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LM5030MMX Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No. de pieza LM5030MMX
Descripción Electrónicos  100V Push-Pull Current Mode PWM Controller
Download  12 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM5030MMX Datasheet(HTML) 4 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN to GND (Survival)
-0.3V to 100V
V
CC to GND (Survival)
-0.3V to 16V
RT to GND (Survival)
-0.3V to 5.5V
All other pins to GND (Survival)
-0.3V to 7V
Power Dissipation (Note 2)
Internally Limited
ESD Rating (Note 3)
Human Body Model
Machine Model
2kV
200V
Lead Temperature
(Soldering 4 seconds)
260˚C
Storage Temperature Range
-55˚C to +150˚C
Junction Temperature
150˚C
Operating Ratings
Junction Temperature
-40˚C to +105˚C
V
IN
14V to 90V
Electrical Characteristics
Specifications in standard type face are for T
J= +25˚C and those in boldface type apply over the full operating junction tem-
perature range. Unless otherwise specified: V
IN = 48V, VCC = 10V, and RT = 26.7K
Ω
Symbol
Parameter
Conditions
Min
(Note 4)
Typ
(Note 5)
Max
(Note 4)
Units
Startup Regulator
V
CCReg
V
CC Regulation
open ckt
7.4
7.7
8.0
V
V
CC Current Limit
(Note 2)
10
17
mA
I-V
IN
Startup Regulator Leakage
(external Vcc Supply)
V
IN = 90V
150
500
µA
I
IN
Shutdown Current
SS = 0V, V
CC = open
250
350
µA
V
CC Supply
V
CC undervoltage Lockout
Voltage
VccReg
- 300mV
VccReg -
100mV
V
Undervoltage Hysteresis
1.2
1.6
2.1
V
I
CC
Supply Current
Cload = 0
2
3
mA
Error Amplifier
GBW
Gain Bandwidth
4
MHz
DC Gain
75
dB
Input Voltage
V
FB = COMP
1.220
1.245
1.270
V
COMP Sink Capability
V
FB = 1.5V COMP= 1V
5
13
mA
Current Limit
CS1
Cycle by Cycle CS Threshold
Voltage
0.45
0.5
0.55
V
CS2
Restart CS Threshold Voltage
Resets SS capacitor; auto
restart
0.575
0.625
0.675
V
ILIM Delay to Output
CS step from 0 to 0.6V
Time to onset of OUT
Transition (90%)
Cload = 0
30
ns
CS Sink Current (clocked)
CS = 0.3V
3
6mA
Soft Start/Shutdown
Softstart Current Source
7
10
13
µA
Softstart to COMP Offset
0.25
0.5
0.75
V
Shutdown Threshold
0.2
0.45
0.7
V
www.national.com
4


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