LM2585SX-ADJ National Semiconductor, LM2585SX-ADJ Datasheet - Page 3

• Manufacturer Part Number: LM2585SX-ADJ
• Description: IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,SIP,5PIN,PLASTIC
• Manufacturer: National Semiconductor

Specifications of LM2585SX-ADJ

• Rohs Compliant: NO

SYSTEM PARAMETERS Test Circuit of Figure 2 (Note 4)
V
ΔV
ΔV
ΔV
ΔI
η
UNIQUE DEVICE PARAMETERS (Note 5)
V
ΔV
G
A
SYSTEM PARAMETERS Test Circuit of Figure 2 (Note 4)
V
ΔV
ΔV
ΔV
ΔI
η
UNIQUE DEVICE PARAMETERS (Note 5)
V
Symbol
OUT
REF
VOL
OUT
REF
M
LOAD
LOAD
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
LM2585-3.3
Specifications with standard type face are for T
Range. Unless otherwise specified, V
LM2585-5.0
Symbol
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
Voltage
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
Measured at Feedback Pin
V
−0.4V
LOAD
LOAD
LOAD
COMP
LOAD
LOAD
LOAD
IN
IN
IN
IN
COMP
IN
COMP
COMP
COMP
IN
IN
IN
IN
COMP
IN
−0.4V
= 4V to 12V
= 4V to 12V
= 12V
= 5V, I
= 4V to 40V
= 4V to 12V
= 4V to 12V
= 12V
= 12V, I
−0.4V
= 5V.
−0.4V
= 0.3A to 1.2A
= 0.3A
= 0.3A to 1.2A
= 0.3A to 1.1A
= 0.3A
= 0.3A to 1.1A
= −30 μA to +30 μA
Internally Limited
−65°C to +150°C
= 1.0V
= 1.0V
= 0.5V to 1.6V
= 1.0V
= 1.0 MΩ (Note 6)
≤
V
≤
LOAD
Conditions
Conditions
J
COMP
≤
(Note 1)
LOAD
≤
V
= 25°C, and those in bold type face apply over full Operating Temperature
V
SW
V
IN
= 0.3A
FB
≤
= 0.6A
260°C
≤
≤
≤
2.4V
45V
65V
2V
3
Maximum Junction Temperature
(Note 3)
Power Dissipation (Note 3)
Minimum ESD Rating
Supply Voltage
Output Switch Voltage
Output Switch Current
Junction Temperature Range
(C = 100 pF, R = 1.5 kΩ)
Typical
Typical
1.193
260
3.3
3.3
2.0
20
20
76
5.0
5.0
20
20
80
3.242/3.234
4.913/4.900
3.17/3.14
4.80/4.75
Operating Ratings
151/75
0.678
Min
Min
5.088/5.100
3.358/3.366
5.20/5.25
−40°C
3.43/3.46
50/100
50/100
50/100
50/100
2.259
Max
Max
Internally Limited
0V
4V
≤
≤
T
≤
www.national.com
V
J
I
SW
V
≤
SW
IN
+125°C
≤
150°C
≤
≤
Units
mmho
Units
3.0A
2 kV
mV
mV
40V
60V
mV
mV
mV
V/V
%
V
V
%
V
V