lm2588sx-adj National Semiconductor Corporation, lm2588sx-adj Datasheet - Page 5

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

UNIQUE DEVICE PARAMETERS (Note 5)
V
∆V
G
A
I
I
I
V
f
f
V
I
I
D
I
V
V
B
S
S/D
O
SC
EAO
SS
L
REF
VOL
UV
EAO
SUS
SAT
Symbol
M
Symbol
MAX
LM2588-ADJ Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
All Output Voltage Versions Electrical Characteristics
Specifications with standard type face are for T
Range. Unless otherwise specified, V
REF
Output Reference
Voltage
Reference Voltage
Line Regulation
Error Amp
Transconductance
Error Amp
Voltage Gain
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 R
Switch Leakage
Current
Switch Sustaining
Voltage
Switch Saturation
Voltage
Parameters
Parameters
Measured at Feedback Pin
V
V
I
V
V
R
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
(Note 7)
Switch Off
V
dV/dT = 1.5V/ns
I
COMP
SWITCH
SWITCH
COMP
IN
COMP
COMP
COMP
SH
FEEDBACK
FEEDBACK
COMP
SWITCH
COMP
LOAD
LOAD
SET
LOAD
LOAD
IN
IN
= 4V to 40V
= 3V
= 22 kΩ
= 5V.
= 5V.
= −30 µA to +30 µA
= 100Ω
= 100Ω, V
= 100Ω
= 100Ω
= 1.0V
= 1.0V
= 0.5V to 1.6V
= 1.0 MΩ (Note 6)
= 1.0V
= 1.0V
= 3.0A
= 5.0A
= 60V
= 1.15V
= 0.92V
Conditions
Conditions
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
COMP
= 1.0V
5
(Continued)
Typical
Typical
1.230
3.200
3.30
0.25
11.0
670
125
100
200
165
1.5
2.8
0.7
11
85
16
25
98
15
1.208/1.205
400/200
2.6/2.4
110/70
8.0/7.0
1.800
85/75
93/90
3.05
Min
Min
65
(Note 5)
1.252/1.255
15.5/16.5
0.40/0.55
17.0/19.0
425/600
140/165
100/300
115/125
260/320
300/600
1.1/1.4
6.000
Max
Max
3.75
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mmho
Units
Units
kHz
kHz
kHz
V/V
mV
mA
mA
nA
µA
µA
µA
µA
%
V
V
V
V
V
V