efficiency
Output Reference
Voltage
Voltage
Reference Voltage
Line Regulation
Error Amp
Transconductance
Error Amp
Voltage Gain
Parameters
Parameters
Parameters
V
I
V
I
V
I
V
Measured at Feedback Pin
V
V
V
I
V
V
R
LOAD
LOAD
LOAD
COMP
V
I
V
I
V
I
V
Measured at Feedback Pin
V
V
I
V
V
R
IN
IN
IN
IN
COMP
LOAD
LOAD
LOAD
COMP
COMP
IN
COMP
COMP
COMP
IN
IN
IN
IN
COMP
IN
COMP
COMP
IN
COMP
IN
= 4V to 10V
= 4V to 10V
= 10V
= 10V, I
= 4V to 40V
= 4V to 10V
= 4V to 10V
= 10V
= 10V, I
= 4V to 40V
= 5V.
= 5V.
= 300 mA to 1.2A
= 300 mA
= 300 mA to 1.2A
= −30 µA to +30 µA
= 300 mA to 1.2A
= 300 mA
= 300 mA to 1.2A
= −30 µA to +30 µA
= 1.0V
= 1.0V
= 1.0V
= 0.5V to 1.6V
= 1.0 MΩ (Note 6)
= 1.0V
= 1.0V
= 0.5V to 1.6V
Conditions
= 1.0 MΩ (Note 6)
(Continued)
Conditions
Conditions
LOAD
J
J
LOAD
= 25˚C, and those in bold type face apply over full Operating Temperature
= 25˚C, and those in bold type face apply over full Operating Temperature
= 1A
= 1A
3
Typical
1.230
12.0
Typical
20
20
90
0.328
Typical
12.0
12.0
7.8
0.750
20
20
90
70
165
3.3
1.208/1.205
11.52/11.40
11.52/11.40
11.79/11.76
Min
0.186
41/21
Min
0.447
99/49
Min
12.48/12.60
1.252/1.255
12.48/12.60
12.21/12.24
100/200
100/200
100/200
100/200
Max
1.491
0.621
Max
Max
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mmho
Units
mmho
Units
Units
V/V
mV
mV
mV
V/V
mV
mV
mV
%
%
V
V
V
V