Rainbow-electronics MAX865 Bedienungsanleitung PDF herunterladen (Seite 4)

_____________________Pin Description

NAME FUNCTION

C1-

Negative Terminal of the Flying Boost

Capacitor

2 C2+

Positive Terminal of the Flying

Inverting Capacitor

3 C2-

Negative Terminal of the Flying

Inverting Capacitor

4 V- Output of the Inverting Charge Pump

8 C1+

Positive Terminal of the Flying Boost

Capacitor

7 V+ Output of the Boost Charge Pump

6 IN Positive Power-Supply Input

5 GND Ground

MAX865

C1+

C1-

3.3µF

C2+

C2-

OUT+

OUT-

V-

V+

GND

Figure 1. Test Circuit

MAX865

Compact, Dual-Output Charge Pump

4 _______________________________________________________________________________________

____________________________Typical Operating Characteristics (continued)

(Circuit of Figure 1, V

= 5V, T

= +25°C, unless otherwise noted.)

10µs/div

= 4.75V, 1mA LOAD

OUTPUT RIPPLE

(C1 = C2 = C3 = C4 = 1µF)

V- OUTPUT

20mV/div

V+ OUTPUT

50mV/div

10µs/div

= 4.75V, 1mA LOAD

OUTPUT RIPPLE

(C1 = C2 = C3 = C4 = 3.3µF)

V- OUTPUT

10mV/div

V+ OUTPUT

10mV/div

1 2 3 4 5 6 7 8

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