lm2588sx-adj National Semiconductor Corporation, lm2588sx-adj Datasheet - Page 4

• Manufacturer Part Number: lm2588sx-adj
• Description: Simple Switcher 5a Flyback Regulator With
• Manufacturer: National Semiconductor Corporation

www.national.com
V
∆V
G
A
SYSTEM PARAMETERS Test Circuit of Figure 2 (Note 4)
V
∆V
∆V
∆V
∆I
η
UNIQUE DEVICE PARAMETERS (Note 5)
V
∆V
G
A
SYSTEM PARAMETERS Test Circuit of Figure 2 (Note 4)
V
∆V
∆V
∆V
∆I
η
REF
VOL
OUT
REF
VOL
OUT
Symbol
M
Symbol
M
Symbol
LM2588-5.0 Electrical Characteristics
LOAD
LOAD
Specifications with standard type face are for T
Range. Unless otherwise specified, V
LM2588-12 Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
LM2588-ADJ Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
REF
OUT
IN
OUT
REF
OUT
IN
OUT
/
/
/
/
Output Reference
Voltage
Reference Voltage
Line Regulation
Error Amp
Transconductance
Error Amp
Voltage Gain
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
Parameters
Parameters
Parameters
Measured at Feedback Pin
V
V
I
V
V
R
V
I
V
I
V
I
V
Measured at Feedback Pin
V
V
I
V
V
R
V
I
V
I
V
I
V
COMP
LOAD
LOAD
LOAD
COMP
LOAD
LOAD
LOAD
COMP
IN
COMP
COMP
COMP
IN
IN
IN
IN
COMP
IN
COMP
COMP
COMP
IN
IN
IN
IN
IN
IN
IN
= 4V to 40V
= 4V to 10V
= 4V to 10V
= 10V
= 10V, I
= 4V to 40V
= 4V to 10V
= 4V to 10V
= 10V
= 10V, I
= 5V.
= 5V.
= 5V.
= 300 mA to 1.2A
= 300 mA
= 300 mA to 1.2A
= 300 mA to 1.2A
= 300 mA
= 300 mA to 1.2A
= −30 µA to +30 µA
= −30 µA to +30 µA
= 1.0V
= 1.0V
= 0.5V to 1.6V
= 1.0 MΩ (Note 6)
= 1.0V
= 1.0V
= 0.5V to 1.6V
= 1.0 MΩ (Note 6)
Conditions
Conditions
LOAD
Conditions
LOAD
J
J
J
= 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
= 25˚C, and those in bold type face apply over full Operating Temperature
= 1A
= 1A
4
(Continued)
Typical
Typical
0.750
0.328
12.0
12.0
165
5.0
3.3
7.8
20
20
90
70
Typical
12.0
20
20
90
4.913/4.900
11.52/11.40
11.79/11.76
11.52/11.40
0.447
99/49
0.186
41/21
Min
Min
Min
5.088/5.100
12.48/12.60
12.21/12.24
12.48/12.60
100/200
100/200
100/200
100/200
1.491
0.621
Max
Max
Max
mmho
mmho
Units
Units
Units
mV
V/V
mV
mV
mV
V/V
mV
mV
%
%
V
V
V
V