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MAX5942BCSE+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
MAX5942A/MAX5942B
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
22 ______________________________________________________________________________________
**R1 AND R2 ARE OPTIONAL AND WHEN USED, THEY MUST TOTAL TO 25.5kΩ AND REPLACE THE 25.5kΩ RESISTOR.
*OPTIONAL.
NDRVGNDV+
V
DD
V
CC
60V
GND
-48V
POWER-SUPPLY CIRCUIT 2
POWER-SUPPLY CIRCUIT 1
RCL
**R2
R
CL
**R1
UVLO
GATE
V
EE
C
GATE
*
CS
V-
SS_SHDN
PGOOD
PGOOD
FB
OUT
VREG1
MAX5942
R
DISC
=
25.5kΩ
68nF
NDRVV+
V+
V
DD
V
CC
CS
GND
FB
VREG2
SS_SHDN
MAX5019
Figure 9. Power-Supply Circuit 1 Enabling PWM Controller of a Second Power Circuit
MAX5942A/MAX5942B
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
______________________________________________________________________________________ 23
Chip Information
TRANSISTOR COUNT: 4232
PROCESS: BiCMOS
Typical Operating Circuit
NDRVGNDV+
V
DD
V
CC
60V
GND
-48V
RCL
UVLO
GATE
V
EE
C
GATE
CS
V-
SS_SHDN
PGOOD
PGOOD
FB
OUT
VREG
MAX5942
R
DISC
=
25.5kΩ
MAX5942A/MAX5942B
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
24 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2004 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
MAX5942A/MAX5942B
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages
.)
SOICN .EPS
PACKAGE OUTLINE, .150" SOIC
1
1
21-0041
B
REV.DOCUMENT CONTROL NO.APPROVAL
PROPRIETARY INFORMATION
TITLE:
TOP VIEW
FRONT VIEW
MAX
0.010
0.069
0.019
0.157
0.010
INCHES
0.150
0.007
E
C
DIM
0.014
0.004
B
A1
MIN
0.053A
0.19
3.80 4.00
0.25
MILLIMETERS
0.10
0.35
1.35
MIN
0.49
0.25
MAX
1.75
0.050
0.016L
0.40 1.27
0.3940.386D
D
MINDIM
D
INCHES
MAX
9.80 10.00
MILLIMETERS
MIN
MAX
16
AC
0.337 0.344 AB8.758.55 14
0.189 0.197 AA5.004.80 8
N MS012
N
SIDE VIEW
H 0.2440.228 5.80 6.20
e 0.050 BSC 1.27 BSC
C
HE
e
B
A1
A
D
0∞-8∞
L
1
VARIATIONS:
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

MAX5942BCSE+T

Mfr. #:
Buy MAX5942BCSE+T
Manufacturer:
Maxim Integrated
Description:
I/O Controller Interface IC IEEE 802.3af POE Int/PWM Controller
Lifecycle:
New from this manufacturer.
Delivery:
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