LM2585T-ADJ National Semiconductor, LM2585T-ADJ Datasheet - Page 2

• Manufacturer Part Number: LM2585T-ADJ
• Description: DC/DC Converter IC
• Manufacturer: National Semiconductor

Specifications of LM2585T-ADJ

• Input Voltage: 40V
• Output Voltage: 37V
• No. Of Outputs: 1
• No. Of Pins: 5
• Termination Type: Through Hole
• Mounting Type: Through Hole
• Output Current Max: 0.5A
• Peak Reflow Compatible (260 C): No
• Supply Voltage Max: 40V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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