NJM2863F285 [NJRC]
Fixed Positive LDO Regulator, 2.85V, 0.18V Dropout, BIPolar, PDSO5, SOT-23, 5 PIN;型号: | NJM2863F285 |
厂家: | NEW JAPAN RADIO |
描述: | Fixed Positive LDO Regulator, 2.85V, 0.18V Dropout, BIPolar, PDSO5, SOT-23, 5 PIN ISM频段 光电二极管 输出元件 调节器 |
文件: | 总10页 (文件大小:191K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
NJM2863/64
Ultra Low Noise Low Dropout Voltage Regulator
ꢀ GENERAL DESCRIPTION
ꢀ PACKAGE OUTLINE
The NJM2863/64 is a low dropout voltage regulator designed for
VCO Applications.
Advanced Bipolar technology achieves ultra low noise, high ripple
rejection and low quiescent current.
NJM2863F/64F
ꢀ FEATURES
ꢁ High Ripple Rejection
75dB typ. (f=1kHz,Vo=3V Version)
ꢁ Output capacitor with 1.0µF ceramic capacitor
ꢁ Output Noise Voltage
Vno=19µVrms typ. (Cp=0.01µF, Co=1.0µF(Ceramic))
Vno=12µVrms typ. (Cp=0.1µF, Co=10µF(Tantalum))
ꢁ Output Current
Io(max.)=100mA
Vo±1.0%
0.10V typ. (Io=60mA)
(Active High)
ꢁ High Precision Output
ꢁ Low Dropout Voltage
ꢁ ON/OFF Control
ꢁ Internal Short Circuit Current Limit
ꢁ Internal Thermal Overload Protection
ꢁ Bipolar Technology
ꢁ Package Outline
SOT-23-5
ꢀ PIN CONFIGURATION
5
4
5
4
1.CONTROL
2.GND
1.VIN
2.GND
3.NOISE BYPASS
4.VOUT
5.VIN
3.CONTROL
4.NOISE BYPASS
5.VOUT
1 2 3
1 2 3
NJM2863F
NJM2864F
ꢀ EQUIVALENT CIRCUIT
VIN
Control
VOUT
Thermal
Protection
Bandgap
Reference
Noise
Bypass
GND
Ver.2006-02-20
- 1 -
NJM2863/64
ꢀ OUTPUT VOLTAGE RANK LIST
Device Name
NJM286×F21
NJM286×F25
NJM286×F27
NJM286×F28
NJM286×F285
VOUT
2.1V
2.5V
2.7V
2.8V
2.85V
Device Name
NJM286×F29
NJM286×F03
NJM286×F33
NJM286×F05
VOUT
2.9V
3.0V
3.3V
5.0V
ꢀABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL
Input Voltage
(Ta=25°C)
RATINGS
+14
+14(*1)
UNIT
V
V
VIN
Control Voltage
VCONT
350(*2)
Power Dissipation
PD
SOT-23-5
mW
200(*3)
−40 +85
−40 +125
Operating Temperature
Storage Temperature
Topr
Tstg
°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.
ꢀ ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1µF, Co=1.0µF, Cp=0.01µF, Ta=25°C)
PARAMETER
Output Voltage
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Vo
IQ
Io=30mA
-1.0%
+1.0%
180
V
−
Quiescent Current
Quiescent Current
at Control OFF
Output Current
Line Regulation
Load Regulation
Dropout Voltage
Io=0mA, except Icont
120
−
µA
IQ(OFF)
VCONT=0V
100
nA
−
−
Io
Vo-0.3V
100
−
130
−
mA
%/V
−
0.10
∆Vo/∆VIN VIN=Vo+1V Vo+6V, Io=30mA
∆Vo/∆Io Io=0 100mA
∆VI−O
0.03 %/mA
−
−
Io=60mA
0.10
0.18
V
−
ein=200mVrms,f=1kHz, Io=10mA,
Vo=3V Version
Ripple Rejection
RR
75
dB
−
−
−
−
Average Temperature
Coefficient of Output
Voltage
∆Vo/∆Ta Ta=0 85°C, Io=10mA
± 50
−
−
ppm/°C
f=10Hz 80kHz, Io=10mA, Cp=0.01µF,
Output Noise Voltage1
Output Noise Voltage2
VNO1
VNO2
19
12
−
µVrms
µVrms
V
Co=1.0µF (Ceramic), Vo=3V Version
f=10Hz 80kHz, Io=10mA, Cp=0.1µF,
Co=10µF (Tantalum), Vo=3V Version
Control Voltage for
ON-state
Control Voltage for
OFF-state
VCONT(ON)
VCONT(OFF)
1.6
−
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.
