lm5025bmtcx National Semiconductor Corporation, lm5025bmtcx Datasheet - Page 5

• Manufacturer Part Number: lm5025bmtcx
• 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
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
CC
CC
REF
V
V
CS1, CS2 to GND
All other inputs to GND
ESD Rating (Note 2)
IN
IN
CC
Reg
Supply
to GND
to GND
V
V
Startup Regulator
Leakage (external Vcc
Supply)
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 (CS1)
CS1 Sink Impedance
(clocked)
CS1 Sink Impedance
(Post Fault Discharge)
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
C
I
I
CS1 Step from 0 to 0.4V
Time to onset of OUT
Transition (90%)
C
CS2 Step from 0 to 0.6V
Time to onset of OUT
Transition (90%)
C
Resets SS capacitor; auto
restart
CS1 = 0.2V
CS1 = 0.3V
= 10V, RT = 26.7kΩ, R
REF
REF
IN
gate
gate
gate
-0.3V to 105V
-0.3V to 16V
-0.3 to 1.00V
-0.3 to 7V
= 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)
Operating Ratings
Storage Temperature Range
Junction Temperature
V
External Voltage Applied to V
Operating Junction Temperature
IN
Human Body Model
V
Voltage
CC
220mV
4.85
0.22
0.45
Min
7.3
1.0
20
10
Reg -
V
CC
120mV
0.25
Typ
165
7.6
1.5
0.5
25
25
20
40
50
50
30
55
5
Reg -
CC
(Note 1)
Max
5.15
0.28
0.55
500
7.9
2.0
4.2
50
50
95
2kV
-55˚C to 150˚C
150˚C
-40˚C to +125˚C
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13 to 100V
8 to 15V
Units
mA
mA
mV
mA
µA
ns
ns
ns
Ω
Ω
V
V
V
V
V
V