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NJW4182 데이터시트 PDF




New Japan Radio에서 제조한 전자 부품 NJW4182은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 NJW4182 자료 제공

부품번호 NJW4182 기능
기능 High Voltage Ultra low current consumption Io=100mA LDO
제조업체 New Japan Radio
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NJW4182 데이터시트, 핀배열, 회로
NJW4182
High Voltage Ultra low current consumption Io=100mA LDO
GENERAL DESCRIPTION
The NJW4182 is a 100mA output Low dropout regulator with high
maximum input voltage, ultra-low current consumption and small package.
Due to the low current consumption, the NJW4182 is suitable
for light load and continuously running applications such as
power management microprocessor, RTC, protection circuit,
security system and so on.
PACKAGE OUTLINE
NJW4182KH1 NJW4182F
FEATURES
Wide Operation Voltage Range
Low Current Consumption
MLCC correspond
Output Current
High Precision Output Voltage
Internal Thermal Overload Protection
Internal Over Current Protection
Package Outline
4.0 to 40V
9μA (typ.)
IO(min.)=100mA
VO 1.0%
NJW4182U3
DFN6-H1(ESON6-H1), SOT-23-5, SOT-89-3
PIN CONFIGRATION
(Top View) (Bottom View)
6 54
1 23
1 23
6 54
Exposed Pad on backside
connect to GND
NJW4182KH1
BLOCK DIAGRAM
1. N.C.
2. GND
3. N.C
4. VIN
5. N.C
6. VOUT
54
12 3
1. N.C.
2. GND
3. N.C
4. VOUT
5. VIN
NJW4182F
1.VOUT
2.GND
3.VIN
123
NJW4182U3
Ver.2014-09-29
-1-




NJW4182 pdf, 반도체, 판매, 대치품
NJW4182
POWER DISSIPATION vs. AMBIENT TEMPERATURE
2000
NJW4182KH1 Pow erDissipation
(Topr=-40~+85°C,Tj=150°C)
1600
1200
on 4 layers board
800
on 2 layers board
400
0
-50
-25
0 25 50 75 100 125 150
Temperature : Ta(C)
NJW4182F PowerDissipation
(Topr=-40~+85°C,Tj=150°C)
800
700 on 4 layers board
600
500
400 on 2 layers board
300
200
100
0
-50
-25
0 25 50 75 100 125 150
Temperature : Ta(°C)
3000
2500
NJW4182U3 PowerDissipation
(Topr= -40~+85°C,Tj=150°C)
on 4 layers board
2000
1500
1000
500
on 2 layers board
0
-50
-25
0 25 50 75
Temperature : Ta(°C)
100 125 150
-4-
Ver.2014-09-29

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NJW4182 전자부품, 판매, 대치품
NJW4182
*Overshoot of Output Voltage
Transient fluctuation of output voltage tends to be large compared to other typical regulators because the NJW4182 is
designed with the concept of low current consumption characteristics.
In general, overshoot or undershoot of output voltage is more likely to occur when the following cases.
When input voltage or output current fluctuate sharply
When output capacitance is small
When output load is light
When start up from the condition of narrow voltage difference between an Input and an output.
The NJW4182 can reduce overshoot voltage compared to other low current consumption products by a built-in overshoot
protection (OSP).
However, very large overshoot may occur because of delay of the OSP circuit when the input voltage rises from between 2.0V
and 2.5V.
The value of overshoot varies with composite conditions, please refer the above and check the actual condition.
In addition, the following measures will be mentioned as a method to reduce the overshoot value.
a. By increasing the input and output capacitors to absorb overshoot value.
b. Adjust the rising speed of the input voltage, to avoid rising from between 2.0V and 2.5V.
Ver.2014-09-29
-7-

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