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PDF NJM2893 Data sheet ( Hoja de datos )
| Número de pieza | NJM2893 | |
| Descripción | 3OUTPUT LOW DROPOUT VOLTAGE REGULATOR | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2893 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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NJM2893
3OUTPUT LOW DROPOUT VOLTAGE REGULATOR
! GENERAL DESCRIPTION
The NJM2893 is a 3ch low dropout voltage regulator with
ON/OFF control in TVSP-8 package.
It is suitable for camcorder, IC decoder, camera and other
portable items.
! PACKAGE OUTLINE
NJM2893RB1
! FEATURES
" High Ripple Rejection 75dB typ. (f=1kHz,Vo=3V Version)
" Output Noise Voltage Vno=45µVrms typ.
" Output capacitor with 1.0uF ceramic capacitor (Vo≥2.7V)
" Output Current
Io(max.)=100mA x3
" High Precision Output Vo±1.0%
" Low Dropout Voltage 0.10V typ. (Io=60mA)
" ON/OFF Control
(Active High)
" Internal Short Circuit Current Limit
" Internal Thermal Overload Protection
" Bipolar Technology
" Package Outline
TVSP-8
! PIN CONFIGURATION
8 765
PIN FUNCTION
1.VOUT1
2.VOUT2
3.VOUT3
4.GND
5.CONTROL3
6.CONTROL2
7.CONTROL1
8.VIN
1 234
NJM2893RB1
1 page  
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! TYPICAL APPLICATION
1 In the case where ON/OFF Control is not required:
VIN
0.1µF
VIN VOUT1
NJM2893
R1
(0~300kΩ)
CONTROL1 VOUT2
R2
(0~300kΩ)
R3
(0~300kΩ)
CONTROL2
VOUT3
CONTROL3
GND
NJM2893
1.0µF*4
VOUT1
1.0µF*4
VOUT2
1.0µF*4
VOUT3
*4 Vo≤2.6V version: Co=2.2µF
Connect control terminal to VIN terminal
5 Page 
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! ELECTRICAL CHARACTERISTICS
NJM2893_3.0V
ON/OFF Transient Response Without Load
7 15
6
5 Control Voltage
10
5
4
Output Voltage
3
0
-5
2 -10
1 @:Ta=25oC
VIN=4.0V
0 Co=1.0µF(Ceramic)
Io=0mA
-1
0123
Time : t [ S]
4
-15
-20
-25
5
3.12
3.1
3.08
3.06
3.04
3.02
3
2.98
2.96
0
NJM2893_3.0V
Line Transient Response
Input Voltage
Output Voltage
@:Ta=25oC
V IN=4.0V
Co =1.0 µF(Ceramic)
Io=30mA
40 80 120
Time : t [µS]
160
7
6
5
4
3
2
1
0
-1
200
NJM2893
NJM2893_3.0V
ON/OFF Transient Response
7
6
Control Voltage
5
4
3
Output Voltage
2
1 @:Ta=25oC
VIN=4.0V
0 Co=1.0µF(Ceramic)
Io=30mA
-1
0 4 8 12
Time : t [mS]
16
10
5
0
-5
-10
-15
-20
-25
-30
20
3.1
3.08
3.06
3.04
3.02
3
2.98
2.96
2.94
0
NJM2893_3.0V
Load Transient Response
Output Current
Output Voltage
@:Ta=25oC
V IN=4.0V
Co =1.0 µF(Ceramic)
40 80 120 160
Time : t [µS]
150
100
50
0
-50
-100
-150
-200
-250
200
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NJM2893.PDF ] | |
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