MAX8555 MAXIM [Maxim Integrated Products], MAX8555 Datasheet - Page 3
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MAX8555
Manufacturer Part Number
MAX8555
Description
Low-Cost, High-Reliability, 0.5V to 3.3V ORing MOSFET Controllers
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.MAX8555.pdf
(17 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
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Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX8555AEUB+
Manufacturer:
Maxim Integrated Products
Quantity:
135
Company:
Part Number:
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Manufacturer:
MAXIM
Quantity:
14
ELECTRICAL CHARACTERISTICS (continued)
(V
T
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
Fault Leakage Current
GATE
Gate-On Threshold
Gate-Drive Current
Gate Shutdown Delay
Gate Discharge Current
GATE Fall Time
CURRENT SENSE
Reverse-Current Threshold
Startup I
Forward-Current Threshold
A
DD
= 0°C to +85°C, unless otherwise noted.)
= 12V, V
Low-Cost, High-Reliability, 0.5V to 3.3V ORing
REV
PARAMETER
Blank Time
CS-
= 1.4V, V
_______________________________________________________________________________________
IL
IH
CS+
= 1.5V, R
V
V
(Note 1)
Charge pump enabled
Charge pump disabled
I
V
V
Measured from CS- to CS+
V
V
V
V
V
(Note 2)
V
Gate voltage fall from FAULT to V
R1 = 2 , Figure 3 or Figure 4
Measured from CS- to CS+
TIMER = unconnected
Measured from CS+ to CS-
FAULT
TIMER
TIMER
GATE
GATE
DD
GATE
DD
GATE
FAULT
FAULT
TIMER
= V
= V
= V
= V
= V
= V
= 10mA
= 1.0V
= 1.5V
= 0.4V
= 5.5V, T
VL
VL
CS+
CS+
CS+
CS+
= 3V
= 5V
= 25kΩ, V
= +5V
= 2.5V
= 2.5V,
= 2.5V,
A
= +25°C
UVP
CONDITIONS
= 1V, V
GATE
OVP
MAX8555
MAX8555A
R
R
R
R
R
R
V
I
MAX8555
MAX8555A
= 0.25V, R
REV
TIMER
= V
TIMER
TIMER
TIMER
TIMER
TIMER
TIMER
MOSFET Controllers
fault
CS+
= open
= 25k
= open
= 25k
= open
= 25k
falling
,
FAULT
= 50kΩ, C
1.22
MIN
1.5
1.0
85
15
80
35
17
34
16
8
6
VDD
1000
TYP
1.25
= C
100
100
100
7.5
0.2
4.1
10
50
25
12
15
30
15
60
40
20
10
GATE
MAX
= C
1.28
115
V
120
200
150
0.5
0.2
15
65
33
16
46
24
14
1
VL
VL
= 0.01µF,
UNITS
mA
mA
mV
mV
ms
mV
µA
µA
µA
µA
ns
µs
V
V
V
V
V
3