MAX6841IUKD4+T Maxim Integrated, MAX6841IUKD4+T Datasheet - Page 8
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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
Two-Phase Desktop CPU Core Supply
Controllers with Controlled VID Change
(V
8
IN
_______________________________________________________________________________________
= 12V, V
OUT
0A
70
65
60
55
50
45
40
35
30
30
25
20
15
10
-5
5
0
4.5
= 1.45V, T
0
INDUCTOR CURRENT WAVEFORMS
V
DD
4.7
10
CURRENT vs. V
CURRENT SHARING
A
LOAD CURRENT (A)
WITH 0A LOAD
IN SHUTDOWN
V
= +25°C, unless otherwise noted.)
DD
4.9
20
VOLTAGE (V)
2μs/div
VID_ NOT CONNECTED
5.1
30
DD
VOLTAGE
V
V
T
IN
OUT
A
= +25°C
= 12V
5.3
40
= 1.45V
MAX1937 toc12
Typical Operating Characteristics (continued)
5.5
50
OUTPUT RIPPLE
VOLTAGE:
20mV/div
OUTPUT INDUCTOR
CURRENTS:
10A/div
V
V
I
OUT
IN
OUT
= 12V
= 0A
= 1.45V
1.450
1.425
1.400
1.375
1.350
30
25
20
15
10
-5
0A
5
0
0
0
OUTPUT VOLTAGE vs. LOAD CURRENT
V
INDUCTOR CURRENT WAVEFORMS
IN
= 12V
10
R
10
VPOS
CURRENT SHARING
AT 1.45V OUTPUT
LOAD CURRENT (A)
LOAD CURRENT (A)
WITH 40A LOAD
= 120kΩ
20
20
2μs/div
R
30
VPOS
30
V
V
T
= 90.9kΩ
A
IN
OUT
= +80°C
= 12V
40
40
= 1.45V
MAX1937 toc13
50
50
OUTPUT RIPPLE
VOLTAGE:
20mV/div
OUTPUT INDUCTOR
CURRENTS:
10A/div
V
V
I
OUT
IN
OUT
= 12V
= 40A
= 1.45V