SP828 datasheet(5/16 Pages) SIPEX

5 / 16 page

SP828DS/03

SP828/829 High Efficiency Voltage Inverters

Figure 7. Output Current vs. Capacitance for the SP828

Figure 8. Output Current vs. Capacitance for the SP829

TYPICAL PERFORMANCE CHARACTERISTICS

IN = +5.0V, C1 = C2 = C3 = 10µF for SP828, C1 = C2 = C3 = 3.3µF for SP829, and TAMB = 25

oC unless

otherwise noted. The SP828/829 devices use the circuit found in

Figure 19 when obtaining the following typical

performance characteristics (unless otherwise noted).

Capacitance (

µF)

VIN = 5.0V;

VOUT = -3.8V

VIN = 3.3V;

VOUT = -2.5V

VIN = 2V;

VOUT = -1.5V

700

600

500

400

300

200

100

Capacitance (

µF)

VIN = 5.0V;

VOUT = -3.8V

VIN = 3.3V;

VOUT = -2.5V

VIN = 2V;

VOUT = -1.5V

Capacitance (

µF)

VIN = 5.0V;

VOUT = -3.8V

VIN = 3.3V;

VOUT = -2.5V

VIN = 2V;

VOUT = -1.5V

300

250

200

150

100

Capacitance (

µF)

VIN = 2V;

VOUT = -1.5V

VIN = 3.3V;

VOUT = -2.5V

VIN = 5.0V;

VOUT = -3.8V

Figure 9. Output Voltage Ripple vs. Capacitance

for the SP828

Figure 10. Output Voltage Ripple vs. Capacitance

for the SP829

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