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參數(shù)資料
| 型號： | LM5020 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 100V Current Mode PWM Controller |
| 中文描述： | 100V的電流模式PWM控制器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 229K |
| 代理商： | LM5020 |
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
V
CC
to GND
RT to GND
All other pins to GND
Power Dissipation
ESD Rating (Note 2)
Human Body Model
-0.3V to 100V
-0.3V to 16V
-0.3V to 5.5V
-0.3V to 7V
Internally Limited
2kV
Storage Temperature
Junction Temperature
-55C to +150C
150C
Operating Ratings
V
IN
Voltage
External Voltage applied to V
CC
Operating Junction Temperature
13V to 90V
8V to 15V
-40C to +125C
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 = 31.6K
Symbol
Parameter
Conditions
Startup Regulator
V
CC
Reg
V
CC
Regulation
Open ckt
V
CC
Current Limit
(Note 4)
I-V
IN
Startup Regulator Leakage
V
IN
= 100V
I
IN
Shutdown Current
V
UVLO
= 0V, V
CC
= open
V
CC
Supply
V
CC
UVLO (Rising)
Min
Typ
Max
Units
7.4
15
7.7
22
150
250
8.0
V
mA
μA
μA
500
350
VccReg
- 300mV
5.3
VccReg -
100mV
6.0
2
V
V
CC
UVLO (Falling)
Supply Current
6.7
3
V
I
CC
Error Amplifier
GBW
Cload = 0
mA
Gain Bandwidth
DC Gain
Input Voltage
COMP Sink Capability
4
75
1.25
17
MHz
dB
V
mA
V
FB
= COMP
V
FB
= 1.5V COMP= 1V
1.225
5
1.275
Line UVLO Shutdown
Shutdown Threshold
Undervoltage Shutdown
Hysteresis Current Source
1.225
16
1.25
20
1.275
24
V
μA
Current Limit
ILIM Delay to Output
CS step from 0 to 0.6V
Time to onset of OUT
Transition (90%)
30
ns
CS
Cycle by Cycle CS Threshold
Voltage
Leading Edge Blanking Time
CS Sink Impedance (clocked)
0.45
0.5
0.55
V
50
35
ns
55
Soft Start
Softstart Current Source
Softstart to COMP Offset
7
10
0.55
13
0.75
μA
V
0.35
L
www.national.com
4
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM5020_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:100V Current Mode PWM Controller |
| LM5020EVAL | 功能描述:電源管理IC開發(fā)工具 LM5020 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LM5020EVAL/NOPB | 功能描述:電源管理IC開發(fā)工具 LM5020 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LM5020MM-1 | 功能描述:電流型 PWM 控制器 RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| LM5020MM-1/MEY8 | 制造商:Texas Instruments 功能描述: |
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