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MAX6879ETE+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
MAX6877/MAX6878/MAX6879
Dual-/Triple-Voltage, Power-Supply
Trackers/Sequencers/Supervisors
10 ______________________________________________________________________________________
Figure 8. t
FAULT
and t
RETRY
Timing Diagram in Sequencing
Figure 7. t
FAULT
and t
RETRY
Timing Diagram in Tracking
MAX6877/MAX6878/MAX6879
Dual-/Triple-Voltage, Power-Supply
Trackers/Sequencers/Supervisors
______________________________________________________________________________________ 11
NORMALIZED POWER-GOOD TIMEOUT
vs. TEMPERATURE
MAX6877 toc02
TEMPERATURE (
°
C)
NORMALIZED POWER-GOOD TIMEOUT
6035-15 10
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
0.75
-40 85
POWER-GOOD TIMEOUT
vs. C
TIMEOUT
MAX6877 toc03
C
TIMEOUT
(
µ
F)
POWER-GOOD TIMEOUT (ms)
0.10.010.001
1
10
100
1000
0.1
0.0001 1
NORMALIZED DELAY TIMEOUT
vs. TEMPERATURE
MAX6877 toc05
TEMPERATURE (
°
C)
NORMALIZED DELAY TIMEOUT
603510-15
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
0.75
-40 85
SLEW RATE
vs. C
SLEW
MAX6877 toc06
C
SLEW
(pF)
SLEW RATE (V/s)
100 1000
100
1000
10,000
10
10 10,000
DELAY TIMEOUT
vs. C
DELAY
MAX6877 toc07
C
DELAY
(µF)
DELAY TIMEOUT (ms)
0.10.010.001
1
10
100
1000
0.1
0.0001 1
V
CC
SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX6877 toc01
INPUT VOLTAGE (V)
V
CC
SUPPLY CURRENT (mA)
5.04.54.03.53.0
0.9
1.0
1.1
1.2
1.3
1.4
0.8
2.5 5.5
T
A
= +85
°
C
T
A
= -40
°
C
T
A
= +25
°
C
NORMALIZED SET_ THRESHOLD
vs. TEMPERATURE
MAX6877 toc04
TEMPERATURE (
°
C)
NORMALIZED SET_ THRESHOLD
603510-15
0.996
0.997
0.998
0.999
1.000
1.001
1.002
1.003
1.004
1.005
0.995
-40 85
NORMALIZED EN/UV THRESHOLD
vs. TEMPERATURE
MAX6877 toc08
TEMPERATURE (°C)
NORMALIZED EN_/UV THRESHOLD
603510-15
0.996
0.997
0.998
0.999
1.000
1.001
1.002
1.003
1.004
1.005
0.995
-40 85
IN_ TRANSIENT DURATION
vs. IN_ THRESHOLD OVERDRIVE
MAX6877 toc09
IN_ THRESHOLD OVERDRIVE (mV)
IN_ TRANSIENT DURATION (µs)
25020015010050
3
6
9
12
15
18
21
24
27
30
0
0 300
PG/RST GOES LOW ABOVE THE CURVE
IN_ = 3.3V
Typical Operating Characteristics
(V
CC_
= 2.7V to 5.5V, C
SLEW
= 200pF, EN = MARGIN = ABP, T
A
= +25°C, unless otherwise noted.)
MAX6877/MAX6878/MAX6879
Dual-/Triple-Voltage, Power-Supply
Trackers/Sequencers/Supervisors
12 ______________________________________________________________________________________
GATE_ OUTPUT VOLTAGE HIGH
vs. GATE SOURCE CURRENT
MAX6877 toc11
GATE SOURCE CURRENT (
µ
A)
GATE_ VOLTAGE HIGH (V)
2.52.01.51.00.5
1
2
3
4
5
6
7
8
9
10
0
03.0
TRACKING MODE
MAX6877 toc12
10ms/div
OUT1
OUT2
1V/div
EN/UV
2V/div
OUT3
SEQUENCING MODE
MAX6877 toc13
20ms/div
OUT1
OUT2
1V/div
EN/UV
2V/div
OUT3
FAST SHUTDOWN
MAX6877 toc14
40ms/div
OUT1
OUT2
1V/div
EN/UV
2V/div
OUT3
FAULT
2V/div
Typical Operating Characteristics (continued)
(V
CC_
= 2.7V to 5.5V, C
SLEW
= 200pF, EN = MARGIN = ABP, T
A
= +25°C, unless otherwise noted.)
GATE_ VOLTAGE LOW
vs. GATE SINK CURRENT
MAX6877 toc10
GATE SINK CURRENT (mA)
GATE_ VOLTAGE LOW (V)
981 2 3 5 64 7
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
010
FAST SHUTDOWN WITH RETRY
MAX6877 toc15
100ms/div
FAULT
1V/div
OUT2
2V/div
OUT1
2V/div
OUT3
2V/div
THRESHOLD ERROR
AT OUT1,
OUT1 PULLED BELOW
92.5% OF IN1
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

MAX6879ETE+T

Mfr. #:
Buy MAX6879ETE+T
Manufacturer:
Maxim Integrated
Description:
Supervisory Circuits Dual Power-Sup Sequencer
Lifecycle:
New from this manufacturer.
Delivery:
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