NJM2800F3342-TE1

NJM2800 Low Dropout Voltage Regulator with Reset ! 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. ! PACKAGE OUTLINE NJM2800F ! FEATURES " Output Voltage Accuracy Vo = ±1.0% " Reset Voltage Accuracy Vreset = ±1.0% " Reset Hold Time td = 10mS±1.0mS " Ripple Rejection 60dB typ. (f=1kHz) " Quiescent Current IQ=250µA (typ.) " Input Voltage Monitor type " Open Collector Output " Internal Short Circuit Current Limit " Internal Thermal Overload Protection " Bipolar Technology " Package Outline SOT89-5 (NJM2800U/U1), SOT-23-5(NJU2800F) ! PIN CONFIGURATION 5 4 1 2 3 1.VIN 2.GND 3.VOR 4.Cd 5.VOUT NJU2800F 5 1 2 4 2 3 1.VO 2.GND 3.Cd 4.VOR 5.VIN NJU2800U/U1 ! OUTPUT VOLTAGE/ DETECTION VOLTAGE Device Name Output Voltage Detection Voltage NJM2800F/U1803 1.8V 3.0V NJM2800F/U1-2528 2.5V 2.8V NJM2800U3342 3.3V 4.2V NJM2800U/U1 NJM2800 ! EQUIVALENT CIRCUIT VO VIN Thermal Protection VOR Bandgap Reference GND Cd ! ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Power Dissipation 200 (SOT-23-5) PD Operating Temperature Storage Temperature (Ta=25°C) RATINGS UNIT +14 V Topr Tstg 350 (SOT-89-5) −40∼+85 −40∼+125 mW °C °C ! ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1µF, Co=1µF (Vo≤2.6V: Co=2.2µF) Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT − 250 350 µA Io=30mA −1.0% − +1.0% V Vo-0.3V 150 200 − mA IQ VIN=Vo+2V, Io=0mA Output Voltage Vo Output Current Io Line Regulation ∆Vo/∆VIN VIN=Vo+1V∼Vo+6V, Io=30mA − − 0.10 %/V Load Regulation ∆Vo/∆Io Io=0∼100mA − − 0.03 %/mA Dropout Voltage ∆VI_O Io=60mA − 0.10 0.18 V Ripple Rejection RR Quiescent Current Regulator Block ein=200mVrms, f=1kHz, Io=10mA,Vo=3V − 60 − dB Ta=0∼85°C, Io=10mA − ±50 − ppm/°C VNO f=10Hz∼100kHz, Io=10mA, Vo=3V − 45 − µVrms VRT VIN=H→L −1.0% − +1.0% V Hysteresis Voltage VRTH VIN=H→L→H Low Level Output Voltage RORL VIN=VRT-0.5V, RL=100kΩ Output Leak Current IORH VIN= VRT+0.5V On time Output Current IORL VIN=VRT-0.5V, RL=0Ω 5 − − mA VIN=(VRT-0.5V)→ (VRT+0.5V), Cd=0.1µF 9 10 11 mS VORL=0.4V − 0.9 − V Output Voltage Temperature Coefficient Output Noise Voltage ∆Vo/∆T Reset Block Voltage Detection Reset Output Delay Time Operation Voltage Limit td VOPL VRT×3% VRT×5% VRT×8% mV − 100 300 mV − − 0.1 µA (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 ! TIMING CHART VIN [V] VRTH VRT VO t VO [V] VO t VOR [V] td td td t ∗ VOR is the case where a pull-up is carried out to VIN through resistance. NJM2800 ! TEST CIRCUIT IQ VIN VO IOR NJM2800 RL 0.1µF Cd VIN V VOR 1.0µF GND V 0.1µF IOUT VOR ! TYPICAL APPLICATIONS VIN VIN VOUT VO NJM2800 100kΩ 1.0µF 0.1µF Cd VOR GND 0.1µF VOR VOUT NJM2800 ! ELECTRICAL CHARACTERISTICS NJM2800_3.3V Output Voltage vs. Input Voltage 3.5 @:Ta=25oC Co=1µF(Ceramic) Cd=0.1µF 3.5 3.4 3 Io=0A Ou tpu t Voltage :Vo [V] Vo(V (V (V)) Output Vo ltage : Vo NJM2800_Vo=3.3V Outpu t Voltage vs. Outpu t Current 4 3.3 3.2 Io=30mA 3.1 2.5 2 1.5 1 o Io=100mA 3 3 3.1 3.2 3.3 3.4 @:Ta=25 C V IN=4.3V Co=1.0µF(Ceramic) 0.5 3.5 3.6 0 3.7 0 50 NJM2800_3.3V Ground Pi n Current v.s. Output Current 20 200 250 300 o o @:Ta=25 C Co=1µF(Ceramic) Cd=0.1µF 