Rainbow Electronics MAX1837 - Manual (Page 12)

MAX1836/MAX1837
24V Internal Switch, 100% Duty Cycle,
Step-Down Converters
12 ______________________________________________________________________________________
MAX1836
MAX1837
IN
GND
LX
SHDN
FB
OUT
INPUT
3.6V TO 18V
C IN
10 µF
D1
L1
47 µH
C OUT
100 µF
NOTE: HIGH-CURRENT PATHS SHOWN WITH BOLD LINES.
OUTPUT
-3.3V OR -5V
Figure 7. MAX1836/MAX1837 Inverter Configuration
MAX1837
IN
GND
LX
SHDN
FB
OUT
OUTPUT
5V
INPUT
4.5V TO 24V
C IN
10 µF
25V
D1
L1
47 µH
C OUT
68 µF
10V
C IN = TAIYO YUDEN TMK432BJ106KM
L1 = SUMIDA CDRH5D28-470
C
OUT = SANYO POSCAP 10TPC68M
D1 = NIHON EP05Q03L
NOTE: HIGH-CURRENT PATHS SHOWN WITH BOLD LINES.
Figure 6. High-Voltage Application
Chip Information
TRANSISTOR COUNT: 731
PROCESS: BiCMOS