lm2586sx-5.0 National Semiconductor Corporation, lm2586sx-5.0 Datasheet - Page 5

• Manufacturer Part Number: lm2586sx-5.0
• Description: Simple Switcher 3a Flyback Regulator With Shutdown
• Manufacturer: National Semiconductor Corporation

I
COMMON DEVICE PARAMETERS for all versions (Note 5)
I
I
V
f
f
V
I
I
D
I
V
V
I
V
I
V
I
B
S
S/D
O
SC
EAO
SS
L
CL
SYNC
SH
Symbol
UV
EAO
SUS
SAT
STH
SHTH
Electrical Characteristics
LM2586-ADJ
MAX
Error Amp
Input Bias Current
Input Supply Current
Shutdown 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
Synchronization
Threshold Voltage
Synchronization
Pin Current
ON/OFF Pin (Pin 1)
Threshold Voltage
ON/OFF Pin (Pin 1)
Current
Parameters
(Continued)
V
Switch Off (Note 8)
I
V
R
Measured at Switch Pin
R
Freq. Adj. Pin Open (Pin 1)
R
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
F
V
V
V
V
(Note 10)
V
V
SWITCH
SWITCH
SYNC
COMP
SH
FEEDBACK
FEEDBACK
COMP
SWITCH
COMP
IN
COMP
COMP
COMP
SH
LOAD
LOAD
SET
LOAD
LOAD
(Continued)
= 5V
= 3V
= V
= 22 kΩ
= 200 kHz
= 100Ω
= 100Ω, V
= 100Ω
= 100Ω
= 1.0V
= 1.0V
= 1V, V
= 1V, V
= 1V
= 1V
= 1.8A
= 3.0A
SHTH
= 60V
Conditions
= 1.15V
= 0.92V
IN
SYNC
COMP
= 5V
= V
5
= 1.0V
STH
Typical
3.30
0.25
11.0
0.45
0.75
125
100
200
165
100
2.8
4.0
1.6
11
50
16
25
98
15
40
0.625/0.40
2.6/2.4
110/70
8.0/7.0
1.0/0.8
85/75
93/90
15/10
3.05
Min
3.0
65
0.875/1.00
15.5/16.5
0.40/0.55
17.0/19.0
425/600
100/115
100/300
115/125
260/320
300/600
0.65/0.9
2.2/2.4
65/75
Max
3.75
200
7.0
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Units
kHz
kHz
kHz
mA
mA
nA
µA
µA
µA
µA
µA
µA
%
V
V
V
V
V
A
V
V