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参数资料
| 型号： | LM5025CCMTE |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | TSSOP-16 |
| 文件页数： | 12/16页 |
| 文件大小： | 369K |
| 代理商： | LM5025CCMTE |
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
8 to 15V
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 Tem-
perature range
. V
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Startup Regulator
V
CC Reg
V
CC Regulation
No Load
7.3
7.6
7.9
V
CC Current Limit
(Note 4)
40
55
mA
I-V
IN
Startup Regulator
Leakage (external Vcc
Supply)
V
IN = 100V
165
500
A
V
CC Supply
V
CC Under-voltage
Lockout Voltage (positive
going V
cc)
V
CC Reg -
220mV
V
CC Reg -
120mV
V
CC Under-voltage
Hysteresis
1.0
1.5
2.0
V
CC Supply Current (ICC)
C
gate = 0
4.2
mA
Reference Supply
V
REF
Ref Voltage
I
REF = 0 mA
4.85
5
5.15
V
Ref Voltage Regulation
I
REF = 0 to 10 mA
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
CS1 Sink Impedance
(Post Fault Discharge)
CS1 = 0.6V
15
30
CS2 Sink Impedance
(Post Fault Discharge)
CS2 = 0.6V
55
85
CS1 and CS2 Leakage
Current
CS = CS Threshold - 100mV
1
A
5
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LM5025C
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