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參數(shù)資料
| 型號(hào)： | BA00ST |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | Regulator, low drop-out type with ON/OFF switch |
| 中文描述： | 穩(wěn)壓器，低壓降與在類(lèi)型/ OFF開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 9/10頁(yè) |
| 文件大?。?/td> | 119K |
| 代理商： | BA00ST |
BA
ΟΟ
ST / BA
ΟΟ
SFP series
Regulator ICs
(9) When the connected load which contains a big inductance component in an output terminal is connected and the
occurrence of a reverse electromotive force can be considered at the time of and power-output OFF at the time of starting,
I ask the insertion of protection diode of you.
(Example)
Output
pin
(10) Although it is sure that the example of an application circuit should be recommended, in a usage, I fully ask the
validation of a property of you.
In addition, when you alter the circuit constant with outside and you become a usage, please see and decide sufficient
margin in consideration of the dispersion in an external component and IC of our company etc. not only including the static
characteristic but including a transient characteristic.
This IC is monolithic IC and has P+ isolation and P substrate for an isolation between each element.
A P-N junction is formed by these P layers and N layers of each element, and various kinds of parasitic elements are
formed. For example, when the resistor and the transistor are connected with the pin like the example of a simple
architecture,
At a resistor, it is at the time of GND
>
(PIN A), at a transistor (NPN), it is at the time of GND
>
(PIN B),
A P-N junction operates as parasitism diode.
At a transistor (NPN), it is at the time of GND
>
(PIN B),
The NPN transistor of a parasitic element operates by N layers of other elements which approach with the above-
mentioned parasitism diode.
A parasitic element is inevitably made according to a potential relation on the architecture of IC.
When a parasitic element operates, the interference of a circuit operation is caused and the cause of a malfunction, as a
result a destructive is obtained.
Therefore, please be fully careful of impressing a voltage lower than GND(P substrate) to an input/output terminal etc. not
to carry out usage with which a parasitic element operates.
(Pin A)
(Pin A)
Resistor
P substrate
N
GND
GND
N
P
N
P+
P+
Parasitic elements
Parasitic elements
(Pin B)
Transistor (NPN)
B
E
P substrate
N
C
GND
N
N
P
N
P+
P+
Parasitic elements
Parasitic elements
GND
(Pin B)
GND
C
E
B
Other approaching
elements
The example of a simple architecture of bipolar IC
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相關(guān)代理商/技術(shù)參數(shù) |
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| BA00ST_1 | 制造商:ROHM 制造商全稱(chēng):Rohm 功能描述:Regulator, low drop-out type with ON/OFF switch BA????ST / BA????SFP series |
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