0.25 15 Dropout Voltage:dV I-O ( V) Ground Pi n Current : IGND (mA) 150 NJM2800_3.3V Dropout Voltage vs. Output Current 0.3 @:Ta=25 C VIN=4.3V Co=1.0µF(Ceramic) Cd=0.1µF 10 5 0.2 0.15 0.1 0.05 0 0 0 50 100 150 200 0 50 Output Current : IO(mA) 300 150 200 -20 -30 -40 NJM2800_3.3V Peak Output Current vs. Input Voltage 250 Peak Output Current : IoMAX (mA) @:Ta=25oC VIN=4.3V Co=1µF(Ceramic) Cd=0.1µF -10 100 Output Current:Io(mA) NJM2800_3.3V Load Regulati on vs. Output Current 0 dVo/dIo(m (m (mV) V) Load Regulati on : dVo/dIo 100 Outpu t Current :Io [mA] Input Voltage : V IN (V) 200 150 100 50 @:Ta=25oC Co=1µF(Ceramic) Cp=0.01µF 0 -50 0 50 100 150 Output Current : Io(mA) 200 6 8 10 Input Voltage : VIN(V) 12 14 NJM2800 ! ELECTRICAL CHARACTERISTICS NJM2800_3.3V Qui escent Current v.s. Input Voltage1 2000 NJM2800_3.3V Outpu t Noi se Vol tage vs. Output Current 100 o @:Ta=25 C VIN=4.3V Cd=0.1µF LPF:100kHz Output Noise Voltage : Vn( µ Vrms) Quiescent Current : IQ (µA) @:Ta=25oC Output is open. Co=1.0µF(Ceramic) 1500 1000 500 5 10 Co=1.0µF(Ceramic) 60 40 Co=2.2µF(Ceramic) 20 0 0.001 0 0 80 15 0.01 Input Vol tage : VIN(V) 100 100 90 90 Ripple Rejecti on Ratio : RR (dB) Ri pple Rejecti on Ratio : RR (dB) NJM2800_3.3V Ripple Rejection Ratio v.s. Frequency 80 Io=0mA Io=10mA 70 60 Io=30mA 50 40 @:Ta=25 oC VIN=4.3V ein=200mVrms Co=1µF (Ceramic) Cd=0.1µF 30 20 10 10k 100k Frequency : f (Hz) Equi valent Serise Resistance : ESR( Ω) 100 @:Ta=25oC V IN=4.3V Co=1.0µF(Ceramic) 10 STABLE REGION 0.1 0.02 1µ 10µ 100µ 1m Output Current : Io(mA) 10 100 NJM2800_3.3V Ri pple Rejecti on Rati o v.s. Outpu t Current 70 f=1kHz 60 f=10kHz 50 40 @:Ta=25oC Co=1.0µF(Ceramic) Cd=0.1µF V IN=4.3V ein=200mVrms 20 0.001 0.01 0.1 1 Output Current : Io (mA) NJM2800_3.3V Equival en t Seri se Resistance vs. Output Current 1 1 80 30 1k 100 0.1 Output Current : Io(mA) 10m 100m 10 100 NJM2800 ! ELECTRICAL CHARACTERISTICS NJM2800_3.3V Dropout Voltage v.s. Temperature 0.3 NJM2800_Vo= 3.3V Output Voltage vs. Temperature 3.4 VIN=4.3V Io=30mA Co=1µF @:V IN=4.3V Io=60mA Co=1µF(Ceramic) 0.25 Outpu t Voltage :Vo [V] Dropout Voltage:dV I-O ( V) 3.35 0.2 0.15 0.1 3.3 3.25 0.05 0 3.2 -50 0 50 100 o -50 150 0 50 NJM2800_3.3V Quiescent Current v.s. Temperature 0.1 @:dVIN=4.3-9.3V Io=30mA Co=1.0µF(Ceramic) 200 150 100 @:V IN=5.3V Output is open. Co=1µF(Ceramic) 50 Line Regulation : dVo/dIo (%/V) 250 Quiescent Current : IQ (µA) 150 NJM2800_3.3V Line Regulation v.s. Temperatu re 300 0.05 0 -0.05 0 -50 0 50 o 100 -0.1 -50 150 0 Temperature : Ta ( C) @:V IN=4.3V Output is short to ground. Co=1µF(Ceramic) Sh ort Ci rcui t Current : IS C (mA) 0.015 0.01 0.005 0 50 o Temperature : Ta (o C) 150 100 @:VIN=4.3V Io=0-100mA Co=1.0µF(Ceramic) 0.02 0 -50 100 o NJM2800_3.3V Short Ci rcuit Current v.s. Temperature 0.03 0.025 50 Temperature : Ta ( C) NJM2800_3.3V Load Regulation v.s. Temperature Load Regulati on : dVo/dIo (%/mA) 100 o Temperature : Ta[ o C] Temperature : Ta ( C) 100 150 80 60 40 20 0 -50 0 50 o Temperature : Ta ( C) 100 150 NJM2800 [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.