MAX6841IUKD4+T Maxim Integrated, MAX6841IUKD4+T Datasheet - Page 8

• Manufacturer Part Number: MAX6841IUKD4+T
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: MAX6841, MAX6842, MAX6843, MAX6844, MAX6845r

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