SEME
LAB
IP5661C
IP5561C
TYPICAL PERFORMANCE CHARACTERISTICS — ERROR AMPLIFIER
Power Derating Curve
1.00
Slow Start Voltage
VPIN4
0.75
0.50
0.25
0.00
25
50
75
100
125
150
TA AMBIENT TEMPERATURE (˚C)
PD = VCC ICC + ( VCC – VZ ) IZ
+ ( Vpin7 Ipin7 x δ )
Typical Frequency Plot vs RT and CT
200
100
R = 5kΩ
50
R = 10kΩ
R = 20kΩ
R = 40kΩ
10
5
2
RT
IP5561
5
CT
1
1.5 2 2.5 3 3.5 4 4.5 5
TIMING CAPACITANCE (nF)
t
t = R'C
Start-up Circuit (Optional)
R1
V1
C
R2
VZ
2
IP5561
4
Q1
( ) δmax = f
R2
R1+R2
VZ
+
VBE
Q1
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 4/95