Ver.2006-02-20
- 2 -
NJM2863/64
ꢀ TEST CIRCUIT
IIN
A
VIN
VOUT
1.0µF
(ceramic)
IOUT
VOUT
V
VIN
NJM2863/64
0.1µF
NOISE
BYPASS
CONTROL
ICONT
A
GND
V
VCONT
Cp=0.01 F
µ
Ver.2006-02-20
- 3 -
NJM2863/64
ꢀ TYPICALAPPLICATION
1 In the case where ON/OFF Control is not required:
VIN
VIN
VOUT
VOUT
1.0µF
0.1µF
NJM2863/64
R
(0 300kΩ)
NOISE
BYPASS
CONTROL
Cp=0.01µF
GND
Connect control terminal to VIN terminal
2 In use of ON/OFF CONTROL:
VIN
VIN
VOUT
VOUT
1.0µF
NJM2863/64
0.1µF
R
NOISE
BYPASS
CONTROL
Cp=0.01µF
GND
State of control terminal:
•“H”→ output is enabled.
•“L” or “open” → output is disabled.
ꢂNoise bypass Capacitance Cp
Noise bypass capacitance Cp reduces noise generated by band-gap reference circuit. Noise level and ripple
rejection will be improved when larger Cp is used. Use of smaller Cp value may cause oscillation.
Use the Cp value of 0.01µF greater to avoid the problem.
ꢂIn the case of using a resistance "R" between VIN and control.
The current flow into the control terminal while the IC is ON state (ICONT) can be reduced when a pull up resistance
"R" is inserted between VIN and the control terminal.
The minimum control voltage for ON state (VCONT (ON)) is increased due to the voltage drop caused by ICONT and the
resistance "R". The ICONT is temperature dependence as shown in the "Control Current vs. Temperature"
characteristics. Therefore, the resistance "R" should be carefully selected to ensure the control voltage exceeds the
VCONT (ON) over the required temperature range.
Ver.2006-02-20
- 4 -
NJM2863/64
ꢀ POWER DISSIPATION vs. AMBIENT TEMPERATURE
NJM2863/64F Power Dissipation
(Topr=-40~+85℃,Tj=125℃,PD=200mW(Ta≦25℃))
500
400
300
200
100
0
On Board(114.3×76.2×1.6mm, FR-4)
Device itself
-50
-25
0
25
50
75
100
Ambient Temperature Ta(℃)
Ver.2006-02-20
- 5 -
NJM2863/64
ꢀ ELECTRICAL CHARACTERISTICS
NJM2863/64_3.0V
NJM2863/64_3.0V
Output Voltage v.s. Input Voltage
Output Voltage vs. Output Current
3.2
3.1
3
4
3.5
3
@:Ta=25oC
Co=1.0µF(Ceramic)
Cp=0.01µF
Io=0A
2.5
2
2.9
2.8
2.7
1.5
1
Io=30mA
@:Ta=25oC
V
IN=4V
Io=100mA
Co=1.0µF(Ceramic)
Cp=0.01µF
0.5
0
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
0
50
100
150
200
Input Voltage :Vin [V]
Output Current :Io [mA]
NJM2863/64_3.0V
NJM2863/64_3.0V
Ground Pin Current vs. Output Voltage
Dropout Voltage vs. Output Current
@:Ta=25oC
Co=1.0µF(Ceramic)
Cp=0.01µF
20
0.3
0.25
0.2
@:Ta=25oC
V
IN=4V
Co=1.0µF(Ceramic)
Cp=0.01µF
15
10
5
0.15
0.1
0.05
0
0
0
20
40
60
80
100
120
0
20
40
60
80
100
120
