MAX5943 Maxim Integrated Products, MAX5943 Datasheet - Page 5

• Manufacturer Part Number: MAX5943
• Description: FireWire Current Limiter and Low-Drop ORing Switch Controller
• Manufacturer: Maxim Integrated Products

(V
IN
62.0
61.5
61.0
60.5
60.0
59.5
59.0
58.5
58.0
57.5
57.0
56.5
56.0
12.0
11.5
11.0
10.5
10.0
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
= +12V, T
THRESHOLD VOLTAGE vs. TEMPERATURE
-40
-40
5
ILIM = IN
CURRENT-LIMIT/CIRCUIT-BREAKER
10
ORing THRESHOLD VOLTAGE
-15
-15
OR_ADJ = GND
A
T
vs. SUPPLY VOLTAGE
A
V
OR_ADJ = OPEN
vs. TEMPERATURE
= +25°C, unless otherwise noted.)
T
15
SUPPLY CURRENT
IN
= -40°C
SUPPLY VOLTAGE (V)
A
TEMPERATURE (°C)
TEMPERATURE (°C)
= 12V
= +85°C
10
10
_______________________________________________________________________________________
20
T
V
FireWire Current Limiter and Low-Drop
25
A
IN
OR_ADJ = IN
35
35
= +25°C
= 32V
V
30
IN
= 7.5V
60
60
35
40
85
85
42.0
41.5
41.0
40.5
40.0
39.5
39.0
38.5
38.0
37.5
37.0
36.5
36.0
47.0
46.5
46.0
45.5
45.0
44.5
44.0
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
THRESHOLD VOLTAGE vs. TEMPERATURE
-40
-40
5
GATE CURRENTS vs. TEMPERATURE
ILIM = FLOATING
CURRENT-LIMIT/CIRCUIT-BREAKER
SHUTDOWN SUPPLY CURRENT
10
-15
-15
vs. SUPPLY VOLTAGE
15
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
GATE2
10
10
ORing Switch Controller
20
Typical Operating Characteristics
25
35
GATE1
35
30
60
60
35
85
85
40
5.260
5.257
5.254
5.251
5.248
5.245
5.242
5.239
5.236
5.233
5.230
52.0
51.5
51.0
50.5
50.0
49.5
49.0
48.5
48.0
47.5
47.0
46.5
46.0
0.01
100
0.1
10
1
-40
-40
THRESHOLD VOLTAGE vs. TEMPERATURE
1
ILIM = GND
CURRENT-LIMIT/CIRCUIT-BREAKER
MAX5943A
TIMEOUT PERIOD vs. R
-15
-15
GATE1 DRIVE VOLTAGE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
10
V
IN
V
10
IN
10
www.DataSheet4U.com
= 32V
R
= 12V
TIM
MAX5943E
(kΩ)
35
35
V
100
IN
= 7.5V
TIM
60
60
1000
85
85
5