lm2587sx-5.0 National Semiconductor Corporation, lm2587sx-5.0 Datasheet - Page 4

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

www.national.com
∆V
G
A
I
I
V
f
f
V
I
I
D
I
V
V
I
COMMON DEVICE PARAMETERS (Note 4)
θ
θ
θ
B
Symbol
S
O
SC
EAO
SS
L
CL
JA
JA
JC
LM2587-ADJ
Electrical Characteristics
Symbol
UV
EAO
SUS
SAT
VOL
All Output Voltage Versions
Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
M
REF
Input Supply Current
Input Supply
Undervoltage Lockout
Oscillator Frequency
Short-Circuit
Frequency
Error Amplifier
Output Swing
Error Amp
Output Current
(Source or Sink)
Soft Start Current
Maximum Duty Cycle
Switch Leakage
Current
Switch Sustaining
Voltage
Switch Saturation
Voltage
NPN Switch
Current Limit
Thermal Resistance
Reference Voltage
Line Regulation
Error Amp
Transconductance
Error Amp
Voltage Gain
Error Amp
Input Bias Current
Parameters
Parameters
V
I
V
V
R
V
COMP
(Switch Off)
(Note 8)
I
R
Measured at Switch Pin
R
V
Measured at Switch Pin
R
V
Upper Limit
(Note 7)
Lower Limit
(Note 8)
(Note 9)
V
V
R
(Note 7)
Switch Off
V
dV/dT = 1.5V/ns
I
T Package, Junction to Ambient (Note 10)
T Package, Junction to Ambient (Note 11)
T Package, Junction to Case
IN
COMP
COMP
COMP
COMP
SWITCH
SWITCH
IN
LOAD
LOAD
COMP
LOAD
FEEDBACK
FEEDBACK
COMP
LOAD
SWITCH
= 4V to 40V
= 5V.
= −30 µA to +30 µA
= 1.0V
= 0.5V to 1.6V
= 1.0 MΩ (Note 6)
= 1.0V
(Note 5)
= 100Ω
= 100Ω
= 100Ω
= 100Ω
Conditions
= 1.0V
= 1.0V
(Continued)
= 3.0A
= 5.0A
= 60V
J
= 1.15V
= 0.92V
= 25˚C, and those in bold type face apply over full Operating Temperature
Conditions
4
Typical
3.200
670
125
1.5
Typical
400/200
3.30
0.25
11.0
100
165
2.8
0.7
6.5
11
85
25
98
15
65
45
1.800
2
Min
2.6/2.4
8.0/7.0
110/70
85/75
93/90
3.05
Min
5.0
65
425/600
6.000
Max
15.5/16.5
0.40/0.55
17.0/19.0
140/165
115/125
260/320
300/600
1.1/1.4
Max
3.75
9.5
mmho
Units
Units
mV
V/V
nA
kHz
kHz
mA
mA
µA
µA
µA
%
V
V
V
V
V
A