ADM660 Ver la hoja de datos (PDF) - Analog Devices

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componentes Descripción

Fabricante

ADM660

CMOS Switched-Capacitor Voltage Converters

Analog Devices 

ADM660/ADM8660

5.0

4.5 LOAD = 1mA

4.0

LOAD = 10mA

3.5

LOAD = 50mA

3.0

2.5

2.0

1.5

LOAD = 80mA

1.0

0.5

0

1

10

100

CHARGE-PUMP FREQUENCY – kHz

1000

TPC 7. Output Voltage vs. Charge-Pump Frequency

30

25

20

15

10

5

0

1.5

2.5

3.5

4.5

5.5

6.5

SUPPLY VOLTAGE – Volts

TPC 8. Output Source Resistance vs. Supply Voltage

30

LV = GND

LV = OPEN

20

FC = OPEN

OSC = OPEN

C1, C2 = 10␮F

10

0

1.5

2.5

3.5

4.5

5.5

6.5

SUPPLY VOLTAGE – Volts

TPC 9. Charge-Pump Frequency vs. Supply Voltage

35

30

25

20

LV = GND

15

FC = OPEN

C1, C2 = 10␮F

10

5

0

–40

–20

0

20

40

60

80

TEMPERATURE – C

TPC 10. Charge-Pump Frequency vs. Temperature

1k

100

FC = OPEN

10 LV = GND

1

FC = V+

LV = GND

0.1

1

10

100

1k

CAPACITANCE – pF

TPC 11. Charge-Pump Frequency vs. External

Capacitance

140

LV = GND

120

100

LV = OPEN

80

60

FC = V+

OSC = OPEN

40

C1,C2 = 2.2␮F

20

0

3

3.5

4

4.5 5

5.5

6

6.5 7

SUPPLY VOLTAGE – Volts

TPC 12. Charge-Pump Frequency vs. Supply Voltage

–6–

REV. C

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