Low-Voltage, Triple, Hot-Swap Controllers/
Power Sequencers/Voltage Trackers
_______________________________________________________________________________________   5
0
2
4
6
8
GATE-DRIVE VOLTAGE
 vs. INPUT VOLTAGE
V
INX
 (V)
0
6
8
2
4
10    12    14
V
INY
 = V
INZ
 = 2.7V
0
30
90
60
120
150
GATE CHARGE CURRENT
vs. GATE VOLTAGE
V
GATEX
  (V)
0
10
5
15
20
V
ONW
 = V
INY
 = V
INZ
 = 2.7V
V
INX
 = 13.2V
V
INX
 = 5V
V
INX
 = 1V
0
40
120
80
160
200
GATE CHARGE CURRENT
vs. TEMPERATURE
TEMPERATURE (癈)
-40
35
10
-15
60
85
V
ONX
 = V
INY
 = V
INZ
 = 2.7V
V
GATEX
 = 0V
V
INX
 = 13.2V
V
INX
 = 5V
V
INX
 = 1V
0
2
1
4
3
5
6
0
20
STRONG GATE DISCHARGE CURRENT
vs. GATE VOLTAGE
V
GATEX
 (V)
8
4
12
16
V
INX
= 13.2V
V
INX
= 1V
V
INX
= 5V
V
INX
= 3.3V
V
ONX
=
 
0V
V
INY
= V
INZ
= 2.7V
0
2
1
4
3
5
6
-40
85
STRONG GATE DISCHARGE CURRENT
vs. TEMPERATURE
TEMPERATURE (癈)
10
-15
35
60
V
INX
= 13.2V
V
INX
= 5V
V
INX
= 3.3V
V
INX
= 1V
V
ONX
=
 
0V
V
INY
= V
INZ
= 2.7V
10
0
25
50
75
100
125
1
0.1
0.01
0.001
0.0001
TURN-OFF TIME
vs. SENSE VOLTAGE
V
INX
 - V
SENSEX
 (mV)
R
LIMX
 = 100?/DIV>
SLOW-COMPARATOR
THRESHOLD
FAST-COMPARATOR
THRESHOLD
TURN-OFF TIME vs. SENSE VOLTAGE
(EXPANDED SCALE)
V
INX
 - V
SENSEX
 (mV)
10
0.1
1
20    25
30
35
40
45
50
R
LIMX
 = 100?/DIV>
SLOW-COMPARATOR THRESHOLD
0
40
20
60
100
80
120
SLOW-COMPARATOR THRESHOLD
vs. R
LIMX
R
LIMX
 (k?
0
2
6
4
8
10
0
20
40
60
STARTUP PERIOD
vs. R
TIM
R
TIM
 (k?
0
100
200
400
300
500
Typical Operating Characteristics (continued)
(Typical Operating Circuit, Q1 = Q2 = Q3 = Fairchild FDB7030L, V
IN1
= +12.0V, V
IN2
= +5.0V, V
IN3
= +1V, T
A
= +25癈, unless oth-
erwise noted. Channels 1 through 3 are identical in performance. Where characteristics are interchangeable, channels 1 through 3
are referred to as X, Y, and Z.)
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