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參數資料
| 型號： | LM78S40CN |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 5/10頁 |
| 文件大小： | 289K |
| 代理商： | LM78S40CN |
Typical Performance Characteristics
Design Formulas
Characteristic
Step-Down
Step-Up
Inverting
Units
(t
on
+ t
off
) Max
μs
C
T
I
pk
4 x 10
5
t
on
2 I
O Max
4 x 10
5
t
on
4 x 10
5
t
on
μF
A
L
Min
μH
R
SC
C
O
0.33/I
pk
0.33/I
pk
0.33/I
pk
μF
Note 6:
V
SAT
= Saturation voltage of the switching element.
V
D
= Forward voltage of the flyback diode.
C
T
vs OFF Time
DS010057-6
Reference Voltage vs
Junction Temperature
DS010057-7
Discharge Current vs
Input Voltage
DS010057-8
Current Limit Sense
Voltage vs Input Voltage
DS010057-9
5
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM78S40CN | 制造商:Texas Instruments 功能描述:IC SWITCHING REGULATOR |
| LM78S40CN/NOPB | 功能描述:直流/直流開關轉換器 Uni Switching Reg Subsystem RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| LM78S40CN/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu |
| LM78S40J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LM78S40J/883 | 制造商:National Semiconductor Corporation 功能描述:Conv DC-DC Single Step Down 2.5V to 40V 16-Pin CDIP Rail 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Down 2.5V to 40V 16-Pin CDIP Rail |
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