MAX8555AEUB-T Maxim Integrated Products, MAX8555AEUB-T Datasheet - Page 5

• Manufacturer Part Number: MAX8555AEUB-T
• Description: MOSFET & Power Driver ICs .5-3.3V ORing MOSFET Controller
• Manufacturer: Maxim Integrated Products

Specifications of MAX8555AEUB-T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
T
Note 1: Guaranteed by design. Not production tested.
Note 2: Gate shutdown delay is measured from reverse-current fault to the start of gate-voltage falling or from TIMER to the start of
Note 3: Specifications to -40°C are guaranteed by design and not production tested.
TIMER
TIMER Voltage
TIMER Maximum Source Current
TIMER High Input Current
TIMER Maximum Frequency
Select Voltage Input Range
TIMER Logic High, V
TIMER Logic Low, V
FAULT
Fault Output Low Voltage
Fault Sink Current
GATE
Gate-On Threshold
Gate-Drive Current
Gate Shutdown Delay
CURRENT SENSE
Reverse-Current Threshold
Forward-Current Threshold
OVERVOLTAGE PROTECTION
OVP Fault Threshold, V
UNDERVOLTAGE PROTECTION
UVP Fault Threshold, V
A
DD
= -40°C to +85°C, unless otherwise noted.) (Note 3)
= 12V, V
Low-Cost, High-Reliability, 0.5V to 3.3V ORing
gate-voltage falling.
PARAMETER
CS-
= 1.4V, V
_______________________________________________________________________________________
IL
IH
OVP
UVP
CS+
= 1.5V, R
V
V
(Note 1)
Charge pump enabled
Charge pump disabled
I
V
Measured from CS- to CS+
V
Measured from CS- to CS+
Measured from CS+ to CS-
OVP rising
UVP rising
FAULT
TIMER
TIMER
GATE
FAULT
TIMER
= V
= 10mA
= 1.0V
= 1.5V
= 0.4V
CS+
= 25kΩ, V
= 2.5V
UVP
CONDITIONS
= 1V, V
MAX8555
MAX8555A
R
R
V
I
MAX8555
MAX8555A
OVP
REV
TIMER
TIMER
TIMER
= 0.25V, R
fault
MOSFET Controllers
= open
= 25k
falling
FAULT
= 50kΩ, C
0.488
1.22
0.49
MIN
1.5
1.1
85
15
80
35
17
34
16
8
6
VDD
TYP
= C
GATE
0.512
= C
MAX
1.28
0.51
115
120
200
150
V
0.5
0.2
15
65
33
16
46
24
14
VL
VL
= 0.01µF,
UNITS
mA
mV
mV
mV
µA
µA
µA
ns
V
V
V
V
V
V
V
5