|
Details, datasheet, quote on part number:NJM2800U3342
| |
Datasheet text preview:
NJM2800
Low Dropout Voltage Regulator with Reset
s GENERAL DISCRIPTION The NJM2800 is a low dropout voltage regulator with reset function. It provides up to 150mA of logic supply, and the reset function monitors either input or output voltage of the regulator with 1% accuracy. It is suitable for local power supply and reset for small micro controller and other logic chips.
s PACKAGE OUTLINE
NJM2800F
NJM2800U
s PIN CONFIGURATION
s FEATURES qOutput Voltage Accuracy Vo = ±1.0% qReset Voltage Accuracy Vreset = ±1.0% qReset Hold Time td = 10mS±1.0mS qRipple Rejection 60dB typ. (f=1kHz) qQuiescent Current IQ=250µA (typ.) qInput Voltage Monitor type qOpen Collector Output qInternal Short Circuit Current Limit qInternal Thermal Overload Protection qBipolar Technology qPackage Outline SOT89 (5pin) / MTP5
1 2 3
5 4
MTP5
5 4
1.VIN 2.GND 3.VOR 4.Cd 5.VOUT
1.VOUT 2.GND 3.Cd 4.VOR 5.VIN
SOT-89(5pin)
1
2
3
s OUTPUT VOLTAGE/ DETECTION VOLTAGE Device Name Output Voltage Detection Voltage NJM2800F/U1803 1.8V 3.0V NJM2800U3342 3.3V 4.2V s EQUIVALENT CIRCUIT
VIN VOR
Thermal Protection
VO
Bandgap Reference
GND
Cd
NJM2800
s ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Power Dissipation Operating Temperature Storage Temperature PD Topr Tstg RATINGS +14 200 (MTP5) 350 (SOT-89)
-40+85 -40+125
(Ta=25°C) UNIT V mW °C °C
s ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1µF, Co=1µF (Vo2.6V: Co=2.2µF) Ta=25°C) PARAMETER SYMBOL TEST CONDITION
Quiescent Current Regulator Block Output Voltage Output Current Line Regulation Load Regulation Dropout Voltage Ripple Rejection Output Voltage Temperature Coefficient Output Noise Voltage Reset Block Voltage Detection Hysteresis Voltage Low Level Output Voltage Output Leak Current On time Output Current Reset Output Delay Time Operation Voltage Limit VRT VRTH RORL IORH IORL td V O PL VIN=HL VIN=HLH VIN=VRT-0.5V, RL=100k VIN= VRT+0.5V VIN=VRT-0.5V, RL=0 VIN=(VRT-0.5V) (VRT+0.5V), Cd=0.1µF VORL=0.4V Vo Io Vo/VIN Vo/Io VI_O RR Vo/T VNO Io=30mA Vo-0.3V VIN=Vo+1VVo+6V, Io=30mA Io=0100mA Io=60mA ein=200mVrms, f=1kHz, Io=10mA,Vo=3V Ta=085°C, Io=10mA f=10Hz100kHz, Io=10mA, Vo=3V IQ VIN=Vo+2V, Io=0mA
MIN.
- -1.0% 150 - - - - - - -1.0% - - 5 9 -
TYP.
250 - 200 - - 0.10 60 ±50 45
MAX.
350 +1.0% - 0.10 0.03 0.18 - - - +1.0%
UNIT
µA V mA %/V %/mA V dB ppm/°C µVrms V mV mV µA mA mS V
- 100 - - 10 0.9
VRT×3% VRT×5% VRT×8% 300 0.1 - 11 -
(note 1) 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.
NJM2800
s TIMING CHART VIN
VRTH VRT
VO
t VO
VO
t
VOR
td
td
td
VOR is the case where a pull-up is carried out to VIN through resistance.
t
|
|
