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NJM2880U03-(TE2) [NJRC]

3V FIXED POSITIVE LDO REGULATOR, 0.18V DROPOUT, PDSO5, SOT-89, 5 PIN;
NJM2880U03-(TE2)
型号： NJM2880U03-(TE2)
厂家： NEW JAPAN RADIO    NEW JAPAN RADIO
描述：

3V FIXED POSITIVE LDO REGULATOR, 0.18V DROPOUT, PDSO5, SOT-89, 5 PIN

ISM频段 光电二极管 输出元件 调节器
文件： 总7页 (文件大小：170K)
中文：  中文翻译
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NJM2880  
LOW DROPOUT VOLTAGE REGULATOR  
ꢀ GENERAL DESCRIPTION  
ꢀ PACKAGE OUTLINE  
The NJM2880 is a low dropout voltage regulator.  
Advanced Bipolar technology achieves low noise, high ripple  
rejection and low quiescent current.  
ꢀ FEATURES  
NJM2880U  
ꢁHigh Ripple Rejection  
ꢁOutput Noise Voltage  
70dB typ. (f=1kHz)  
Vno=30uVrms (Cp=0.01uF)  
ꢁOutput capacitor with 1.0uF ceramic capacitor  
ꢁOutput Current  
ꢁHigh Precision Output  
ꢁLow Dropout Voltage  
ꢁON/OFF Control  
Io(max.)=300mA  
Vo 1.0%  
0.10V typ. (Io=100mA)  
(Active High)  
ꢁInternal Short Circuit Current Limit  
ꢁInternal Thermal Overload Protection  
ꢁBipolar Technology  
ꢁPackage Outline  
SOT-89(5pin)  
ꢀ PIN CONFIGURATION  
PIN FUNCTION  
1.CONTROL (Active High)  
2.GND  
3.NOISE BYPASS  
4.VOUT  
NJM2880U  
5.VIN  
ꢀ EQUIVALENT CIRCUIT  
VIN  
VOUT  
Cont  
Thermal  
Protection  
Noise  
Bypass  
Bandgap  
Reference  
GND  
ꢀ OUTPUT VOLTAGE RANK LIST  
Device Name  
NJM2880U21  
NJM2880U25  
NJM2880U26  
Vout  
2.1V  
2.5V  
2.6V  
Device Name  
Vout  
3.3V  
3.8V  
5.0V  
NJM2880U33  
NJM2880U38  
NJM2880U05  
NJM2880U27  
NJM2880U28  
NJM2880U285  
NJM2880U03  
2.7V  
2.8V  
2.85V  
3.0V  
NJM2880  
ꢀ ABSOLUTE MAXIMUM RATINGS  
PARAMETER SYMBOL  
(Ta=25°C)  
RATINGS  
UNIT  
Input Voltage  
VIN  
VCONT  
PD  
+14  
V
Control Voltage  
+14(note 1)  
350  
V
Power Dissipation  
Operating Temperature  
Storage Temperature  
mW  
°C  
°C  
Topr  
Tstg  
-40 ∼ +85  
-40 ∼ +125  
(note 1) When input voltage is less than +14V, the absolute maximum  
control voltage is equal to the input voltage.  
ꢀ ELECTRICAL CHARACTERISTICS  
(VIN=Vo+1V, Co=1.0uF: Vo≥2.7V (Co=2.2uF: Vo≤2.6V), Cp=0.01uF, Ta=25°C)  
PARAMETER  
SYMBOL  
TEST CONDITION  
MIN. TYP. MAX. UNIT  
Output Voltage  
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, expect Icont  
VCONT=0V  
120  
uA  
IQ(OFF)  
-
-
100  
nA  
Vo-0.3V  
Io  
300  
400  
-
mA  
-
-
-
-
-
0.10  
%/V  
∆Vo/∆VIN  
∆Vo/∆Io  
∆VI-O  
VIN=Vo+1V ∼ Vo+6V, Io=30mA  
Io=0 ∼ 300mA  
0.03 %/mA  
0.18  
-
Io=100mA  
0.10  
V
ein=200mVrms,f=1kHz, Io=10mA  
Vo=3V Version  
Ripple Rejection  
RR  
-
70  
dB  
Average Temperature  
Coefficient of Output  
Voltage  
-
-
∆Vo/∆Ta  
Ta=0∼85°C, Io=10mA  
50  
ppm/°C  
f=10Hz∼80kHz, Io=10mA,  
Output Noise Voltage  
VNO  
-
1.6  
-
30  
-
-
-
uVrms  
Vo=3V Version  
Control Voltage for  
ON-state  
VCONT(ON)  
VCONT(OFF)  
V
V
Control Voltage for  
-
0.6  
OFF-state  
(note 2) 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  
VIN  
A
V
VOUT  
1.0uF  
OR  
V
IOUT  
VIN  
2.2uF(Vo<2.6V)  
(Ceramic  
Capacitor)  
0.1uF  
VOUT  
ICONT  
NOISE  
A
CONTROL  
BYPASS  
Cp=0.01uF  
GND  
VCONT  
NJM2880  
ꢀ TYPICAL APPLICATION  
ꢂ
In the case where ON/OFF Control is not required:  
VIN  
VOUT  
VIN  
VOUT  
1.0uF  
OR  
2.2uF(Vo<2.6V)  
(Ceramic  
Capacitor)  
0.1uF  
R
(0~300kΩ )  
NOISE  
CONTROL  
BYPASS  
Cp=0.01uF  
GND  
Connect control terminal to VIN terminal  
The quiescent current can be reduced by using a resistance “R”. Instead, it increases the minimum  
operating voltage. For further information, please refer to Figure “Output Voltage vs. Control Voltage”.  
ꢃ
In use of ON/OFF CONTROL:  
VIN  
VOUT  
VIN  
VOUT  
1.0uF  
OR  
2.2uF(Vo<2.6V)  
(Ceramic  
Capacitor)  
0.1uF  
R
NOISE  
CONTROL  
BYPASS  
Cp=0.01uF  
GND  
State of control terminal:  
•“H”→ output is enabled.  
• “L” or “open” → output is disabled.  
✱Noise 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 0.01uF greater to avoid the problem.  
NJM2880  
[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.  

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