NJM2894 PDF даташит
Спецификация NJM2894 изготовлена «JRC» и имеет функцию, называемую «3OUTPUT LOW DROPOUT VOLTAGE REGULATOR». |
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Детали детали
Номер произв | NJM2894 |
Описание | 3OUTPUT LOW DROPOUT VOLTAGE REGULATOR |
Производители | JRC |
логотип |
11 Pages
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NJM2894
3OUTPUT LOW DROPOUT VOLTAGE REGULATOR
! GENERAL DESCRIPTION
The NJM2894 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
NJM2894RB1
! 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.)=ch1=150mA ch2,ch3=80mA
" 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
NJM2894RB1-xxx
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! EQUIVALENT CIRCUIT
VIN
CONTROL1
CONTROL2
Bandgap
Reference
NJM2894
Thermal
Protection
VOUT1
VOUT2
CONTROL3
GND
VOUT3
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! OUTPUT VOLTAGE RANK LIST
Device Name
NJM2894RB1-CCC
NJM2894RB1-LLL
NJM2894RB1-YLC
CH1
2.1V
3.0V
5.0V
Vout
CH2
2.1V
3.0V
3.0V
CH3
2.1V
3.0V
2.1V
NJM2894
! ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
SYMBOL RATINGS
UNIT
Input Voltage
Control Voltage
Power Dissipation
Operating Temperature
Storage Temperature
VIN
VCONT
PD
Topr
Tstg
+14
+14(*1)
320
−40 to +85
−40 to +125
V
V
mW
°C
°C
(*1) When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage.
! ELECTRICAL CHARACTERISTICS
(VIN=Vo+1V, CIN=0.1µF, Co=1.0uF: Vo≥2.7V (Co=2.2uF: Vo≤2.6V), Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP.
Output Voltage
Quiescent Current1
Quiescent Current2
Quiescent Current3
Quiescent Current
at Control OFF
Vo
IQ1
IQ2
IQ3
IQ(OFF)
Io=30mA
VCONT1=VIN, VCONT2=VCONT3=0V
*1ch ON
Io=0mA, expect Icont
VCONT1= VCONT2=VIN, VCONT3=0V
*2ch ON
Io=0mA, expect Icont
VCONT1= VCONT2=VCONT3=VIN
Io=0mA, expect Icont
VCONT=0V
-1.0% −
− 150
− 270
− 390
−−
Output Current1
Output Current2
Line Regulation
Load Regulation1
Load Regulation2
Dropout Voltage1
Dropout Voltage2
Ripple Rejection
Io
Io
∆Vo/∆VIN
∆Vo/∆Io1
∆Vo/∆Io2
∆VI−O1
∆VI−O2
RR
Average Temperature
Coefficient of Output Voltage
∆Vo/∆Ta
Output Noise Voltage
VNO
Control Voltage for ON-state VCONT(ON)
Control Voltage for OFF-state VCONT(OFF)
Ch1 ,,,: Vo−0.3V
Ch2,3 : Vo−0.3V
VIN=Vo+1V to Vo+6V, Io=30mA
Ch1,,, : Io=0 to 100mA
Ch2,3 : Io=0 to 60mA
Io=60mA
Io=40mA
ein=200mVrms,f=1kHz, Io=10mA,
Vo=3V Version
150
80
−
−
−
−
−
−
Ta=0 to 85°C, Io=10mA
−
f=10Hz to 80kHz, Io=10mA,
Vo=3V Version
−
1.6
−
200
100
−
−
−
0.10
0.10
75
±50
45
−
−
(*2) VIN =Vo+1V means add 1V to higher output voltage.
The above specification is a common specification for all output voltages.
Therefore, it may be different from the individual specification for a specific output voltage.
MAX. UNIT
+1.0% V
220 µA
400 µA
580 µA
100 nA
- mA
- mA
0.10 %/V
0.03 %/mA
0.03 %/mA
0.18 V
0.18 V
− dB
− ppm/°C
− µVrms
−V
0.6 V
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