MAX5988BEVKIT# Maxim Integrated, MAX5988BEVKIT# Datasheet - Page 3

• Manufacturer Part Number: MAX5988BEVKIT#
• Description: Power Management IC Development Tools MAX5988B Eval Kit
• Manufacturer: Maxim Integrated

Specifications of MAX5988BEVKIT#

• Rohs: yes

ELECTRICAL CHARACTERISTICS (continued)
(V
C1 = 68nF, C2 = 10µF, C3 = 1µF (see
enced to GND, unless otherwise noted. T
Maxim Integrated
IEEE 802.3af-Compliant, High-Efficiency, Class 1/Class 2,
V DD Turn-On Voltage
V DD Turn-Off Voltage
V DD Turn-On/Off Hysteresis
V DD Deglitch Time
Inrush to Operating Mode Delay
Isolation Power MOSFET On-
Resistance
MAINTAIN POWER SIGNATURE (MPS = VDRV)
PoE MPS Current Rising
Threshold
PoE MPS Current Falling
Threshold
PoE MPS Current Threshold
Hysteresis
PoE MPS Output Average
Current
PoE MPS Peak Output Current
PoE MPS Time High
PoE MPS Time Low
CURRENT LIMIT
Inrush Current Limit
Current Limit During Normal
Operation
LOGIC
WAD Detection Rising Threshold
WAD Detection Falling Threshold
WAD Detection Hysteresis
WAD Input Current
CLASS2, MPS Voltage Rising
Threshold
DD
= 48V, R
Powered Devices with Integrated DC-DC Converter
PARAMETER
SIG
= 24.9kω, LED, V
CC
V CLASS2, RISE
, SL, ULP, WK, RESET, LDO_OUT unconnected, WAD = LDO_EN = LDO_IN = PGND = GND,
Figure
V HYST_UVLO
V WAD_FALL
V WAD_RISE
I MPS_PEAK
I MPS_HIGH
I MPS_FALL
I MPS_RISE
I MPS_LOW
I MPS_HYS
I MPS_AVE
A
t OFF_DLY
R ON_ISO
SYMBOL
I INRUSH
t DELAY
= T
V OFF
I WAD
V ON
I LIM
3), V
J
= -40°C to +85°C, unless otherwise noted. Typical values are at T
FB
= V
AUX
V DD rising
V DD falling
(Note 6)
V DD falling from 40V to 20V
(Note 5)
t DELAY = time after (V DD - V CC )
from 1.5V to 0V
I VCC = 100mA
During initial turn-on period,
V DD - V CC = 4V, measured at V CC
After inrush completed, V CC = V DD
- 1.5V, measured at V CC
V WAD = 24V
= 0V, LX unconnected, CLASS2 = 0V, MPS = 0V. All voltages are refer-
CONDITIONS
MAX5988A/MAX5988B
T J = +25°C
T J = +85°C
37.2
MIN
290
5.8
30
18
14
10
39
TYP
38.8
31.5
28.7
12.6
150
123
190
321
125
7.3
1.2
1.5
4.3
4.8
0.6
24
95
49
A
= +25°C.) (Note 3)
MAX
360
8.8
2.9
40
40
35
60
UNITS
mA
mA
mA
mA
mA
mA
mA
ms
ms
ms
µA
µs
ω
V
V
V
V
V
V
V
3