Owner manual

MAX5927/MAX5929
Low-Voltage, Quad, Hot-Swap
Controllers/Power Sequencers
_______________________________________________________________________________________ 5
0
2
4
6
8
GATE-DRIVE VOLTAGE
vs. INPUT VOLTAGE
MAX5927 toc04
V
INW
(V)
V
DRIVEW
(V)
0682 4 10 12 14
V
INX
= V
INY
= V
INZ
= 2.7V
0
30
90
60
120
150
GATE CHARGE CURRENT
vs. GATE VOLTAGE
MAX5927 toc05
V
GATEW
(V)
GATE CHARGE CURRENT (µA)
01051520
V
ONW
= V
INX
= V
INY
= V
INZ
= 2.7V
V
INW
= 1V
V
INW
= 5V
V
INW
= 13.2V
0
40
120
80
160
200
GATE CHARGE CURRENT
vs. TEMPERATURE
MAX5927 toc06
TEMPERATURE (
°
C)
GATE CHARGE CURRENT (µA)
-40 3510-15 60 85
V
ONW
= V
INX
= V
INY
= V
INZ
= 2.7V
V
GATEW
= 0V
V
INW
= 13.2V
V
INW
= 5V
0
2
1
4
3
5
6
020
GATE DISCHARGE CURRENT (NORMAL)
vs. GATE VOLTAGE
MAX5927 toc07
V
GATEW
(V)
GATE DISCHARGE CURRENT (mA)
841216
V
ONW
= 0V
V
INX
= V
INY
= V
INZ
= 2.7V
V
INW
= 13.2V
V
INW
= 1V
V
INW
= 5V
V
INW
= 3.3V
0
2
1
4
3
5
6
-40 85
GATE DISCHARGE CURRENT (NORMAL)
vs. TEMPERATURE
MAX5927 toc08
TEMPERATURE (
°
C)
GATE DISCHARGE CURRENT (mA)
10-15 35 60
V
ONW
= 0V
V
INX
= V
INY
= V
INZ
= 2.7V
V
INW
= 13.2V
V
INW
= 5V
V
INW
= 3.3V
V
INW
= 1V
10
0 25 50 75 100 125
1
0.1
0.01
0.001
0.0001
TURN-OFF TIME
vs. SENSE VOLTAGE
MAX5927 toc09
V
INW
- V
SENSEW
(mV)
TURN-OFF TIME (ms)
SLOW-COMPARATOR
THRESHOLD
FAST-COMPARATOR
THRESHOLD
TURN-OFF TIME vs. SENSE VOLTAGE
(EXPANDED SCALE)
MAX5927 toc10
V
INW
- V
SENSEW
(mV)
TURN-OFF TIME (ms)
10
0.1
1
20 25 30 35 40 45 50
SLOW-COMPARATOR THRESHOLD
0
20
60
40
100
80
120
SLOW-COMPARATOR THRESHOLD
vs. R
LIMW
MAX5927 toc11
R
LIMW
(kΩ)
V
SC,TH
(mV)
0
2
4
6
8
10
0
20
40
60
STARTUP PERIOD
vs. R
TIM
MAX5927 toc12
R
TIM
(kΩ)
t
START
(ms)
0 100 200 400300 500
Typical Operating Characteristics (continued)
(Typical Operating Circuits, Q1 = Q2 = Q3 = Q4 = Fairchild FDB7090L, V
IN1
= 12V, V
IN2
= 5.0V, V
IN3
= 3.3V, V
IN4
= 1.0V, T
A
=
+25°C, unless otherwise noted. Channels 1 through 4 are identical in performance. Where characteristics are interchangeable,
channels 1 through 4 are referred to as W, X, Y, and Z.)