Output Current :Io [mA]
Output Current :Io [mA]
NJM2863/64_3.0V
NJM2863/64_3.0V
Control Current v.s. Control Voltage
@:Ta=25oC
Output Voltage v.s. Control Voltage
30
4
3.5
3
@:Ta=25oC
V
IN=4.0V
V
IN=4.0V
Co=1.0µF(Ceramic)
Cp=0.01µF
Io=30mA
25
20
15
10
5
Co=1.0µF(Ceramic)
Cp=0.01µF
Io=30mA
Rc=0Ω
2.5
2
Rc=50kΩ
Rc=100kΩ
Rc=0Ω
Rc=50kΩ
1.5
1
0.5
0
Rc=100kΩ
0
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
Control Voltage :Vcont [V]
Control Voltage :Vcont [V]
Ver.2006-02-20
- 6 -
NJM2863/64
ꢀ ELECTRICAL CHARACTERISTICS
NJM2863_3.0V
Load Regulation vs. Output Current
NJM2863_3.0V
Peak Output Current vs. Input Voltage
0
-10
-20
-30
-40
-50
@:Ta=25oC
Co=1.0uF(Ceramic)
Cp=0.01uF
200
150
100
50
@:Ta=25oC
VIN=4V
Co=1.0uF(Ceramic)
Cp=0.01uF
0
0
50
100
150
4
6
8
10
12
14
Output Current :Io [mA]
Input Voltage :Vin [V]
NJM2863_3.0V
Quiescent Current v.s. Input Voltage
NJM2863/64_3.0V
Output Noise Voltage vs. Noise Bypass Capacitor
2000
1500
1000
500
0
300
250
200
150
100
50
@:Ta=25oC
Output is open.
Co=1.0uF(Ceramic)
Cp=0.01uF
@:Ta=25oC
V
IN=4V
Co=1
Io=10mA
µF(Ceramic)
including Icont
0
0.1
µ
1p
10p
100p
1000p
0.01µ
0
5
10
15
Noise Bypass Capacitor : Cp(F)
Input Voltage :Vin [V]
NJM2863/64_3.0V
NJM2863/64_3.0V
Output Noise Voltage vs. Output Current
Ripple Rejection Ratio v.s. Frequency
100
80
60
40
20
0
90
@:Ta=25oC
IN=4.0V
LPF:80kHz
V
80
70
60
50
40
30
20
Io=10mA
Io=30mA
Co=1.0
µF(Ceramic)
Cp=0.01
µF
@:Ta=25oC
V
IN=4.0V
ein=200mVrms
Co=1.0 F(Ceramic)
Cp=0.01
µ
Co=10µF(Tantalum)
µF
Cp=0.1
µF
100k
1k
10k
10
100
0.001
0.01
0.1
1
10
100
Frequency :f [Hz]
Output Current :Io [mA]
Ver.2006-02-20
- 7 -
NJM2863/64
ꢀ ELECTRICAL CHARACTERISTICS
NJM2863/64_3.0V
NJM2863/64_3.0V
Equivalent Series Resistance vs. Output Current
Ripple Rejection vs. Output Current
100
10
1
100
90
80
70
60
50
40
30
20
@:Ta=25oC
V
IN=4V
Co=1.0µF(Ceramic)
Cp=0.01µF
f=1kHz
STABLE REGION
f=10kHz
@:Ta=25oC
IN=4V
ein=200mVrms
Co=1.0 (Ceramic)
Cp=0.01
V
0.1
µ
F
µF
0.02
0.001
0.01
0.1
1
10
100
0.001
0.01
0.1
1
10
100
Output Current : Io(mA)
Output Current :Io [mA]
NJM2863/64_3.0V
Dropout Voltage v.s. Temperature
NJM2863_3.0V
Output Voltage v.s. Temperature
0.3
3.1
3.05
3
@:Io=60mA
Co=1.0µF(Ceramic)
Cp=0.01µF
@:VIN=4.0V
Io=30mA
Co=1.0µF(Ceramic)
0.25
0.2
Cp=0.01µF
0.15
0.1
2.95
0.05
0
2.9
-50
0
50
100
150
-50
0
50
100
150
o
o
Temperature :Ta [C]
Temperature :Ta [C]
NJM2863/64_3.0V
Control Voltage v.s. Temperature
NJM2863/64_3.0V
Control Current v.s. Temperature
2
1.5
1
10
8
@:VIN=4.0V
Output is open.
