NJM2867F38 [NJRC]
Fixed Positive LDO Regulator, 3.8V, 0.18V Dropout, BIPolar, PDSO5, SOT-23, 5 PIN;型号: | NJM2867F38 |
厂家: | NEW JAPAN RADIO |
描述: | Fixed Positive LDO Regulator, 3.8V, 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:222K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
NJM2867/68
LOW DROPOUT VOLTAGE REGULATOR
ꢀ GENERAL DESCRIPTION
ꢀ PACKAGE OUTLINE
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.
NJM2867F3
NJM2867F/NJM2868F
ꢀ FEATURES
ꢁ High Ripple Rejection
ꢁ Output Noise Voltage
ꢁ Output capacitor with 0.1µF ceramic capacitor (Vo≥2.8V)
ꢁ Output Current
ꢁ High Precision Output
ꢁ Low Dropout Voltage
ꢁ ON/OFF Control
75dB typ. (f=1kHz Vo=3V Version)
Vno=40µVrms typ.
Io(max.)=100mA
Vo±1.0%
0.10V typ. (Io=60mA)
(Active High)
ꢁ Internal Short Circuit Current Limit
ꢁ Internal Thermal Overload Protection
ꢁ Bipolar Technology
ꢁ Package Outline
SC88A (NJM2867F3), SOT-23-5 (NJM2867F/NJM2868F)
ꢀ PIN CONFIGURATION
PIN FUNCTION
PIN FUNCTION
1. VIN
5
4
5
1
4
1.CONTROL
2.GND
3.NC
2.GND
3.CONTROL
4.NC
4.VOUT
1
2
3
2
3
5.VIN
5.VOUT
NJM2867F/NJM2867F3
NJM2868F
ꢀ EQUIVALENT CIRCUIT
VIN
VOUT
Control
Thermal
Protection
Bandgap
Reference
GND
Ver.2006-09-26
- 1 -
NJM2867/68
ꢀ OUTPUT VOLTAGE RANK LIST
ꢁNJM2867
Device Name
VOUT
2.1V
2.4V
2.5V
2.6V
2.7V
2.8V
Device Name
VOUT
2.9V
3.0V
3.1V
3.2V
3.3V
3.4V
Device Name
NJM2867F3-/F38
NJM2867F3-/F04
VOUT
3.8V
4.0V
NJM2867F3-/F21
NJM2867F3-/F24
NJM2867F3-/F25
NJM2867F3-/F26
NJM2867F3-/F27
NJM2867F3-/F28
NJM2867F3-/F29
NJM2867F3-/F03
NJM2867F3-/F31
NJM2867F3-/F32
NJM2867F3-/F33
NJM2867F3-/F34
NJM2867F3-/F445 4.45V
NJM2867F3-/F05
5.0V
ꢁNJM2868
Device Name
NJM2868F21
NJM2868F24
NJM2868F25
NJM2868F26
NJM2868F27
NJM2868F28
VOUT
2.1V
2.4V
2.5V
2.6V
2.7V
2.8V
Device Name
NJM2868F29
NJM2868F03
NJM2868F31
NJM2868F32
NJM2868F33
NJM2868F34
VOUT
2.9V
3.0V
3.1V
3.2V
3.3V
3.4V
Device Name
NJM2868F38
NJM2868F04
NJM2868F445
NJM2868F05
VOUT
3.8V
4.0V
4.45V
5.0V
ꢀABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
+14
V
Control Voltage
VCONT
+14(*1)
V
SC88A
250(*2)
200(*3)
350(*2)
Power Dissipation
PD
mW
SOT-23-5
Operating Temperature
Storage Temperature
Topr
Tstg
°C
°C
-40 +85
-40 +125
(*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.
Ver.2006-09-26
- 2 -
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
Output Voltage
SYMBOL
TEST CONDITION
MIN.
-1.0%
−
TYP.
−
MAX.
+1.0%
180
UNIT
V
µA
Vo
IQ
Io=30mA
Quiescent Current
Io=0mA, expect ICONT
120
Quiescent Current
IQ(OFF)
VCONT=0V
100
nA
−
−
at Control OFF
Output Current
Line Regulation
Load Regulation
Dropout Voltage
Io
Vo-0.3V
100
−
130
−
mA
%/V
%/mA
V
−
0.10
0.03
0.18
∆Vo/∆VIN
∆Vo/∆Io
∆VI−O
VIN=Vo+1V Vo+6V, Io=30mA
Io=0 60mA
−
−
Io=60mA
0.10
−
ein=200mVrms, f=1kHz, Io=10mA,
Ripple Rejection
RR
∆Vo/∆Ta
VNO
75
± 50
40
dB
−
−
−
−
−
−
Vo=3V Version
Average Temperature
Coefficient of Output
Voltage
Ta=0 85°C, Io=10mA
ppm/°C
f=10Hz 80kHz, Io=10mA,
Vo=3V Version
VCONT=1.6V, Io=0mA
Output Noise Voltage
µVrms
Control Current
ICONT
12
−
−
1.6
−
−
−
−
µA
V
V
Control Voltage for ON-state
Control Voltage for OFF-state
VCONT(ON)
VCONT(OFF)
0.6
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.
