MAX6841IUKD4+T Maxim Integrated, MAX6841IUKD4+T Datasheet - Page 5
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MAX6841IUKD4+T
Manufacturer Part Number
MAX6841IUKD4+T
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX6841, MAX6842, MAX6843, MAX6844, MAX6845r
Datasheet
1.MAX6841IUKD4T.pdf
(24 pages)
Specifications of MAX6841IUKD4+T
Number Of Voltages Monitored
1
Monitored Voltage
0.9 V to 1.5 V
Undervoltage Threshold
1.35 V
Overvoltage Threshold
1.425 V
Output Type
Active High, Active Low, Push-Pull
Manual Reset
Resettable
Watchdog
No Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
2240 ms
Supply Voltage - Max
1.8 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SOT-23
Chip Enable Signals
No
Maximum Power Dissipation
571 mW
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Supply Current (typ)
8.1 uA
Supply Voltage - Min
0.75 V
ELECTRICAL CHARACTERISTICS
(V
unless otherwise noted.) (Note 1)
GENERAL
V
V
VLG Operating Range
V
V
VLG Operating Supply Current
V
V
VLG Shutdown Current
TIME Output Voltage
ILIM Input Bias
VPOS Output Voltage
REFERENCE
Reference Voltage
SOFT-START
Ramp Period
ERROR AMPLIFIER
GNDS Input Bias Current
Output Regulation Voltage
Accuracy
FAULT PROTECTION
V
VLG UVLO Threshold
Output Overvoltage Fault
Threshold
Output UVLO Threshold
CURRENT LIMIT
Current-Limit Threshold
VCC
CC
DD
CC
DD
CC
DD
DD
Operating Range
Operating Range
Operating Supply Current
Operating Supply Current
Shutdown Current
Shutdown Current
UVLO Threshold
= 12V, V
PARAMETER
EN
= V
_______________________________________________________________________________________
VDD
Controllers with Controlled VID Change
= 5V, PGND = GNDS = GND, VID_= GND, C
Two-Phase Desktop CPU Core Supply
MAX1937
MAX1938/MAX1939
V
FB above threshold (no switching)
FB above threshold (no switching)
FB above threshold (no switching)
EN = GND
EN = GND, VID_ not connected
EN = GND
V
CS_ = GND, VPOS connected to REF through a 75kΩ
resistor
-50µA ≤ I
MAX1937
MAX1938
MAX1939
Rising or falling V
Rising or falling VLG
Rising and falling
Rising and falling percentage of the nominal
regulation voltage
PGND to CS_, V
PGND to CS_, V
PGND to CS_, V
VLG
ILIM
≥ V
= 1V
VDD
REF
≤ 50µA
ILIM
ILIM
ILIM
DD
MAX1937/MAX1938
MAX1939
= 1.5V
= 1V
= 0.5V
CONDITIONS
VPOS
= 47pF, C
REF
= 0.1µF, V
2.215
1.96
-250
1.96
1.98
4.00
4.00
1.97
MIN
135
4.5
4.5
1.1
1.5
1.3
20
65
90
45
-5
-1
6
8
ILIM
= 1V, T
TYP
A
= -40°C to +85°C,
2.285
+250
MAX
2.04
2.04
2.02
4.45
4.45
2.03
100
165
110
5.5
6.5
2.5
5.5
6.6
7.0
+5
+1
24
24
40
60
75
55
5
5
UNITS
mA
mV
ms
µA
µA
µA
µA
µA
nA
µA
%
%
V
V
V
V
V
V
V
V
V
5