NJM2890
Preliminary
2ch LOW DROPOUT VOLTAGE REGULATOR
s GENERAL DESCRIPTION
The NJM2890 is a dual low dropout voltage regulator.
Advanced Bipolar technology achieves low noise, high ripple
rejection and low quiescent current.
s PACKAGE OUTLINE
s FEATURES
qHigh Ripple Rejection 70dB typ. (f=1kHz)
qOutput Noise Voltage Vno=30µVrms (Cp=0.01µF)
qOutput capacitor with 1.0uF ceramic capacitor (Vo≥2.7V)
qOutput Current
Io(max.)=150mA × 2ch
qHigh Precision Output Vo±1.0%
qLow Dropout Voltage
0.10V typ. (Io=60mA)
qON/OFF Control
(Active High)
qInternal Short Circuit Current Limit
qInternal Thermal Overload Protection
qBipolar Technology
qPackage Outline
VSP10
NJM2890R
s PIN CONFIGURATION
1
10
2
9
3
8
4
7
5
6
NJM2890R
s EQUIVALENT CIRCUIT
PIN FUNCTION
1. CONTROL1
2. VIN1
3. GND
4. VIN2
5. CONTROL2
6. NOISE BYPASS2
7. VOUT2
8. GND
9. VOUT1
10. NOISE BYPASS1
VIN1/ VIN2
Cont1/Cont2
Thermal
Protection
VOUT1/ VOUT2
Noise Bypass1 /
Noise Bypass2
GND
Bandgap
Reference