NJM2883 PDF даташит
Спецификация NJM2883 изготовлена «JRC» и имеет функцию, называемую «LOW DROPOUT VOLTAGE REGULATOR». |
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Детали детали
Номер произв | NJM2883 |
Описание | LOW DROPOUT VOLTAGE REGULATOR |
Производители | JRC |
логотип |
9 Pages
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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-
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NJM2883
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! OUTPUT VOLTAGE RANK LIST
Device Name
VOUT
Device Name
NJM2883E15 1.5V NJM2883E29
NJM2883E17 1.7V NJM2883E03
NJM2883E18 1.8V NJM2883E31
NJM2883E21 2.1V NJM2883E32
NJM2883E25 2.5V NJM2883E33
NJM2883E28
2.8V NJM2883E345
NJM2883E285 2.85V NJM2883E35
VOUT
2.9V
3.0V
3.1V
3.2V
3.3V
3.45V
3.5V
Device Name
NJM2883E38
NJM2883E04
NJM2883E43
NJM2883E47
NJM2883E05
VOUT
3.8V
4.0V
4.3V
4.7V
5.0V
! 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)
650(*2)
-40 ∼ +85
-40 ∼ +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.
(*2): Mounted on glass epoxy board based on EIA/JEDEC. (114.3x76.2x1.6mm: 2Layers)
! Operating voltage
VIN=+2.3V ∼ +14.0V (In case of Vo<2.1V)
! ELECTRICAL CHARACTERISTICS
(Vo>2.0V version : VIN=Vo+1V, CIN=0.1µF, Co=1.0µF: Vo≥2.7V (Co=2.2µF: Vo≤2.6V), Cp=0.01µF, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Output Voltage
Quiescent Current
Quiescent Current
at Control OFF
Vo
IQ
IQ(OFF)
Io=30mA
Io=0mA, expect Icont
VCONT=0V
-1.0%
−
−
− +1.0%
120 180
− 100
V
µA
nA
Output Current
Io Vo - 0.3V
300 400 - mA
Line Regulation
Load Regulation
Dropout Voltage
Ripple Rejection
Average Temperature
Coefficient of Output Voltage
∆Vo/∆VIN
∆Vo/∆Io
∆VI−O
RR
VIN=Vo+1V∼Vo+6V, Io=30mA
Io=0∼300mA
Io=100mA
ein=200mVrms,f=1kHz, Io=10mA,
Vo=3V Version
∆Vo/∆Ta Ta=0∼+85°C, Io=10mA
− − 0.10 %/V
− − 0.03 %/mA
− 0.10 0.18 V
− 75 − dB
− ±50 − ppm/°C
Output Noise Voltage
VNO
f=10Hz∼80kHz, Io=10mA,
Vo=3V Version
− 30 − µVrms
Control Voltage for ON-state
Control Voltage for OFF-state
VCONT(ON)
VCONT(OFF)
1.6 − − V
− − 0.6 V
-2-
Ver.2006-02-22
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NJM2883
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(Vo≤2.0V version: VIN=Vo+1V, CIN=0.1µF, Co=2.2µF: Vo≥1.9V (Co=4.7µF: Vo≤1.8V), Cp=0.01µF, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Output Voltage
Vo Io=30mA
-1.0% − +1.0% V
Quiescent Current
Quiescent Current
at Control OFF
IQ
IQ(OFF)
Io=0mA, expect Icont
VCONT=0V
− 120 180 µA
− − 100 nA
Output Current
Io Vo - 0.3V
300 400 - mA
Line Regulation
Load Regulation
Ripple Rejection
Average Temperature
Coefficient of Output Voltage
∆Vo/∆VIN
∆Vo/∆Io
RR
VIN=Vo+1V∼Vo+6V, Io=30mA
Io=0∼300mA
ein=200mVrms, f=1kHz, Io=10mA,
Vo=1.8V Version
∆Vo/∆Ta Ta=0∼85°C, Io=10mA
−
−
−
−
− 0.10 %/V
− 0.03 %/mA
80 − dB
±50 − ppm/°C
Output Noise Voltage
VNO
f=10Hz∼80kHz, Io=10mA,
Vo=1.8V Version
− 20 − µVrms
Control Voltage for ON-state
Control Voltage for OFF-state
VCONT(ON)
VCONT(OFF)
1.6 − − V
− − 0.6 V
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.
! TEST CIRCUIT
IIN
A
VIN VOUT
VIN
0.1µF
NJM2883
ICONT
A
CONTROL
NOISE
BYPASS
V VCONT
GND
1.0µF *3
(ceramic)
IOUT
V VOUT
Cp=0.01µF
*3 1.9V ≤ Vo ≤ 2.6V version: Co=2.2µF(ceramic)
Vo ≤ 1.8V version: Co=4.7µF(ceramic)
Ver.2006-02-22
-3-
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