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PDF NJW4180 Data sheet ( Hoja de datos )
| Número de pieza | NJW4180 | |
| Descripción | High Voltage Low current consumption Regulator | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJW4180 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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NJW4180
High Voltage Low current consumption Regulator
GENERAL DESCRIPTION
The NJW4180 is a high voltage and low current consumption
linear regulator.
Low current consumption make the NJW4180 possible to supply
2.5 to 5.0 V regulated voltage from high voltage input.
Therefore, it is suitable for a power supply for micro controllers,
battery related applications, LED and other applications where
low power consumption is essential.
PACKAGE OUTLINE
NJW4180KG1
NJW4180F
FEATURES
• Operating Voltage Range
• Low Current Consumption
• MLCC correspond
• Output Current
• High Precision Output
• Internal Thermal Overload Protection
• Internal Over Current Protection
• Internal Reverse Current Protection
• Package Outline
35V (max.)
9µA (typ.)
IO(min.)=20mA
VO ±1.5%
ESON6-G1, SOT23-5
PIN CONNECTION
PIN CONFIGURATION
6 5 4 1. N.C.
2. GND
NJW4180 3. N.C.
1 23
4. VIN
5. N.C.
6. VOUT
NJW4180KG1
5
4
http://www.DataSheet4U.net/
123
NJW4180F
PIN CONFIGURATION
1. N.C.
2. GND
3. N.C.
4. VOUT
5. VIN
BLOCK DIAGRAM
VIN
Ver.2011-01-27
GND
Current
Limit
T hermal
Protection
Bandgap
Reference
VOUT
-1-
datasheet pdf - http://www.DataSheet4U.net/
1 page  
TEST CIRCUIT
A IIN
VIN
VIN VOUT
NJW4180
0.1µF
GND
NJW4180
1µF
(ceramic)
VIOUT
VOUT
TYPICAL APPLICATION
VIN
0.1µF
VIN VOUT
NJW4180
VOUT
GND
1µF
*Input Capacitance CIN
Input Capacitance (CIN)) is required to prevent oscillation and reduce power supply ripple for applications with high
power supply impedance or a long power supply line.
Use the CIN value of 0.1µF greater to avoid the problem.
CIN should connect between GND and VIN as short as possible.
*Output Capacitance CO
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Output capacitor (CO) is required for a phase compensation of the internal error amplifier. The capacitance and the
equivalent series resistance (ESR) influences stability of the regulator.
This product is designed to work with a low ESR capacitor for the CO; however, use of recommended capacitance or
greater value is essential for stable operation.
Use of a smaller CO may cause excess output noise or oscillation of the regulator due to lack of the phase
compensation.
Therefore, use CO with the recommended capacitance or greater value and connect between VO terminal and
GND terminal with minimal wiring. The recommended capacitance depends on the output voltage. Low voltage
regulator requires greater value of the CO. Thus, check the recommended capacitance for each output voltage.
Use of a greater CO reduces output noise and ripple output, and also improves transient response of the output
voltage against rapid load change.
Ver.2011-01-27
-5-
datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NJW4180.PDF ] | |
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