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