Chip topographies – Rainbow Electronics MAX744A User Manual
Page 14
MAX730A/MAX738A/MAX744A
5V, Step-Down,
Current-Mode PWM DC-DC Converters
14
______________________________________________________________________________________
1
2
3
4
8
7
6
5
V+
LX
GND
OUT
CC
SS
REF
SHDN
SO
MAX730A
TOP VIEW
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
V+
V+
LX
LX
N.C.
REF
V+
MAX738A
MAX744A
LX
GND
GND
OUT
CC
SS
N.C.
N.C.
Wide SO
SHDN
____Pin Configurations (continued)
__Ordering Information (continued)
PART
TEMP. RANGE
PIN-PACKAGE
MAX738A
CPA
0°C to +70°C
8 Plastic DIP
MAX738ACWE
0°C to +70°C
16 Wide SO
MAX738AC/D
0°C to +70°C
Dice*
MAX738AEPA
-40°C to +85°C
8 Plastic DIP
MAX738AEWE
-40°C to +85°C
16 Wide SO
MAX738AMJA
-55°C to +125°C
8 CERDIP
MAX744A
CPA
0°C to +70°C
8 Plastic DIP
MAX744ACWE
0°C to +70°C
16 Wide SO
MAX744AC/D
0°C to +70°C
Dice*
MAX744AEPA
-40°C to +85°C
8 Plastic DIP
MAX744AEWE
-40°C to +85°C
16 Wide SO
MAX744AMJA
-55°C to +125°C
8 CERDIP
*Contact factory for dice specifications.
__________________________________________________________Chip Topographies
LX
GND
REF
SS
SHDN
V+
OUT
CC
0.131"
(3.327mm)
0.116"
(2.946mm)
LX
GND
REF
SS
SHDN
V+
OUT
CC
0.116"
(2.946mm)
0.072"
(1.828mm)
MAX730A
MAX738A/MAX744A
TRANSISTOR COUNT: 274 (MAX730A)
286 (MAX738A/MAX744A);
SUBSTRATE CONNECTED TO V+.