Max865 compact, dual-output charge pump, Pin description, Typical operating characteristics (continued) – Rainbow Electronics MAX865 User Manual
Page 4
_____________________Pin Description
NAME
FUNCTION
1
C1-
Negative Terminal of the Flying Boost
Capacitor
2
C2+
Positive Terminal of the Flying
Inverting Capacitor
PIN
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-
3.3
µ
F
3.3
µ
F
3.3
µ
F
3.3
µ
F
V
IN
C2+
C2-
OUT+
OUT-
R
L
-
R
L
+
I
V
+
V-
V+
IN
GND
I
V
-
Figure 1. Test Circuit
MAX865
Compact, Dual-Output Charge Pump
4
_______________________________________________________________________________________
____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= 5V, T
A
= +25°C, unless otherwise noted.)
10
µ
s/div
V
IN
= 4.75V, 1mA LOAD
OUTPUT RIPPLE
(C1 = C2 = C3 = C4 = 1
µ
F)
V- OUTPUT
20mV/div
V+ OUTPUT
50mV/div
10
µ
s/div
V
IN
= 4.75V, 1mA LOAD
OUTPUT RIPPLE
(C1 = C2 = C3 = C4 = 3.3
µ
F)
V- OUTPUT
10mV/div
V+ OUTPUT
10mV/div