LM5033SDX National Semiconductor, LM5033SDX Datasheet - Page 4

• Manufacturer Part Number: LM5033SDX
• Description: 100V Push-Pull Voltage Mode PWM Controller
• Manufacturer: National Semiconductor

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V
V
Icc-out
Iin
UVT
Icc-in
2.5V Reference (Pin 2)
Vref
Current Sense (Pin 8)
CS
Softstart (Pin 10)
Symbol
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Specifications with standard typeface are for T
Temperature range. V
5).
CC
CC
V
V
Rt/Sync to GND
Pins 3, 8, 10 to GND
ESD Rating (Note 3)
IN
CC
Reg
Startup Regulator (Pins 1, 4)
to GND
to GND
Parameter
V
V
Startup Regulator
Current into V
V
Threshold (increasing
V
UVT Hysteresis
(decreasing V
Supply Current from
external source to V
Output voltage
Current sink capability
Threshold voltage
CS delay to output
Current sink capability
(clocked)
Softstart current
source
Softstart to Comp
offset
Open Circuit Voltage
CC
CC
CC
CC
)
Voltage
Current Limit
Undervoltage
IN
IN
CC
= 48V, V
)
CC
CC
Pin 4 open
Out1, Out2 disabled. Ext.
supply to Vcc
disconnected.
Normal Operation
V
Ext. V
Disconnected and
Output Load = 1800pF
SS Pin = 0V
SS Pin = 0V
SS Pin = open and
Output Load = 1800pF
Pin 2 sink current = 5mA
Pin 8 taken from zero to
0.6V. Time for Out1 or
Out2 to fall to 90% of
Vcc. CLoad = 0
Out2
Pin 8 ≤ 0.3V
= 10V applied externally, R
IN
-0.3V to 100V
-0.3V to 16V
-0.3V to 5.5V
-0.3V to 7.0V
= 90V
CC
Conditions
J
Supply
(Note 1)
= 25˚C, and those with boldface type apply over full Operating Junction
@
Out1,
4
T
= 26.7kΩ, unless otherwise stated. See (Note 4) and (Note
Operating Ratings
VccReg -
Storage Temperature Range
Junction Temperature
Power Dissipation (Note 2)
V
Operating Junction Temperature
300mV
IN
2.44
0.45
0.25
Min
9.2
2.3
5.0
20
Voltage (Pin1)
3
7
Human Body Model
VccReg - 100
2.50
0.50
0.50
Typ
150
9.6
mV
2.8
5.0
34
13
30
10
7
3
2
7
6
(Note 1)
Max
10.0
2.56
0.55
0.75
500
3.3
13
3
2kV
-65˚C to 150˚C
150˚C
Internally Limited
-40˚C to 125˚C
15 to 90V
Units
mA
mA
mA
mA
mA
mA
µA
µA
ns
V
V
V
V
V
V