ꢀ TEST CIRCUIT
IIN
A
VIN
VOUT
IOUT
VOUT
V
VIN
0.1 F *4
NJM2867/68
µ
0.1µF
(ceramic)
ICONT
A
CONTROL
GND
V
VCONT
*4 2.3V<Vo 2.8V version: Co=0.22 F(ceramic)
≤
µ
Vo 2.3V version: 0.47 F(ceramic)
≤
µ
Ver.2006-09-26
- 3 -
NJM2867/68
ꢀ TYPICALAPPLICATION
1 In the case where ON/OFF Control is not required:
VIN
VIN
VOUT
VOUT
0.1µF
*5
NJM2867/68
0.1µF
R
(0~300kΩ)
CONTROL
GND
*5 2.3V<Vo 2.8V version: Co=0.22 F
≤
µ
Vo 2.3V version: 0.47 F
≤
µ
Connect control terminal to VIN terminal
2 In use of ON/OFF CONTROL:
VIN
VIN
VOUT
VOUT
*5
NJM2867/68
0.1µF
0.1µF
R
CONTROL
GND
*5 2.3V<Vo 2.8V version: Co=0.22 F
≤
µ
Vo 2.3V version: 0.47 F
≤
µ
State of control terminal:
•“H”→ output is enabled.
•“L” or “open” → output is disabled.
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.2006-09-26
- 4 -
NJM2867/68
ꢀ POWER DISSIPATION vs. AMBIENT TEMPERATURE
NJM2867/68F 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(℃)
NJM2867F3 Power Dissipation
(Topr=-40~+85℃,Tj=125℃)
500
400
300
200
100
0
On Board(114.3×76.2×1.6mm, FR-4)
-50
-25
0
25
50
75
100
Ambient Temperature Ta(℃)
Ver.2006-09-26
- 5 -
NJM2867/68
ꢀ ELECTRICAL CHARACTERISTICS
NJM2867/68_3.0V
Output Voltage vs. Input Voltage
NJM2867/68_3.0V
Output Voltage vs. Output Current
3.2
4
3.5
3
@:Ta=25oC
Co=0.1µF(Ceramic)
3.1
3
Io=0A
2.5
2
2.9
2.8
2.7
1.5
1
Io=30mA
@:Ta=25oC
Io=100mA
0.5
0
V
IN=4.0V
Co=0.1µF(Ceramic)
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
0
50
100
Output Current : Io(mA)
150
200
Input Voltage : V IN(V)
NJM2867/68_3.0V
Ground Pin Current v.s. Output Current
NJM2867/68_3.0V
Dropout Voltage vs. Output Current
20
0.3
@:Ta=25oC
Co=0.1µF(Ceramic)
@:Ta=25oC
V
IN=4.0V
Co=0.1µF(Ceramic)
0.25
0.2
15
10
5
0.15
0.1
0.05
0
0
0
50
100
150
0
50
100
(mA)
150
Output Current : I
O
Output Current:Io(mA)
NJM2867/68_3.0V
Output Voltage vs. Control Voltage
NJM2867/68_3.0V
Control Current vs. Control Voltage
4
3.5
3
60
50
40
30
20
10
0
@:Ta=25oC
V
IN=4.0V
Co=0.1µF(Ceramic)
Io=30mA
Rc=0Ω
2.5
2
Rc=50kΩ
1.5
1
Rc=100kΩ
Rc=50kΩ
Rc=0Ω
Rc=100kΩ
@:Ta=25oC
0.5
0
VIN=4.0V
Co=0.1µF(Ceramic)
Io=30mA
0
0.5
1
1.5
2
2.5
3
0
1
2
3
4
Control Voltage : V Cont(V)
Control Voltage : V Cont(V)
Ver.2006-09-26
- 6 -
NJM2867/68
ꢀ ELECTRICAL CHARACTERISTICS
NJM2867/68_3.0V
NJM2867/68_3.0V
Load Regulation vs. Output Current
Peak Output Current vs. Input Voltage
0
200
150
100
50
-10
-20
-30
-40
-50
-60
@:Ta=25oC
-70
@:Ta=25oC
V
IN=4.0V
Co=0.1µF(Ceramic)
Co=0.1µF(Ceramic)
-80
0
0
50
100
150
4
6
8
10
12
14
Input Voltage : VIN(V)
Output Current : Io(mA)
NJM2867/68_3.0V
Output Noise Voltage vs. Output Current
NJM2867/68_3.0V
Quiescent Current v.s. Input Voltage
100
80
60
40
20
0
2000
1500
1000
500
0
@:Ta=25oC
@:Ta=25oC
V
IN=4.0V
Output is open.
