MAX6841IUKD3+T Maxim Integrated, MAX6841IUKD3+T Datasheet - Page 9
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MAX6841IUKD3+T
Manufacturer Part Number
MAX6841IUKD3+T
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX6841, MAX6842, MAX6843, MAX6844, MAX6845r
Datasheet
1.MAX6841IUKD4T.pdf
(24 pages)
Specifications of MAX6841IUKD3+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)
280 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
(V
IN
= 12V, V
OUT
SOFT-START WAVEFORMS
SHUTDOWN WAVEFORM
LOAD TRANSIENT
= 1.45V, T
1A TO 40A TO 1A
WITH 40A LOAD
WITH 40A LOAD
_______________________________________________________________________________________
20ms/div
1ms/div
40μs/div
Controllers with Controlled VID Change
A
= +25°C, unless otherwise noted.)
Two-Phase Desktop CPU Core Supply
MAX1937 toc16
MAX1937 toc18
MAX1937 toc14
OUTPUT VOLTAGE:
50mV/div
INDUCTOR CURRENTS:
10A/div
TRANSIENT CONTROL
SIGNAL:
C6 = 47pF
R2 = 91.1kΩ
POK SIGNAL
OUTPUT VOLTAGE:
0.5V/div
INDUCTOR CURRENT:
10A/div
ENABLE SIGNAL
POK SIGNAL
OUTPUT VOLTAGE:
0.5V/div
INDUCTOR CURRENT:
10A/div
ENABLE SIGNAL
Typical Operating Characteristics (continued)
160
140
120
100
80
60
40
0.5
CURRENT-SENSE THRESHOLD vs. V
V
V
IN
OUT
SOFT-START WAVEFORMS
= 12V
0.7
SHUTDOWN WAVEFORM
= 1.45V
WITH NO LOAD
WITH NO LOAD
0.9
T
V
1ms/div
20ms/div
A
ILIM
= +80°C
(V)
1.1
T
A
1.3
MAX1937 toc15
= +25°C
MAX1937 toc17
ILIM
1.5
INDUCTOR CURRENT:
10A/div
POK SIGNAL
OUTPUT VOLTAGE:
0.5V/div
ENABLE SIGNAL
POK SIGNAL
OUTPUT VOLTAGE:
0.5V/div
INDUCTOR CURRENT:
10A/div
ENABLE SIGNAL
9