參數(shù)資料
型號: LM5030MMX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 100V Push-Pull Current Mode PWM Controller
中文描述: SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO10
封裝: MSOP-10
文件頁數(shù): 4/11頁
文件大小: 230K
代理商: LM5030MMX
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 1)
V
IN
to GND (Survival)
V
CC
to GND (Survival)
RT to GND (Survival)
All other pins to GND (Survival)
Power Dissipation (Note 2)
ESD Rating (Note 3)
Human Body Model
Machine Model
-0.3V to 100V
-0.3V to 16V
-0.3V to 5.5V
-0.3V to 7V
Internally Limited
2kV
200V
Lead Temperature
(Soldering 4 seconds)
Storage Temperature Range
Junction Temperature
260C
-55C to +150C
150C
Operating Ratings
Junction Temperature
V
IN
-40C to +105C
14V to 90V
Electrical Characteristics
Specifications in standard type face are for T
J
= +25C and those in
boldface type
apply over the full operating junction tem-
perature range. Unless otherwise specified: V
IN
= 48V, V
CC
= 10V, and RT = 26.7K
Symbol
Parameter
Conditions
Min
(Note 4)
Typ
(Note 5)
Max
(Note 4)
Units
Startup Regulator
V
CC
Reg
V
CC
Regulation
V
CC
Current Limit
Startup Regulator Leakage
(external Vcc Supply)
Shutdown Current
open ckt
(Note 2)
V
IN
= 90V
7.4
10
7.7
17
150
8.0
V
mA
μA
I-V
IN
500
I
IN
V
CC
Supply
SS = 0V, V
CC
= open
250
350
μA
V
CC
undervoltage Lockout
Voltage
Undervoltage Hysteresis
Supply Current
VccReg
- 300mV
1.2
VccReg -
100mV
1.6
2
V
2.1
3
V
I
CC
Error Amplifier
GBW
Cload = 0
mA
Gain Bandwidth
DC Gain
Input Voltage
COMP Sink Capability
4
75
MHz
dB
V
mA
V
FB
= COMP
V
FB
= 1.5V COMP= 1V
1.220
5
1.245
13
1.270
Current Limit
CS1
Cycle by Cycle CS Threshold
Voltage
Restart CS Threshold Voltage
0.45
0.5
0.55
V
CS2
Resets SS capacitor; auto
restart
CS step from 0 to 0.6V
Time to onset of OUT
Transition (90%)
Cload = 0
CS = 0.3V
0.575
0.625
0.675
V
ILIM Delay to Output
30
ns
CS Sink Current (clocked)
3
6
mA
Soft Start/Shutdown
Softstart Current Source
Softstart to COMP Offset
Shutdown Threshold
7
10
0.5
0.45
13
0.75
0.7
μA
V
V
0.25
0.2
L
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