lm5025cmtcx National Semiconductor Corporation, lm5025cmtcx Datasheet - Page 5

• Manufacturer Part Number: lm5025cmtcx
• 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
CC
CC
REF
Symbol
V
V
CS1, CS2 to GND
All other inputs to GND
ESD Rating (Note 2)
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
perature range. V
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
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)
CS2 Sink Impedance
(Post Fault Discharge)
CS1 and CS2 Leakage
Current
CC
CC
CC
CC
CC
Regulation
Current Limit
Under-voltage
Under-voltage
Supply Current (I
Parameter
cc
IN
)
= 48V, V
CC
CC
= 10V, RT = 32 kΩ, R
) C
No Load
(Note 4)
V
I
I
CS1 Step from 0 to 0.6V
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 = 0.4V
CS1 = 0.6V
CS2 = 0.6V
CS = CS Threshold - 100mV
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 10 mA
= 0
= 0
= 0
J
Conditions
(Note 1)
= 25°C, and those with boldface type apply over full Operating Junction Tem-
SET
= 27.4 kΩ) unless otherwise stated (Note 3)
5
Storage Temperature Range
Junction Temperature
V
External Voltage Applied to V
Operating Junction Temperature
Operating Ratings
IN
Human Body Model
Voltage
V
CC
220mV
4.85
0.45
0.45
Min
7.3
1.0
40
10
Reg -
V
CC
120mV
Typ
165
7.6
1.5
0.5
0.5
55
25
20
40
50
50
30
15
55
Reg -
5
CC
(Note 1)
2kV
-55°C to 150°C
150°C
Max
5.15
0.55
0.55
500
7.9
2.0
4.2
50
50
30
85
1
-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
V
V
V
V
V
V
Ω
Ω
Ω