NJM2846 New Japan Radio, NJM2846 Datasheet
NJM2846
Available stocks
Related parts for NJM2846
NJM2846 Summary of contents
Page 1
... GENERAL DESCRIPTION The NJM2845 is low dropout voltage regulator. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. NJM2845 is 3 terminal type and NJM2846 is ON/OFF control built in type. These product can be selected according to the applications. FEATURES High Ripple Rejection Output Noise Voltage Output capacitor with 2 ...
Page 2
NJM2845/46 www.datasheet4u.com OUTPUT VOLTAGE RANK LIST Device Name V OUT NJM284*DL*-18 1.8V NJM284*DL*-23 2.3V NJM284*DL*-25 2.5V NJM284*DL*-03 3.0V NJM284*DL*-33 3.3V NJM284*DL*-05 5.0V ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage V IN Control Voltage V CONT Power Dissipation P D Operating ...
Page 3
... POWER DISSIPATION vs. AMBIENT TEMPERATURE (Topr=-40~+85°C,Tj=+150°C -50 TEST CIRCUIT 2.6V version: Co=4.7 F(ceramic) TYPICAL APPLICATION 2.6V version: Co=4.7 F Ver.2005-01-20 NJM2846DL3 =10W θ =5°C/W HS θ =10°C/W HS θ =20°C/W HS Without Heat Sink - Ambient Temperature Ta(° ...
Page 4
... Vo/ Io Io=0 800mA Io=500mA ein=200mVrms, f=1kHz, Io=10mA, RR Vo=3V Version Vo Io=10mA f=10Hz 80kHz, Io=10mA Vo=3V Version I V =1.6V, Io=0mA CONT CONT V CONT(ON) V CONT(OFF) NJM2846DL3 =10W θ =5°C/W HS θ =10°C/W HS θ =20°C/W HS Without Heat Sink - Ambient Temperature Ta(°C) MIN. TYP. -1. ...
Page 5
... TEST CIRCUIT 2.6V version: Co=4.7 F(ceramic) Ver.2005-01- OUT NJM2846 0. CONT A CONTROL GND V CONT NJM2845/ OUT OU *6 2.2 F (ceramic ...
Page 6
... In use of ON/OFF CONTROL 2.6V version: Co=4.7 F State of control terminal: “H” output is enabled. “L” or “open” output is disabled 0.33 F NJM2846 R (0~300k ) CONTROL GND terminal NJM2846 0. CONTROL GND V V OUT OUT 2 OUT OUT 2 Ver.2005-01-20 ...
Page 7
TYPICAL CHARACTERISTICS (NJM2845) NJM2845_3.0V Output Voltage vs. Input Voltage 3.3 3.2 3.1 Io=0A 3 2.9 2.8 2.7 2.7 2.8 2.9 Input Voltage : V NJM2845_3.0V Ground Pin Current vs. Output Current ...
Page 8
NJM2845/46 www.datasheet4u.com TYPICAL CHARACTERISTICS (NJM2845) NJM2845_3.0V Quiescent Current vs. Input Voltage 2500 2000 1500 1000 500 Input Voltage : V NJM2845_3.0V Ripple Rejection Ratio vs. Frequency 100 Io=10mA Io=100mA @:Ta=25 ...
Page 9
TYPICAL CHARACTERISTICS (NJM2845) NJM2845_3.0V Output Voltage vs. Temperature 3.1 3.05 3 2.95 @:VIN=4.0V Io=30mA (Ceramic) Co=2.2 F 2.9 -50 0 Temperature : Ta ( NJM2845_3.0V Quiescent Current v.s. Input Voltage 600 500 400 300 200 100 0 -50 0 ...
Page 10
NJM2845/46 www.datasheet4u.com TYPICAL CHARACTERISTICS (NJM2845) NJM2845_3.0V Short Circuit Current v.s. Temperature 1000 800 600 400 200 0 - Temperature : Ta ( NJM2845_3V Line Transient Response 3.1 3.08 Input Voltage 3.06 3.04 Output Voltage 3. 2.98 ...
Page 11
... TYPICAL CHARACTERISTICS (NJM2846) NJM2846_3.0V Output Voltage vs. Input Voltage 3.3 3.2 3.1 Io=0A 3 2.9 2.8 2.7 2.7 2.8 2.9 Input Voltage : V NJM2846_3.0V Ground Pin Current v.s. Output Current 200 400 Output Current : I NJM2846_3.0V Control Current vs. Control Voltage 0.5 1 1.5 Control Voltage : V Ver.2005-01-20 o @:Ta=25 C Co=2.2 F(Ceramic) Io=200mA Io=500mA 3 3 ...
Page 12
... NJM2845/46 www.datasheet4u.com TYPICAL CHARACTERISTICS (NJM2846) NJM2846_3.0V Load Regulation vs. Output Current 0 -10 -20 -30 -40 -50 -60 o @:Ta=25 C -70 V =4.0V IN Co=2.2 F(Ceramic) -80 0 200 400 Output Current : Io(mA) NJM2846_3.0V Quiescent Current v.s. Input Voltage 2500 2000 1500 1000 500 Input Voltage : V NJM2846_3.0V Ripple Rejection Ratio v.s. Frequency 100 ...
Page 13
... TYPICAL CHARACTERISTICS (NJM2846) NJM2846_3.0V Equivalent Serise Resistance vs. Output Current 100 o @:Ta= =4.0V IN Co=2 STABLE REGION 1 0.1 0.02 0.001 0.01 0.1 Output Current : Io(m A) NJM2846_3.0V Control Voltage v.s. Temperature 2 1.5 1 0.5 0 -50 0 Temperature : Ta ( NJM2846_3.0V Peak Output Current v.s. Temperature 2000 1500 1000 500 0 -50 0 Temperature : Ta ( Ver.2005-01- 100 10 @:V =4.0V ...
Page 14
... NJM2845/46 www.datasheet4u.com TYPICAL CHARACTERISTICS (NJM2846) NJM2846_3.0V Line Regulation vs. Temperature 0.1 0.05 0 -0.05 @:V =4.0-9.0V IN Io=30mA (Ceramic) Co=2.2 F -0.1 -50 0 Temperature : Ta ( NJM2846_3.0V Output Voltage vs. Temperature 4 3.5 3 2.5 2 1.5 1 0.5 @:V =4.0V IN Io=30mA (Ceramic) Co=2 - Temperature : Ta ( NJM2846_3.0V ON/OFF Transient Response without Load 7 6 Control Voltage 5 4 Output Voltage @:Ta= =4.0V IN Co=2 ...
Page 15
... TYPICAL CHARACTERISTICS (NJM2846) NJM2846_3V Line Transient Response 3.1 3.08 Input Voltage 3.06 3.04 Output Voltage 3. 2.98 @:Ta= =4V IN Co=2.2 F 2.96 Io=30mA 2. Time : Ver.2005-01- 120 160 200 NJM2845/46 NJM2846_3V Load Transient Response 3.25 3.2 Output Current 3.15 3.1 3.05 3 Output Voltage 2.95 @:Ta=25 V 2.9 IN Co=2 120 160 ...