LM2585S-12/NOPB National Semiconductor, LM2585S-12/NOPB Datasheet - Page 4

IC MULTI CONFIG 12V 3A TO263-5

LM2585S-12/NOPB

Manufacturer Part Number
LM2585S-12/NOPB
Description
IC MULTI CONFIG 12V 3A TO263-5
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Up (Boost), Flyback, Forward Converterr
Datasheets

Specifications of LM2585S-12/NOPB

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
12V
Current - Output
3A
Frequency - Switching
100kHz
Voltage - Input
4 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
D²Pak, TO-263 (5 leads + tab)
Current, Input Bias
126 nA
Current, Output
3 A
Current, Supply
11 mA
Frequency, Oscillator
100 kHz
Package Type
TO-263
Regulation, Line
20 mV
Regulation, Load
20 mV
Regulator Type
Boost (Step-Up)
Resistance, Thermal, Junction To Case
2 °C/W
Temperature, Operating, Range
-40 to +125 °C
Transconductance
0.328
Voltage, Gain
70 V/V
Voltage, Input
4 to 40 V
Voltage, Output
12 V
Primary Input Voltage
5V
No. Of Outputs
1
Output Voltage
12V
Output Current
3A
No. Of Pins
5
Operating Temperature Range
-40°C To +125°C
Msl
MSL 3 - 168 Hours
Filter Terminals
SMD
Rohs Compliant
Yes
For Use With
551011367-061 - BOARD WEBENCH LM2577,LM2585/87
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
RoHS Compliant part Electrostatic Device
Other names
*LM2585S-12
*LM2585S-12/NOPB
LM2585S-12
I
COMMON DEVICE PARAMETERS for all versions (Note 5)
I
V
f
f
V
I
I
D
I
V
V
I
θ
θ
θ
θ
θ
θ
θ
B
S
O
SC
EAO
SS
L
CL
JA
JA
JC
JA
JA
JA
JC
Symbol
Symbol
UV
EAO
SUS
SAT
Electrical Characteristics (All Versions)
Error Amp
Input Bias Current
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
Parameters
Parameters
V
(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
S Package, Junction to Ambient
(Note 12)
S Package, Junction to Ambient
(Note 13)
S Package, Junction to Ambient
(Note 14)
S Package, Junction to Case
SWITCH
SWITCH
COMP
LOAD
LOAD
COMP
LOAD
FEEDBACK
FEEDBACK
COMP
LOAD
SWITCH
= 100Ω
= 100Ω
= 100Ω
= 100Ω
= 1.0V
= 1.0V
= 1.0V
= 1.8A
= 3.0A
= 60V
Conditions
Conditions
= 1.15V
= 0.92V
5
Typical
Typical
3.30
0.25
11.0
0.45
125
100
165
2.8
4.0
11
50
25
98
15
65
45
56
35
26
2
2
2.6/2.4
110/70
8.0/7.0
85/75
93/90
3.05
Min
Min
3.0
65
15.5/16.5
0.40/0.55
17.0/19.0
425/600
100/115
115/125
260/320
300/600
0.65/0.9
Max
Max
3.75
7.0
Units
Units
°C/W
kHz
kHz
mA
mA
nA
μA
μA
μA
%
V
V
V
V
V
A

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