MAX5941ACSE Maxim Integrated, MAX5941ACSE Datasheet - Page 4

• Manufacturer Part Number: MAX5941ACSE
• Description: Power Switch ICs - POE / LAN
• Manufacturer: Maxim Integrated

IEEE 802.3af-Compliant Power-Over-Ethernet
Interface/PWM Controller for Power Devices
ELECTRICAL CHARACTERISTICS (PWM Controller) (continued)
(All voltages referenced to V-. V
SS_SHDN, NDRV = open circuit, OPTO = V-, T
4
V+ Shutdown Current
V
PREREGULATORS/STARTUP
V+ Input Voltage
V
INTERNAL REGULATORS
V
V
OUTPUT DRIVER
Peak Source Current
Peak Sink Current
NDRV High-Side Driver
Resistance
NDRV Low-Side Driver
Resistance
PWM COMPARATOR
OPTO Input Bias Current
OPTO Control Range
Slope Compensation
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Hysteresis
CURRENT LIMIT
CS Threshold Voltage
CS Input Bias Current
Current-Limit Comparator
Propagation Delay
CS Blanking Time
OSCILLATOR
Clock Frequency Range
Max Duty Cycle
SOFT-START
SS Source Current
SS Sink Current
Peak Soft-Start Voltage Clamp
Shutdown Threshold
DD
DD
CC
CC
_______________________________________________________________________________________
Supply Voltage
Shutdown Current
Output Voltage
Undervoltage Lockout
PARAMETER
DD
= 13V, a 10µF capacitor connects V
V
SYMBOL
V
CC_UVLO
SCOMP
V
I
R
R
SSO
ILIM
OH
OL
A
= T
V
V
Powered from V+, I
Powered from V
V
V
V
V
sourcing 50mA
V
50mA
V
MAX5941A
V
0V ≤ V
25mV overdrive on CS, V
V
V
MAX5941A, V
MAX5941B, V
V
No external load
V
V
MIN
SS_SHDN
SS_SHDN
CC
CC
CC
CC
CC
OPTO
OPTO
OPTO
OPTO
SS(SHDN)
SS_SHDN
SS_SHDN
falling
= 11V (externally forced)
= 11V (externally forced)
= 11V, externally forced, NDRV
= 11V, externally forced, NDRV sinking
to +T
CS
= V
= 4V
= 4V
= 4V
≤ 2V, V
MAX
= 0V, V+ = 67V
= 0V
SS_SHDN
falling (Note 11)
rising (Note 11)
= 0V
OPTO
OPTO
, unless otherwise noted. Typical values are at T
CONDITIONS
DD
OPTO
, I
CC
= 4V
= 4V
CC
= 7.5mA, V
= 4V
CC
= 7.5mA
OPTO
to V-, V
= 4V
CS
DD
= V-, V+ = 48V, 0.1µF capacitor connected to
= 0V
2.331
-1.00
0.25
0.53
MIN
419
235
7.5
9.0
2.0
18
13
75
44
-1
2
1
2.420
1000
TYP
10.0
0.37
0.59
190
570
150
465
180
275
9.8
6.6
1.6
4.6
26
25
70
8
4
A
= +25°C.) (Note 1)
+1.00
2.500
MAX
11.0
0.41
0.65
290
510
314
6.5
20
67
36
12
12
+1
85
50
4
3
UNITS
mV/µs
kHz
mA
mA
mA
mV
µA
µA
µA
µA
µA
°C
°C
ns
ns
%
Ω
Ω
V
V
V
V
V
V
V