Co=0.1µF(Ceramic)
including Icont
LPF:80kHz
Co=0.1µF
Co=0.22µF
1
10
0.001
0.01
0.1
100
0
5
10
15
Output Current : Io(mA)
Input Voltage : VIN(V)
NJM2867/68_3.0V
Ripple Rejection vs. Output Current
NJM2867/68_3.0V
Ripple Rejection Ratio v.s. Frequency
100
90
80
70
60
50
40
30
20
100
90
80
70
60
50
40
30
20
Io=0mA
f=1kHz
Io=10mA
f=10kHz
Io=30mA
@:Ta=25oC
@:Ta=25oC
V
IN=4.0V
V
IN=4.0V
ein=200mVrms
Co=0.1µF(Ceramic)
ein=200mVrms
Co=0.1µF(Ceramic)
10k
10
100k
1k
1000
10
1
100
1
0.001
0.01
0.1
1
10
100
10
Frequency : f (Hz)
Output Current : Io(mA)
Ver.2006-09-26
- 7 -
NJM2867/68
ꢀ ELECTRICAL CHARACTERISTICS
NJM2867/68_3.0V
Equivalent Serise Resistance vs. Output Current
100
10
1
@:Ta=25oC
Co=0.1µF(Ceramic)
STABLE REGION
0.1
0.01
1
10
0.001
0.1
100
Output Current : Io(mA)
NJM2867/68_3.0V
Output Voltage v.s. Temperature
NJM2867/68_3.0V
Dropout Voltage v.s. Temperature
3.1
3.05
3
0.3
@:VIN=4.0V
Io=30mA
Co=0.1µF(Ceramic)
@:Io=60mA
Co=0.1µF(Ceramic)
0.25
0.2
0.15
0.1
2.95
2.9
0.05
0
-50
0
50
100
150
-50
0
50
100
150
Temperature Ta (oC)
Temperature : Ta ( oC)
NJM2867/68_3.0V
Control Current v.s. Temperature
NJM2867/68_3.0V
Control Voltage v.s. Temperature
10
8
3
2.5
2
@:VIN=4V
Output is open.
Co=0.1uF(Ceramic)
CONT=1.6V
V
6
1.5
1
4
2
0.5
0
@:VIN=4.0V
Io=30mA
Co=0.1µF(Ceramic)
0
-50
0
50
Temperature : Ta (oC)
100
150
-50
0
50
Temperature Ta (oC)
100
150
Ver.2006-09-26
- 8 -
NJM2867/68
ꢀ ELECTRICAL CHARACTERISTICS
NJM2867/68_3.0V
Quiescent Current v.s. Temperature
NJM2867/68_3.0V
Short Circuit Current v.s. Temperature
250
200
150
100
50
@:VIN=4.0V
Output is short to ground.
Co=0.1µF(Ceramic)
200
150
100
50
@:VIN=4.0V
Output is open.
Co=0.1µF(Ceramic)
0
0
-50
0
50
100
150
-50
0
50
100
150
Temperature : Ta ( oC)
Temperature : Ta ( oC)
NJM2867/68_3.0V
NJM2867/68_3.0V
Line Regulation v.s. Temperature
Load Regulation v.s. Temperature
0.1
0.05
0
0.03
0.025
0.02
0.015
0.01
0.005
0
@:VIN=4.0V
@:dVIN=4.0-9.0V
Io=0.60mA
Io=30mA
Co=0.1µF(Ceramic)
Co=0.1µF(Ceramic)
-0.05
-0.1
-50
0
50
Temperature : Ta ( oC)
100
150
-50
0
50
Temperature : Ta ( oC)
100
150
NJM2867/68_3.0V
Output Voltage v.s. Temperature
4
3.5
3
2.5
2
1.5
1
0.5 @:VIN=4.0V
Io=30mA
Co=0.1µF(Ceramic)
0
-50
0
50
100
150
200
Temperature Ta (oC)
Ver.2006-09-26
- 9 -
NJM2867/68
ꢀ ELECTRICAL CHARACTERISTICS
NJM2867/68_3.0V
NJM2867/68_3.0V
ON/OFF Transient Response
ON/OFF Transient Response without load
7
6
10
5
7
6
10
5
Control Voltage
5
Control Voltage
Output Voltage
0
5
0
4
-5
4
-5
3
-10
-15
-20
-25
-30
3
-10
-15
-20
-25
-30
Output Voltage
2
2
1
1
@:Ta=25oC
@:Ta=25oC
VDD=4.0V
Co=0.1µF(Ceramic)
Io=0mA
VDD=4.0V
0
0
Co=0.1µF(Ceramic)
Io=30mA
-1
-1
0
4
8
12
16
20
0
0.4
0.8
1.2
Time : t [s]
1.6
2
Time : t [mS]
NJM2867/68_3.0V
Line Transient Response
NJM2867/68_3.0V
Load Transient Response
3.1
3.08
3.06
3.04
3.02
3
7
6
5
4
3
2
1
0
-1
3.25
3.2
150
100
50
Input Voltage
Output Current
Output Voltage
3.15
3.1
0
3.05
3
-50
Output Voltage
-100
-150
-200
-250
2.95
2.9
2.98
2.96
2.94
@:Ta=25oC
@:Ta=25oC
VDD=4.0V
Co=0.1µF(Ceramic)
Io=30mA
VDD=4.0V
Co=0.1µF(Ceramic)
2.85
0
40
80
120
Time : t [µS]
160
200
0
40
80
120
Time : t [µS]
160
200
[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.2006-09-26
- 10 -
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