NJM2871 PDF даташит
Спецификация NJM2871 изготовлена «JRC» и имеет функцию, называемую «LOW DROPOUT VOLTAGE REGULATOR». |
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Детали детали
Номер произв | NJM2871 |
Описание | LOW DROPOUT VOLTAGE REGULATOR |
Производители | JRC |
логотип |
8 Pages
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NJM2871/A, NJM2872/A
LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJM2871/A, NJM2872/A are low dropout voltage
regulators designed for cellular phone application.
Advanced Bipolar technology achieves low noise, high ripple
rejection and low quiescent current.
FEATURES
High Ripple Rejection
70dB typ. (f=1kHz,Vo=3V Version)
Output Noise Voltage
Vno=30µVrms typ.(Cp=0.01µF)
Output capacitor with 1.0uF ceramic capacitor (Vo≥2.7V)
Output Current
Io(max.)=150mA
High Precision Output
Vo±2%
Vo±1%:A Version
Low Dropout Voltage
0.10V typ. (Io=60mA)
ON/OFF Control
(Active High)
Operating Voltage Range +2.5V∼+14V (Vo≤2.0V version)
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
Bipolar Technology
Package Outline
SOT-23-5
PACKAGE OUTLINE
NJM2871F/AF
NJM2872F/AF
PIN CONFIGURATION
54
PIN FUNCTION
1. CONTROL (Active High)
2. GND
3. NOISE BYPASS
123
4. VOUT
5. VIN
NJM2871F/AF
54
123
NJM2872F/AF
PIN FUNCTION
1.VIN
2.GND
3.CONTROL (Active High)
4.NOISE BYPASS
5.VOUT
EQUIVALENT CIRCUIT
VIN
Cont
Bandgap
Reference
Thermal
Protection
VOUT
Noise
Bypass
GND
Ver.2007-01-06
-1-
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NJM2871/A, NJM2872/A
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ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
Control Voltage
Power Dissipation
VIN
VCONT
PD
+14
+14(*1)
SOT-23-5
350(*2)
200(*3)
V
V
mW
Operating Temperature
Storage Temperature
Topr
Tstg
−40 ∼ +85
−40 ∼ +125
°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)
(*3): Device itself.
Operating voltage
VIN=+2.5 ∼ +14V (In case of Vo<2.1V version)
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=30mA, A Version
Io=0mA, expect Icont
VCONT=0V
-2% − +2% V
-1% − +1% V
− 120 180 µA
− − 100 nA
Output Current
Line Regulation
Load Regulation
Dropout Voltage
Ripple Rejection
Average Temperature
Coefficient of Output Voltage
Io
∆Vo/∆VIN
∆Vo/∆Io
∆VI−O
RR
∆Vo/∆Ta
Vo−0.3V
VIN=Vo+1V ∼ Vo+6V, Io=30mA
Io=0 ∼ 100mA
Io=60mA
ein=200mVrms,f=1kHz, Io=10mA
Vo=3V Version
Ta=0∼85°C, Io=10mA,
Vo=3V Version
150 200 - mA
− − 0.10 %/V
− − 0.03 %/mA
− 0.10 0.18 V
− 70 − 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.2007-01-06
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NJM2871/A, NJM2872/A
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(Vo≤2.0V version : VIN=Vo+1V, CIN=0.1µF, Co=4.7µF, Cp=0.01µF, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
Output Voltage
Vo
Io=30mA
Io=30mA, A Version
-2%
-1%
Quiescent Current
Quiescent Current
at Control OFF
IQ
IQ(OFF)
Io=0mA, expect Icont
VCONT=0V
−
−
Output Current
Line Regulation
Load Regulation
Ripple Rejection
Average Temperature
Coefficient of Output Voltage
Io
∆Vo/∆VIN
∆Vo/∆Io
RR
∆Vo/∆Ta
Vo−0.3V
VIN=Vo+1V ∼ Vo+6V, Io=30mA
Io=0 ∼ 100mA
ein=200mVrms,f=1kHz, Io=10mA
Vo=1.8V Version
Ta=0∼85°C, Io=10mA,
Vo=1.8V Version
150
−
−
−
−
Output Noise Voltage
VNO
f=10Hz∼80kHz, Io=10mA,
Vo=1.8V Version
−
Control Voltage for ON-state
Control Voltage for OFF-state
VCONT(ON)
VCONT(OFF)
1.6
−
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.
TYP.
−
−
120
−
200
−
−
75
±50
22
−
−
MAX.
+2%
+1%
180
UNIT
V
V
µA
100 nA
- mA
0.10 %/V
0.03 %/mA
− dB
− ppm/°C
− µVrms
−V
0.6 V
OUTPUT VOLTAGE RANK LIST
Device Name
NJM287××15
NJM287××18
VOUT
1.5V
1.8V
Device Name
NJM287××285
NJM287××29
NJM287××21
NJM287××23
NJM287××25
NJM287××26
NJM287××27
2.1V
2.3V
2.5V
2.6V
2.7V
NJM287××03
NJM287××31
NJM287××32
NJM287××33
NJM287××34
NJM287××28 2.8V
NJM287××35
VOUT
2.85V
2.9V
3.0V
3.1V
3.2V
3.3V
3.4V
3.5V
Device Name
NJM287××355
NJM287××38
NJM287××04
NJM287××45
NJM287××46
NJM287××47
NJM287××05
VOUT
3.55V
3.8V
4.0V
4.5V
4.6V
4.7V
5.0V
s TEST CIRCUIT
A IIN
VIN VOUT
VIN
0.1µF
A ICONT CONTROL
NOISE
BYPASS
V VCONT
GND
1.0µF *4
(ceramic)
VIOUT
VOUT
Cp=0.01µF
*4 2.0V < Vo ≤ 2.6V version : Co=2.2µF(ceramic)
Vo ≤ 2.0V version : Co=4.7µF(ceramic)
Ver.2007-01-06
-3-
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