Low-Voltage, Dual Hot-Swap Controllers with
Independent On/Off Control
4  _______________________________________________________________________________________
0
0.6
0.4
0.2
1.0
0.8
1.8
1.6
1.4
1.2
2.0
0
2
4
6
8    10    12    14
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
V
INX
 (V)
V
INY
 = V
ON1
 = V
ON2
 = 2.7V
I
INX
 + I
INY
I
INX
I
INY
0
0.6
0.4
0.2
1.0
0.8
1.8
1.6
1.4
1.2
2.0
0
2
4
6
8    10    12    14
TOTAL SUPPLY CURRENT
vs. SUPPLY VOLTAGE
V
INX
 (V)
V
INY
 = 5.0V
A) V
ON1
 = V
ON2
 = 3.3V
B) V
ON1
 = V
ON2
 = 1.5V
C) V
ON1
 = V
ON2
 = 0
A
C
B
0
0.6
0.4
0.2
0.8
1.0
1.2
1.4
1.6
1.8
2.0
-40
10
-15
35
60
85
SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (癈)
V
ON1
 = V
IN1
V
ON2
 = V
IN2
I
IN1
 + I
IN2
I
IN2
I
IN1
0
2
1
4
3
5
6
0
6
8
2
4
10    12    14
GATE-DRIVE VOLTAGE
vs. INPUT VOLTAGE
V
INX
 (V)
V
INY
 = 2.7V
0
60
40
20
80
100
120
140
160
180
200
0
20
GATE CHARGE CURRENT
vs. GATE VOLTAGE
V
GATEX
 (V)
5
10
15
V
INY
 = 2.7V
V
INX
 = 13.2V
V
INX
 = 5V
V
INX
 = 1V
0
60
40
20
80
100
120
140
160
180
200
-40
10
-15
35
60
85
GATE CHARGE CURRENT
vs. TEMPERATURE
TEMPERATURE (癈)
V
INX
 = 13.2V
V
INX
 = 5V
V
INX
 = 1V
V
INY
 = 2.7V
V
GATEX
 = 0
0
2
1
4
3
5
6
0
10
5
15
20
GATE STRONG DISCHARGE CURRENT
vs. GATE VOLTAGE
V
GATEX
 (V)
V
INX
 = 13.2V
V
INX
 = 5V
V
INX
 = 1V
V
ON1
 = V
ON2
= 0
V
INY
 = 2.7V
V
GATEX
 = V
INX
 + 6.2V
0
2
1
4
3
5
6
-40
10
-15
35
60
85
GATE STRONG DISCHARGE CURRENT
vs. TEMPERATURE
TEMPERATURE (癈)
V
INX
 = 13.2V
V
INX
 = 5V
V
INX
 = 1V
V
ON1
 = V
ON2
 = 0
V
INY
 = 2.7V
V
GATEX
 = V
INX
 + 6.2V
0.0001
0.001
0.1
0.01
1
10
0
50   75
25
100  125  150  175  200
TURN-OFF TIME vs. SENSE VOLTAGE
V
IN
 - V
SENSE
 (mV)
SLOW-COMP. THRESHOLD
FAST-COMP. THRESHOLD
Typical Operating Characteristics
(Typical Operating Circuits, Q1 = Q2 = Fairchild FDB7090L, V
IN1
= +5V, V
IN2
= +3.3V, V
ON1
= V
ON2
= +2.7V, T
A
= +25癈, unless
otherwise noted. Channels 1 and 2 are identical in performance. Where characteristics are interchangeable, channels 1 and 2 are
referred to as X and Y.)
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