MAX4945AELA+T Maxim Integrated Products, MAX4945AELA+T Datasheet - Page 3

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MAX4945AELA+T

Manufacturer Part Number
MAX4945AELA+T
Description
IC CTLR OVP W/FET 5.80V 8-UDFN
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX4945AELA+T

Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MAX4945AELA+T
MAX4945AELA+TTR
ELECTRICAL CHARACTERISTICS (continued)
(V
Typical values are at T
Note 1: All specifications are 100% production tested at T
(T
ACOK Output-Low Voltage
ACOK High-Leakage Current
Thermal Shutdown
Thermal-Shutdown Hysteresis
Load Capacitor
TIMING CHARACTERISTICS (Figure 2)
Debounce Time
Switch Turn-On Time
ACOK Assertion Time
Switch Turn-Off Time
Autoretry Time
IN
A
300
270
240
210
180
150
120
90
60
30
= +25°C, unless otherwise noted.)
0
= +5V (MAX4943/MAX4944_/MAX4945_/MAX4949), V
2
and are guaranteed by design.
MAX4944
PARAMETER
6
vs. SUPPLY VOLTAGE
SUPPLY CURRENT
10
SUPPLY VOLTAGE (V)
_______________________________________________________________________________________
14
Overvoltage-Protection Controllers with
A
= +25°C.) (Note 1)
18
22
26
SYMBOL
t
t
t
INDBC
RETRY
ACOK
t
V
t
OFF
ON
OL
140
120
100
80
60
40
20
0
I
V
Time from V
pump enable
V
C
to 80% of V
V
V
switch off
Overcurrent fault to internal switch turn-off
From overcurrent fault to internal switch
turn-on
SINK
-40
UVLO
UVLO
IN
ACOK
LOAD
< V
= 1mA
< V
< V
= 300µF, V
UVLO
= 5.5V
-15
A
= +25°C, unless otherwise noted. Specifications are over -40°C to +85°C
IN
IN
vs. TEMPERATURE
OUT
IN
UVLO
TEMPERATURE (°C)
< V
< V
or V IN > V
= +3V (MAX4946), T
10
CONDITIONS
OVLO
OVLO
R
< V
ON
OUT
IN
Typical Operating Characteristics
35
, R
, to ACOK low
= from 10% of V
OVLO
< V
LOAD
OVLO
60
, to internal
= 100 Ω ,
to charge-
85
A
= -40°C to +85°C, unless otherwise noted.
OUT
1.010
1.008
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
0.990
-40
MIN
Internal FET
NORMALIZED UVLO THRESHOLD
-15
vs. TEMPERATURE
+175
TYP
TEMPERATURE (°C)
40
15
30
10
15
6
2
10
MAX
300
35
0.4
20
1
60
UNITS
ms
ms
ms
ms
µA
°C
°C
µF
µs
µs
V
85
3

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