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LM2567 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM2567
Description  LAN DC/DC Converter
PDF  8 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2567 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
40V
Output Switch Voltage
50V
Output Switch Current
60A
Power Dissipation
Internally Limited
Storage Temperature Range
b
65 Cto a150 C
Lead Temperature (Soldering 10 sec)
260 C
Maximum Junction Temperature
150 C
Minimum ESD Rating (C e 100 pF R e 15 kX)2 kV
Operating Ratings
Supply Voltage
35V s VIN s 35V
Output Switch Voltage
0V s VSW s 45V
Output Switch Current
ISW s 30A
Junction Temperature Range
0 C s TJ s a125 C
Ambient Temperature Range
0 C s TA s a70 C
Electrical Characteristics
Specifications with standard type face are for TJ e 25 C and those in bold typeface apply over full Operating Temperature
Range
Unless otherwise specified VIN e 5V VFB e VREF and ISWITCH e 0 (Note 2)
Symbol
Parameter
Conditions
Typ
Min
Max
Units
GENERAL DEVICE PARAMETERS
IS
Input Supply Current
VFB e 15V (Switch Off)
75
100
mA
140
mA
ISW e 20A
20
50
mA
VCOMP e 20V (Max Duty Cycle)
85
mA
VUV
Input Supply
ISW e 100 mA
290
260
310
V
Undervoltage Lockout
VCOMP e 12V
255
315
V
fO
Oscillator Frequency
Measured at Switch Pin
52
48
56
kHz
ISW e 100 mA
42
62
kHz
VREF
Reference Voltage
Measured at Feedback Pin
1230
1214
1246
V
VIN e 35V to 35V
1206
1254
V
VCOMP e 10V
D
VREF
Reference Voltage
VIN e 35V to 35V
05
mV
D
VIN
Line Regulation
iJA
Thermal Resistance
Junction-to-Ambient (Note 3)
100
CW
ERROR AMPLIFIER PARAMETERS
IB
Error Amp
VCOMP e 10V
100
300
nA
Input Bias Current
800
nA
GM
Error Amp
ICOMP eb30 mAto a30 mA
3700
2400
4800
m
mho
Transconductance
VCOMP e 10V
1600
5800
m
mho
AV
Error Amp
VCOMP e 11V to 16V
800
500
VV
Voltage Gain
RCOMP e 10 MX (Note 4)
250
VV
Error Amp
Upper Limit
24
22
V
Output Swing
VFB e 10V
20
V
Lower Limit
03
040
V
VFB e 15V
055
V
Error Amp
VFB e 10V to 15V
g
200
g
130
g
300
m
A
Output Current
VCOMP e 10V
g
90
g
400
m
A
ISS
Soft Start Current
VFB e1 0V
50
25
75
m
A
VCOMP e 0V
15
95
m
A
D
Maximum Duty Cycle
VCOMP e 12V
95
93
%
ISW e 100 mA
88
%
2



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