CAT660 Datasheet, PDF (4/16 Pages) Catalyst Semiconductor – 100mA CMOS Charge Pump Inverter/Doubler

CAT660
Figure 1. Test Circuit
V+
+ _C1
150µF
1
BOOST/FC
8
V+
2
7
CAP+
OSC
3
CAT660
GND
LV
6
4 _CAP-
OUT ⁵
Voltage Inverter
IS _V+
5V
External
Oscillator
COSC
RL
C2
+ ^150µF
IL
VOUT
TYPICAL OPERATING CHARACTERISTICS
Typical characteristic curves are generated using the test circuit in Figure 1. Inverter test conditions are: V+=5V, LV
= GND, BOOST/FC = Open and TA = 25˚C unless otherwise indicated. Note that the charge-pump frequency is one-
half the oscillator frequency.
Supply Current vs. Input Voltage
150
120
90
No Load
60
30
0
1
2
3
4
5
6
INPUT VOLTAGE [V]
Supply Current vs. Temperature (no load)
120
VIN = 5V
100
80
60
VIN = 3V
40
VIN = 2V
20
0
-50 -25 0 25 50 75 100 125
Output Resistance vs. Input Voltage
10
8
6
100 Load
4
2
0
1
2
3
4
5
6
INPUT VOLTAGE [V]
Output Resistance vs. Temperature (50Ω load)
8
7
6
VIN = 2V
5
VIN = 3V
4
3
VIN = 5V
2
-50 -25 0 25 50 75 100 125
Doc. No. 5000, Rev. U
4