lm5025-mdc National Semiconductor Corporation, lm5025-mdc Datasheet - Page 5

• Manufacturer Part Number: lm5025-mdc
• Description: Active Clamp Voltage Mode Pwm Controller
• Manufacturer: National Semiconductor Corporation

Startup Regulator
V
I-V
V
Reference Supply
V
Current Limit
CS1 Prop
CS2 Prop
Symbol
Absolute Maximum Ratings
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please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Specifications with standard typeface are for T
Temperature range. V
CC
CC
REF
V
V
CS1, CS2 to GND
All other inputs to GND
ESD Rating (Note 2)
IN
IN
CC
Human Body Model
Reg
Supply
to GND
to GND
V
V
Startup Regulator
Leakage (external Vcc
Supply)
Shutdown Current (Iin)
V
Lockout Voltage
(positive going V
V
Hysteresis
V
(I
Ref Voltage
Ref Voltage
Regulation
Ref Current Limit
CS1 Delay to Output
CS2 Delay to Output
Cycle by Cycle
Threshold Voltage
(CS1)
Cycle Skip Threshold
Voltage (CS2)
Leading Edge
Blanking Time
CS Sink Impedance
(clocked)
CC
CC
CC
CC
CC
CC
)
Regulation
Current Limit
Under-voltage
Under-voltage
Supply Current
Parameter
IN
= 48V, V
cc
)
CC
No Load
(Note 4)
V
UVLO = 0V
C
I
I
CS1 Step from 0 to 0.4V
Time to onset of OUT
Transition (90%)
C
CS2 Step from 0 to 0.4V
Time to onset of OUT
Transition (90%)
C
Resets SS capacitor;
auto restart
I
= 10V, RT = 31.3kΩ, R
REF
REF
CS
IN
gate
gate
gate
-0.3V to 100V
-0.3V to 16V
-0.3 to 1.00V
-0.3 to 7V
2kV
= 10mA
= 100V
= 0 mA
= 0 to 10mA
= 0
= 0
= 0
Conditions
J
(Note 1)
= 25˚C, and those with boldface type apply over full Operating Junction
SET
5
= 27.4kΩ) unless otherwise stated (Note 3)
V
- 220mV
Operating Ratings
Storage Temperature Range
Junction Temperature
V
External Voltage Applied to V
Operating Junction Temperature
CC
4.85
0.22
0.22
Min
IN
7.3
1.0
20
10
Machine Model
Reg
Voltage
V
CC
120mV
0.25
0.25
Typ
165
350
7.6
1.5
25
25
20
40
50
50
30
5
Reg -
CC
(Note 1)
Max
5.15
0.28
0.28
500
450
7.9
2.0
4.2
50
50
200V
-55˚C to 150˚C
150˚C
-40˚C to +125˚C
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13 to 90V
8 to 15V
Units
mA
mA
mV
mA
µA
µA
ns
ns
ns
Ω
V
V
V
V
V
V