NJM2820, NJM2821, NJM2822
■TYPICAL CHARACTERISTICS
1000
Safety Operating Boundary Condition
(Rin=1kΩ, V =V , Ta=25oC)
KA REF
Ceramic Capacitor
800
Stable Operaion
Region
600
400
Unstable Operaion
200
Region
0
0.01
0.1
1
10
Output Capacitor C (µF)
OUT
Safety Operating Boundary Condition
Test Circuit
Rin=1kΩ
VKA
IK
V+
COUT
Note) Oscillation might occur while operating within the
range of safety curve.
So that, it is necessary to make ample margins by
taking considerations of fluctuation of the device.
1000
Safety Operating Boundary Condition
(Rin=1kΩ, V =V , Ta=25oC)
KA REF
Aluminum Electrolytic Capacitor
800
600
Stable Operaion
Region
400
Unstable Operaion
200
Region
0
0.1
1
10
Output Capacitor C (µF)
OUT
Ver.2009-11-12
-5-