Rainbow Electronics MAX662A - Manual (Page 6)

MAX662A
+12V, 30mA Flash Memory
Programming Supply
6 _______________________________________________________________________________________
MAX662A
0.22 µ F
2
1
8
5
C2-
C2+
V OUT
0.22 µ F
V IN =
5V ±5%
1 µ F
1 µ F
20V
OUTPUT
1 µ F
C1+
C1-
SHDN
V CC
3
4
6
12V
OUTPUT
GND
1N5818
1N5818
2 µ F
7
Figure 4. +12V and +20V Dual Supply from a +5V Input
20.0
16.0
0 30
19.2
MAX662AFIG 5
20V OUTPUT CURRENT (mA)
20V OUTPUT VOLTAGE (V)
15
17.6
16.8
5 10 25
18.4
20 35 40
CIRCUIT OF FIGURE 4
V
CC = 4.75V
T A = +25°C
WITH +12V OUTPUT
UNLOADED
WITH 34mA LOAD
ON +12V OUTPUT
Figure 5. +20V Supply Output Current Capability
___________________Chip Topography
C1-
SHDN
V
CC
C2+ C2- C1+
GND V OUT
0.086"
(2.184mm)
0.086"
(2.184mm)
TRANSISTOR COUNT: 225
SUBSTRATE CONNECTED TO V OUT