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PDF NJM2883 Data sheet ( Hoja de datos )
| Número de pieza | NJM2883 | |
| Descripción | LOW DROPOUT VOLTAGE REGULATOR | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2883 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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NJM2883
LOW DROPOUT VOLTAGE REGULATOR
! GENERAL DESCRIPTION
The NJM2883 is a low dropout voltage regulator in EMP8
package
Advanced Bipolar technology achieves low noise, high ripple
rejection and low quiescent current.
It is suitable for portable applications.
! PACKAGE OUTLINE
NJM2883E
! FEATURES
" High Ripple Rejection
75dB typ. (f=1kHz,Vo=3V Version)
" Output Noise Voltage
Vno=30µVrms typ.(Cp=0.01µF)
" Output capacitor with 1.0µF ceramic capacitor (Vo≥2.7V)
" Output Current
Io(max.)=300mA
" High Precision Output
Vo±1%
" Low Dropout Voltage
0.10V typ. (Io=100mA)
" ON/OFF Control
(Active High)
" Operating Voltage Range +2.3V∼+14V (Vo≤2.0V version)
" Internal Short Circuit Current Limit
" Internal Thermal Overload Protection
" Bipolar Technology
" Package Outline
EMP8 (5.0×6.0×1.5mm)
! PIN CONFIGURATION
18
27
36
45
NJM2883E
PIN FUNCTION
1.VOUT
2.GND
3.GND
4.NOISE BYPASS
5.CONTROL (Active High)
6.GND
7.GND
8.VIN
! EQUIVALENT CIRCUIT
VIN
Control
Bandgap
Reference
Thermal
Protection
VOUT
Noise
Bypass
GND
Ver.2006-02-22
-1-
1 page  
www.DataSheet4U.com
! ELECTRICAL CARACTERISTICS
NJM2883_3.0V
Output Voltage v.s. Input Voltage
3.5
@Ta=25℃
Co=1.0uF(Ceramic)
3.3 Cp=0.01uF
3.1 Io=0mA
2.9
2.7
2.5
2.5
Io=300mA
Io=100mA
2.7 2.9 3.1 3.3
Input Voltage : Vi [V]
3.5
NJM2883_3.0V
Ground Pin Current v.s. Output Current
20
@Ta=25℃
16 Co=1.0uF(Ceramic)
Cp=0.01uF
12
8
4
0
0 125 250 375 500
Output Current : Io [mA]
NJM2883_3.0V
Control Current v.s. Control Voltage
20
@Ta=25℃
16 Co=1.0uF(Ceramic)
Cp=0.01uF
Io=30mA
12
Rc=100kΩ
Rc=50kΩ
8 Rc=0Ω
4
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Control Voltage : Vcont [V]
Ver.2006-02-22
NJM2883
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
0.30
NJM2883_3.0V
Output Voltage v.s. Output Current
@Ta=25℃
Co=1.0uF(Ceramic)
Cp=0.01uF
100 200 300 400 500
Output Current : Io [mA]
NJM2883_3.0V
Dropout Voltage v.s. Output Current
600
0.25 @Ta=25℃
Co=1.0uF(Ceramic)
0.20 Cp=0.01uF
0.15
0.10
0.05
0.00
0
3.5
100 200 300 400
Output Current : Io [mAA] ]
NJM2883_3.0V
Output Voltage v.s. Control Voltage
500
3.0
2.5
2.0
Rc=50kΩ
1.5
Rc=100kΩ
1.0
0.5
0.0
0.0
Rc=0Ω
@Ta=25℃
Co=1.0uF(Ceramic)
Cp=0.01uF
Io=30mA
0.5 1.0 1.5 2.0 2.5
Control Voltage : Vcont [V]
3.0
-5-
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NJM2883.PDF ] | |
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