User guide

MAX1846/MAX1847
High-Efficiency, Current-Mode,
Inverting PWM Controller
18 ______________________________________________________________________________________
Chip Information
TRANSISTOR COUNT: 2441
PROCESS TECHNOLOGY: BiCMOS
SUPPLIER COMPONENT PHONE WEBSITE
AVX Capacitors 803-946-0690 www.avxcorp.com
Central Semiconductor Diodes 516-435-1110 www.centralsemi.com
Coilcraft Inductors 847-639-6400 www.coilcraft.com
Dale Resistors 402-564-3131 www.vishay.com/brands/dale/main.html
Fairchild MOSFETs 408-721-2181 www.fairchildsemi.com
International
Rectifier
MOSFETs 310-322-3331 www.irf.com
IRC Resistors 512-992-7900 www.irctt.com
Kemet Capacitors 864-963-6300 www.kemet.com
On Semiconductor MOSFETs, Diodes 602-303-5454 www.onsemi.com
Panasonic Capacitors, Resistors 201-348-7522 www.panasonic.com
Sanyo Capacitors 619-661-6835 www.secc.co.jp
Siliconix MOSFETs 408-988-8000 www.siliconix.com
Sprague Capacitors 603-224-1961 www.vishay.com/brands/sprague/main.html
Sumida Inductors 847-956-0666 www.remtechcorp.com
Vitramon
Resistors 203-268-6261 www.vishay.com/brands/vitramon/main.html
Component Suppliers
Note: Please indicate that you are using the MAX1846/MAX1847 when contacting these component suppliers.
16-PIN QSOP
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
POL SYNC
IN
EXT
CS
PGND
GND
GND
N.C.
MAX1847
VL
FREQ
FB
COMP
REF
N.C.
1
2
3
4
5
10
9
8
7
6
IN
EXT
CS
PGNDREF
COMP
FREQ
VL
MAX1846
10-PIN µMAX
TOP VIEW
GNDFB
SHDN
Pin Configurations