lm2588sx-adj National Semiconductor Corporation, lm2588sx-adj Datasheet - Page 3

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

SYSTEM PARAMETERS Test Circuit of Figure 1 (Note 4)
V
∆V
∆V
∆V
∆I
η
UNIQUE DEVICE PARAMETERS (Note 5)
V
∆V
G
A
SYSTEM PARAMETERS Test Circuit of Figure 1 (Note 4)
V
∆V
∆V
∆V
∆I
η
UNIQUE DEVICE PARAMETERS (Note 5)
OUT
REF
VOL
OUT
Symbol
M
Symbol
LOAD
LOAD
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
LM2588-3.3 Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
LM2588-5.0 Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
OUT
IN
OUT
REF
OUT
IN
OUT
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
/
/
/
/
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
V
I
V
I
V
I
V
Measured at Feedback Pin
V
V
I
V
V
R
V
I
V
I
V
I
V
LOAD
LOAD
LOAD
COMP
LOAD
LOAD
LOAD
IN
IN
IN
IN
COMP
IN
COMP
COMP
IN
IN
IN
IN
COMP
IN
IN
−0.4V ≤ V
= 4V to 12V
= 4V to 12V
= 12V
= 12V, I
= 4V to 40V
= 4V to 12V
= 4V to 12V
= 12V
= 12V, I
−0.4V ≤ V
−0.4V ≤ V
= 5V.
= 5V.
= 400 mA to 1.75A
= 400 mA
= 400 mA to 1.75A
= 500 mA to 1.45A
= 500 mA
= 500 mA to 1.45A
−0.4V ≤ V
= −30 µA to +30 µA
−0.4V ≤ V
Internally Limited
Internally Limited
−65˚C to +150˚C
= 1.0V
= 1.0V
= 0.5V to 1.6V
= 1.0 MΩ (Note 6)
−0.4V ≤ V
Conditions
Conditions
LOAD
LOAD
(Note 1)
J
J
SYNC
= 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
SW
IN
SH
COMP
= 1A
= 750 mA
FB
≤ 45V
≤ 65V
V
≤ 6V
≤ 2V
2.4V
OUT
≤ 2
≤
3
Operating Ratings
Lead Temperature
Maximum Junction Temperature
Minimum ESD Rating
Supply Voltage
Output Switch Voltage
Output Switch Current
Junction Temperature
Range
(Soldering, 10 sec.)
(Note 3)
(C = 100 pF, R = 1.5 kΩ)
Typical
Typical
1.193
260
3.3
3.3
2.0
5.0
20
20
75
20
20
80
3.242/3.234
3.17/3.14
4.80/4.75
151/75
0.678
Min
Min
3.358/3.366
3.43/3.46
5.20/5.25
−40˚C ≤ T
50/100
50/100
50/100
50/100
2.259
Max
Max
0V ≤ V
4V ≤ V
J
I
www.national.com
SW
SW
≤ +125˚C
IN
≤ 5.0A
260˚C
150˚C
≤ 40V
≤ 60V
mmho
2 kV
Units
Units
V/V
mV
mV
mV
mV
mV
%
%
V
V
V