Co=1.0µF(Ceramic)
Cp=0.01µF
@:VIN=4V
Output is open.
Co=1.0uF(Ceramic)
Cp=0.01uF
V
CONT=1.6V
6
4
0.5
2
0
0
-50
0
50
Temperature :Ta [C]
100
150
-50
0
50
Temperature Ta (oC)
100
150
o
Ver.2006-02-20
- 8 -
NJM2863/64
ꢀ ELECTRICAL CHARACTERISTICS
NJM2863_3.0V
NJM2863_3.0V
Short Circuit Current v.s. Temperature
Quiescent Current v.s. Temperature
200
150
100
50
300
250
200
150
100
50
@:VIN=4.0V
@:VIN=4.0V
Output is short to ground.
Co=1.0µF(Ceramic)
Cp=0.01µF
Output is open.
Co=1.0µF(Ceramic)
Cp=0.01µF
0
0
-50
0
50
100
150
-50
-50
-50
0
50
100
150
150
200
o
o
Temperature :Ta [C]
Temperature :Ta [C]
NJM2863_3.0V
NJM2863_3.0V
Line Regulation v.s. Temperature
Load Regulation v.s. Temperature
0.2
0.1
0
0.03
0.025
0.02
0.015
0.01
0.005
0
@:VIN=4.0-9.0V
Io=30mA
Co=1.0µF(Ceramic)
@:VIN=4.0V
Io=0-60mA
Co=1.0µF(Ceramic)
Cp=0.01µF
Cp=0.01µF
-0.1
-0.2
0
50
100
-50
0
50
Temperature :Ta [C]
100
150
o
o
Temperature :Ta [C]
NJM2863_3.0V
Output Voltage v.s. Temperature
3.5
3
2.5
2
1.5
1
@:VIN=4.0V
Io=30mA
0.5
0
Co=1.0µF(Ceramic)
Cp=0.01µF
0
50
100
150
o
Temperature :Ta [C]
Ver.2006-02-20
- 9 -
NJM2863/64
ꢀ ELECTRICAL CHARACTERISTICS
NJM2863_3V
NJM2863_3V
ON/OFF Transient Response
ON/OFF Transient Response without Load
7
6
15
10
5
7
6
15
10
5
Control Voltage
Control Voltage
Output Voltage
5
5
4
0
4
0
Output Voltage
3
-5
3
-5
2
-10
-15
-20
-25
2
-10
-15
-20
-25
@:Ta=25oC
@:Ta=25oC
1
1
V
IN=4V
V
IN=4V
Co=1µF
Cp=0.01µF
Io=30mA
Co=1µF
Cp=0.01µF
Io=0mA
0
0
-1
-1
0
4
8
12
16
20
0
1
2
3
4
5
Time : t [mS]
Time : t [S]
NJM2863_3V
Load Transient Response
NJM2863_3V
Line Transient Response
3.1
150
3.1
3.08
3.06
3.04
3.02
3
7
6
5
4
3
2
1
0
3.08
3.06
3.04
3.02
3
100
50
Output Current
Input Voltage
0
-50
Output Voltage
-100
-150
-200
-250
Output Voltage
2.98
2.96
2.94
2.98
2.96
2.94
@:Ta=25oC
IN=4V
@:Ta=25oC
Co=1µF
Cp=0.01µF
Io=30mA
V
Co=1µF(Ceramic)
Cp=0.01µF
-1
200
0
40
80
120
160
0
40
80
120
160
200
Time : t [µS]
Time : t [µS]
[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.
Ver.2006-02-20
- 10 -
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