lm2587sx-5.0 National Semiconductor Corporation, lm2587sx-5.0 Datasheet - Page 2

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

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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
UNIQUE DEVICE PARAMETERS (Note 5)
V
Symbol
OUT
REF
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
LM2587-3.3
Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
OUT
REF
VOL
LM2587-5.0
Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
Symbol
M
LOAD
LOAD
Input Voltage
Switch Voltage
Switch Current (Note 2)
Compensation Pin Voltage
Feedback Pin Voltage
Storage Temperature Range
Lead Temperature
OUT
IN
OUT
REF
OUT
IN
OUT
(Soldering, 10 sec.)
/
/
/
/
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
Parameters
Parameters
V
I
V
I
V
I
V
Measured at Feedback Pin
−0.4V ≤ V
V
I
V
I
V
I
V
Measured at Feedback Pin
V
V
I
V
V
R
LOAD
LOAD
LOAD
−0.4V ≤ V
LOAD
LOAD
LOAD
COMP
IN
IN
IN
IN
IN
IN
IN
IN
IN
COMP
IN
COMP
COMP
IN
COMP
−0.4V ≤ V
= 4V to 12V
= 4V to 12V
= 12V
= 12V, I
−0.4V ≤ V
= 5V.
= 4V to 12V
= 4V to 12V
= 12V
= 12V, I
= 4V to 40V
= 5V.
Internally Limited
−65˚C to +150˚C
= 500 mA to 1.45A
= 500 mA
= 500 mA to 1.45A
= 400 mA to 1.75A
= 400 mA
= 400 mA to 1.75A
= −30 µA to +30 µA
= 1.0V
= 1.0V
= 0.5V to 1.6V
= 1.0 MΩ (Note 6)
Conditions
Conditions
COMP
FB
(Note 1)
LOAD
J
J
LOAD
SW
= 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
≤ 2 V
IN
≤ 2.4V
≤ 45V
≤ 65V
260˚C
= 750 mA
= 1A
OUT
2
Operating Ratings
Maximum Junction
Power Dissipation (Note 3)
Minimum ESD Rating
Supply Voltage
Output Switch Voltage
Output Switch Current
Junction Temperature Range
Temperature (Note 3)
(C = 100 pF, R = 1.5 kΩ
Typical
1.193
Typical
260
3.3
3.3
2.0
20
20
75
5.0
5.0
20
20
80
3.242/3.234
3.17/3.14
4.913/4.900
151/75
4.80/4.75
0.678
Min
Min
3.358/3.366
5.088/5.100
3.43/3.46
5.20/5.25
−40˚C ≤ T
50/100
50/100
50/100
50/100
2.259
Max
Max
Internally Limited
0V ≤ V
4V ≤ V
J
I
SW
SW
≤ +125˚C
IN
≤ 5.0A
150˚C
≤ 40V
≤ 60V
mmho
Units
Units
2 kV
mV
mV
mV
mV
mV
V/V
%
V
V
%
V
V