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LM5025AMTC 데이터시트(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
부품명 LM5025AMTC
상세설명  Active Clamp Voltage Mode PWM Controller
PDF  16 Pages
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제조업체  NSC [National Semiconductor (TI)]
홈페이지  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM5025AMTC 데이터시트(HTML) 5 Page - National Semiconductor (TI)

  LM5025AMTC Datasheet HTML 1Page - National Semiconductor (TI) LM5025AMTC Datasheet HTML 2Page - National Semiconductor (TI) LM5025AMTC Datasheet HTML 3Page - National Semiconductor (TI) LM5025AMTC Datasheet HTML 4Page - National Semiconductor (TI) LM5025AMTC Datasheet HTML 5Page - National Semiconductor (TI) LM5025AMTC Datasheet HTML 6Page - National Semiconductor (TI) LM5025AMTC Datasheet HTML 7Page - National Semiconductor (TI) LM5025AMTC Datasheet HTML 8Page - National Semiconductor (TI) LM5025AMTC Datasheet HTML 9Page - National Semiconductor (TI) Next Button
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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
-0.3V to 105V
V
CC to GND
-0.3V to 16V
CS1, CS2 to GND
-0.3 to 1.00V
All other inputs to GND
-0.3 to 7V
ESD Rating (Note 2)
Human Body Model
2kV
Storage Temperature Range
-55˚C to 150˚C
Junction Temperature
150˚C
Operating Ratings (Note 1)
V
IN Voltage
13 to 90V
External Voltage Applied to V
CC
8to15V
Operating Junction Temperature
-40˚C to +125˚C
Electrical Characteristics
Specifications with standard typeface are for T
J = 25˚C, and those with boldface type apply over full Operating Junction
Temperature range.V
IN = 48V, VCC = 10V, RT = 31.3k
Ω,R
SET = 27.4k
Ω) unless otherwise stated (Note 3)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Startup Regulator
V
CC Reg
V
CC Regulation
No Load
7.3
7.6
7.9
V
V
CC Current Limit
(Note 4)
20
25
mA
I-V
IN
Startup Regulator
Leakage (external Vcc
Supply)
V
IN = 100V
165
500
µA
V
CC Supply
V
CC Under-voltage
Lockout Voltage
(positive going V
cc)
V
CC Reg -
220mV
V
CC Reg -
120mV
V
V
CC Under-voltage
Hysteresis
1.0
1.5
2.0
V
V
CC Supply Current
(I
CC)
C
gate =0
4.2
mA
Reference Supply
V
REF
Ref Voltage
I
REF =0mA
4.85
5
5.15
V
Ref Voltage
Regulation
I
REF = 0 to 10mA
25
50
mV
Ref Current Limit
10
20
mA
Current Limit
CS1 Prop
CS1 Delay to Output
CS1 Step from 0 to 0.6V
Time to onset of OUT
Transition (90%)
C
gate =0
40
ns
CS2 Prop
CS2 Delay to Output
CS2 Step from 0 to 0.6V
Time to onset of OUT
Transition (90%)
C
gate =0
50
ns
Cycle by Cycle
Threshold Voltage
(CS1)
0.45
0.5
0.55
V
Cycle Skip Threshold
Voltage (CS2)
Resets SS capacitor; auto
restart
0.45
0.5
0.55
V
Leading Edge
Blanking Time (CS1)
50
ns
CS1 Sink Impedance
(clocked)
CS1 = 0.4V
30
50
Ω
CS1 Sink Impedance
(Post Fault Discharge)
CS1 = 0.6V
15
30
Ω
www.national.com
5



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