SP6660CU datasheet(7/22 Pages) EXAR

Part #	SP6660CU

Description	200mA Charge Pump Inverter or Doubler

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Manufacturer	EXAR [Exar Corporation]

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SP6660DS/11

SP6660 200mA Charge Pump Inverter or Doubler

7

g

V+ = 3.6V

V+ = 2.5V

V+ = 1.5V

TYPICAL PERFORMANCE CHARACTERISTICS

V

IN = +3.6V, TAMB = 25

oC unless otherwise noted. LF = Low Frequency, FC = Open, C1 = C2 = 150

µF.

HF = High Frequency, FC = V+, C1 = C2 = 22

µF. Inverter Circuit use Figure 1. Doubler Circuit use Figure 2.

Figure 5. Output Voltage Drop vs. Load Current – Inverter LF

Figure 6. Power Efficiency vs. Load Current – Inverter LF

V+ = 3.6V

V+ = 2.5V

V+ = 1.5V

Figure 7. Output Voltage vs. Oscillator Frequency

Inverter IL = 10mA

Inverter IL = 100mA

Inverter IL = 200mA

Doubler IL = 10mA

Doubler IL = 100mA

Doubler IL = 200mA

Load Current (mA)

0

50

100

150

200

250

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

Load Current (mA)

0

50

100

150

200

250

100

95

90

85

80

75

70

65

60

Oscillator Frequency (kHz)

1

10

100

1000

-4

-3

-2

-1

0

1

2

3

4

5

6

7

8

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