NJM2898 Datasheet, PDF (1/10 Pages) New Japan Radio – 2ch ULTRA LOW NOISE LOW DROPOUT VOLTAGE REGULATOR

NJM2898
2ch ULTRA LOW NOISE LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION
The NJM2898 is a 2ch ultra low noise low dropout voltage regulator
designed for VCO Applications.
Advanced Bipolar technology achieves low noise, high ripple
rejection and low quiescent current.
PACKAGE OUTLINE
NJM2898PB1
FEATURES
High Ripple Rejection
75dB typ. (f=1kHz,Vo=3V Version)
Output Noise Voltage
Vno=19µVrms typ. (Cp=0.01µF, Co=1.0µF(Ceramic))
Vno=12µVrms typ. (Cp=0.1µF, Co=10µF(Tantalum))
Output capacitor with 1.0uF ceramic capacitor
Output Current
Io(max.)=100mA × 2ch
High Precision Output
Vo±1.0%
Low Dropout Voltage
0.10V typ. (Io=60mA)
ON/OFF Control
(Active High)
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
Bipolar Technology
Package Outline
FFP12-B1 (2.0×2.0×0.85mm)
PIN CONFIGURATION
98 7
789
10
66
10
11
55
11
12
44
12
123
321
TOP　　　　
　　　UNDER
NJM2898PB1
PIN FUNCTION
1. V_OUT2
2. V_OUT2
3. GND
4. CONTROL2
5. V_IN2
6. V_IN1
7. CONTROL1
8. V_OUT1
9. V_OUT1
10. NOISE BYPASS1
11. NC
12. NOISE BYPASS2
EQUIVALENT CIRCUIT
V_IN1/V_IN2
Control1/
Control2
Bandgap
Reference
Thermal
Protection
V_OUT1/V_OUT2
Noise Bypass1/
Noise Bypass2
GND
Ver.2004-12-22
-1-