NJM2868 PDF даташит
Спецификация NJM2868 изготовлена «New Japan Radio» и имеет функцию, называемую «(NJM2867 / NJM2868) LOW DROPOUT VOLTAGE REGULATOR». |
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Детали детали
Номер произв | NJM2868 |
Описание | (NJM2867 / NJM2868) LOW DROPOUT VOLTAGE REGULATOR |
Производители | New Japan Radio |
логотип |
10 Pages
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NJM2867/68
LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJM2867/68 is a 100mA output low dropout voltage
regulator with ON/OFF control.
Advanced Bipolar technology achieves low noise, high ripple
rejection and low quiescent current.
Small packaging, 0.1µF small decoupling capacitor, built-in noise
bypass capacitor make the NJM2865/66 suitable for space
conscious applications.
PACKAGE OUTLINE
NJM2867F3 NJM2867F/NJM2868F
FEATURES
High Ripple Rejection
75dB typ. (f=1kHz Vo=3V Version)
Output Noise Voltage
Vno=40µVrms typ.
Output capacitor with 0.1µF ceramic capacitor (Vo≥2.8V)
Output Current
Io(max.)=100mA
High Precision Output
Low Dropout Voltage
Vo±1.0%
0.10V typ. (Io=60mA)
ON/OFF Control
(Active High)
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
Bipolar Technology
Package Outline
SC88A (NJM2867F3), SOT-23-5 (NJM2867F/NJM2868F)
PIN CONFIGURATION
54
12 3
PIN FUNCTION
1.CONTROL
2.GND
3.NC
4.VOUT
5.VIN
NJM2867F/NJM2867F3
54
12 3
PIN FUNCTION
1. VIN
2.GND
3.CONTROL
4.NC
5.VOUT
NJM2868F
EQUIVALENT CIRCUIT
VIN
Control
Bandgap
Reference
Thermal
Protection
VOUT
GND
Ver.2004-12-22
-1-
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OUTPUT VOLTAGE RANK LIST
NJM2867
Device Name
NJM2867F3-/F21
VOUT
2.1V
Device Name
NJM2867F3-/F29
VOUT
2.9V
Device Name
NJM2867F3-/F34
VOUT
3.4V
NJM2867F3-/F24 2.4V NJM2867F3-/F03 3.0V NJM2867F3-/F38 3.8V
NJM2867F3-/F25 2.5V NJM2867F3-/F31 3.1V NJM2867F3-/F05 5.0V
NJM2867F3-/F26 2.6V NJM2867F3-/F32 3.2V
NJM2867F3-/F28 2.8V NJM2867F3-/F33 3.3V
NJM2868
Device Name
NJM2868F21
VOUT
2.1V
Device Name
NJM2868F29
VOUT
2.9V
Device Name
NJM2868F34
VOUT
3.4V
NJM2868F24 2.4V NJM2868F03 3.0V NJM2868F38 3.8V
NJM2868F25 2.5V NJM2868F31 3.1V NJM2868F05 5.0V
NJM2868F26
NJM2868F28
2.6V
2.8V
NJM2868F32
NJM2868F33
3.2V
3.3V
ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER SYMBOL
RATINGS
UNIT
Input Voltage
Control Voltage
VIN
VCONT
+14
+14(*1)
SC88A
250(*2)
V
V
Power Dissipation
PD
SOT-23-5
200(*3)
350(*2)
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.
-2-
Ver.2004-12-22
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NJM2867/68
ELECTRICAL CHARACTERISTICS
(VIN=Vo+1V, CIN=0.1µF, Co=0.1µF(2.3V<Vo≤2.8V : Co=0.22µF, Vo≤2.3V:Co=0.47µF), Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP.
Output Voltage
Quiescent Current
Quiescent Current
at Control OFF
Output Current
Line Regulation
Load Regulation
Dropout Voltage
Ripple Rejection
Average Temperature
Coefficient of Output
Voltage
Output Noise Voltage
Control Voltage for
ON-state
Control Voltage for
OFF-state
Vo
IQ
IQ(OFF)
Io
∆Vo/∆VIN
∆Vo/∆Io
∆VI−O
RR
Io=30mA
Io=0mA, expect Icont
VCONT=0V
Vo-0.3V
VIN=Vo+1V ∼ Vo+6V, Io=30mA
Io=0 ∼ 60mA
Io=60mA
ein=200mVrms,f=1kHz, Io=10mA,
Vo=3V Version
∆Vo/∆Ta Ta=0 ∼ 85°C, Io=10mA
VNO
VCONT(ON)
f=10Hz ∼ 80kHz, Io=10mA,
Vo=3V Version
VCONT(OFF)
-1.0%
−
−
100
−
−
−
−
−
120
−
130
−
−
0.10
75
− ± 50
− 40
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.
MAX.
+1.0%
180
UNIT
V
µA
100 nA
− mA
0.10 %/V
0.03 %/mA
0.18 V
− dB
− ppm/°C
− µVrms
−V
0.6 V
TEST CIRCUIT
A IIN
VIN VOUT
VIN 0.1µF NJM2867/68
A ICONT CONTROL
V VCONT
GND
0(c.1eµraFm*4ic)
IOUT V VOUT
*4 2.3V<Vo≤2.8V version: Co=0.22µF(ceramic)
Vo≤2.3V version: 0.47µF(ceramic)
Ver.2004-12-22
-3-
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