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
Output Noise Voltage
75dB typ. (f=1kHz,Vo=3V Version)
Vno=19碌Vrms typ. (Cp=0.01碌F, Co=1.0碌F(Ceramic))
Vno=12碌Vrms typ. (Cp=0.1碌F, Co=10碌F(Tantalum))
Output capacitor with 1.0uF ceramic capacitor
Output Current
Io(max.)=100mA
脳
2ch
High Precision Output
Vo鹵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脳2.0脳0.85mm)
PIN CONFIGURATION
9
8
7
7
8
9
10
11
12
10
11
12
1
2
3
6
5
4
6
5
4
3
2
1
PIN FUNCTION
1. V
OUT
2
2. V
OUT
2
3. GND
4. CONTROL2
5. V
IN
2
6. V
IN
1
7. CONTROL1
8. V
OUT
1
9. V
OUT
1
10. NOISE BYPASS1
11. NC
12. NOISE BYPASS2
TOP銆€
銆€銆€銆€
銆€
銆€銆€銆€UNDER
銆€銆€銆€
NJM2898PB1
EQUIVALENT CIRCUIT
V
IN
1/V
IN
2
Control1/
Control2
Bandgap
Reference
Thermal
Protection
Noise Bypass1/
Noise Bypass2
V
OUT
1/V
OUT
2
GND
Ver.2004-12-22
-1-