CAT661

6

Doc. No. 5003, Rev. J

TYPICAL OPERATING CHARACTERISTICS

Typical characteristic curves are generated using the circuit in Figure 2. Doubler test conditions are: V+ 5V, LV = GND,

Figure 2. Test Circuit Voltage Doubler

1

2

3

4

8

7

6

5

CAT661

External

Oscillator

C2

100µF

10V VOUT

V+

+

C1

100µF

BOOST/FC

CAP+

GND

CAP-

V+

OSC

LV

OUT

V+

5V

0

500

1000

1500

2000

2500

3000

01

234

56

INPUT VOLTAGE [V]

FC = open

FC = V+

0

2

4

6

8

10

12

34

56

INPUT VOLTAGE [V]

0.0

0.2

0.4

0.6

0.8

1.0

0

2040

6080

100

LOAD CURRENT [mA]

V+ = 3V

V+ = 5V

10

100

1000

10000

1

10

100

1000

OSCILLATOR FREQUENCY [KHz]

No Load

Supply Current vs. Input Voltage (No Load)

Output Resistance vs. Input Voltage

Supply Current vs. Oscillator Frequency

Output Voltage Drop vs. Load Current