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1N6072A
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
MAX5921/MAX5939
-48V Hot-Swap Contr
ollers with Exter
nal
R
SENSE
and High Gate Pulldown Curr
ent
4
_______________________________________________________________________________________
T
ypical Operating Characteristics
(V
DD
= +48V, V
EE
= 0V, T
A
= +25°C, unless otherwise noted.)
43.0
43.2
43.8
43.6
43.4
44.8
44.6
44.2
44.0
44.4
45.0
-40
10
-15
35
6
08
5
GATE PULLUP CURRENT
vs. TEMPERATURE
MAX5921TOC04
TEMPERATURE (
°
C)
GATE PULLUP CURRENT (
µ
A)
V
GATE
= 0V
25
30
45
40
35
65
55
50
60
70
-40
10
-15
35
6
08
5
GATE PULLDOWN CURRENT
vs. TEMPERATURE AFTER A FAULT
MAX5921TOC05
TEMPERATURE (
°
C)
GATE PULLDOWN CURRENT (mA)
V
GATE
= 2V
0
15
60
45
30
75
90
04
0
20
60
80
100
GATE PULLDOWN CURRENT
vs. OVERDRIVE DURING A CURRENT FAULT
MAX5921TOC06
OVERDRIVE (mV)
GATE PULLDOWN CURRENT (mA)
V
GATE
= 2V
0
100
400
300
200
500
600
900
750
1050
1200
GATE PULLDOWN CURRENT
vs. OVERDRIVE DURING A SHORT CIRCUIT
MAX5921TOC07
OVERDRIVE (mV)
GATE PULLDOWN CURRENT (mV)
V
GATE
= 2V
0
40
160
120
80
20
140
100
60
180
-40
10
-15
35
60
85
PWRGD OUTPUT LOW VOLTAGE
vs. TEMPERATURE (MAX5921A)
MAX5921TOC08
TEMPERATURE (
°
C)
PWRGD OUTPUT LOW VOLTAGE (mV)
I
OUT
= 5mA
0.001
0.01
10
1
0.1
100
-40
10
-15
35
60
85
PWRGD OUTPUT LEAKAGE CURRENT
vs. TEMPERATURE (MAX5921B)
MAX5921TOC09
TEMPERATURE (
°
C)
PWRGD OUTPUT LEAKAGE CURRENT (nA)
V
DRAIN
- V
EE
> 2.4V
0
200
100
500
400
300
800
700
600
900
04
0
20
60
80
100
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5921TOC01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
7
9
8
12
11
10
14
13
15
04
0
20
60
80
100
GATE VOLTAGE
vs. SUPPLY VOLTAGE
MAX5921TOC02
SUPPLY VOLTAGE (V)
GATE VOLTAGE (V)
T
A
= +25
°
C
40
42
48
46
44
58
56
52
50
54
60
-40
10
-15
35
6
08
5
CURRENT-LIMIT TRIP VOLTAGE
vs. TEMPERATURE
MAX5921TOC03
TEMPERATURE (
°
C)
TRIP VOLTAGE (mV)
MAX5921/MAX5939
-48V Hot-Swap Contr
ollers with Exter
nal
R
SENSE
and High Gate Pulldown Curr
ent
_______________________________________________________________________________________
5
MAX5921
MAX5939
PWRGD/PWRGD
OV
UV
V
EE
V
DD
DRAIN
GATE
SENSE
R
5k
Ω
V+
5V
V
OV
V
UV
V
SENSE
V
DRAIN
V
S
+
-
+48V
Figure 1a. Test Circuit 1
MAX5921
MAX5939
OV
UV
V
EE
V
DD
DRAIN
GATE
SENSE
V
UV
V
S
+
-
+48V
V
S
+
-
+20V
10k
Ω
10
Ω
IRF530
0.1
µ
F
PWRGD/PWRGD
Figure 1b. Test Circuit 2
MAX5921/MAX5939
-48V Hot-Swap Contr
ollers with Exter
nal
R
SENSE
and High Gate Pulldown Curr
ent
6
_______________________________________________________________________________________
Timing Diagrams
1.255V
OV
t
PHLOV
0V
2V
1V
1.205V
1V
t
PLHOV
GATE
Figure 2. OV to GATE Timing
t
PHLUV
1.125V
1V
1V
1.255V
t
PLHUV
UV
0V
2V
GATE
Figure 3. UV to GATE Timing
60mV
1V
100mV
GATE
SENSE
V
EE
t
PHLSENSE
Figure 4a. SENSE to GATE Timing
t
PHLCL
1V
1V
UV
GATE
Figure 4b. Active Current-Limit Threshold
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
1N6072A
Mfr. #:
Buy 1N6072A
Manufacturer:
Microchip / Microsemi
Description:
TVS Diodes / ESD Suppressors Bi-Directional TVS
Lifecycle:
New from this manufacturer.
Delivery:
DHL
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Ups
TNT
EMS
Payment:
T/T
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