MAX5082 MAXIM [Maxim Integrated Products], MAX5082 Datasheet - Page 4

• Manufacturer Part Number: MAX5082
• Description: 1.5A, 40V, MAXPower Step-Down DC-DC Converters
• Manufacturer: MAXIM [Maxim Integrated Products]

1.5A, 40V, MAXPower Step-Down
DC-DC Converters
(V
4
IN
250
225
200
175
150
125
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
_______________________________________________________________________________________
75
50
25
= 12V, see Figure 5 (MAX5082) and Figure 6 (MAX5083), T
0
0
-40
UNDERVOLTAGE LOCKOUT HYSTERESIS
0
T
V
A
ON/OFF
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5082)
= +135°C
vs. TEMPERATURE (MAX5082)
-15
5
T
A
10
= 0V
260
258
256
254
252
250
248
246
244
242
240
= +25°C
10
TEMPERATURE (°C )
INPUT VOLTAGE (V)
-40
15
35
T
A
20
= +85°C
-15
T
A
OPERATING FREQUENCY
60
= -40°C
V
V
25
IN
vs. TEMPERATURE
IN
10
= 4.5V
TEMPERATURE (°C)
= 40V
85
30
35
110
35
60
135
40
85
110
300
275
250
225
200
175
150
125
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
75
50
25
0
0
135
-40
UNDERVOLTAGE LOCKOUT HYSTERESIS
0
T
V
A
ON/OFF
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5083)
= +25°C
vs. TEMPERATURE (MAX5083)
-15
5
10
= 0V
10
TEMPERATURE (°C )
INPUT VOLTAGE (V)
A
T
T
A
15
A
= +25°C, unless otherwise noted.)
= +85°C
35
= -40°C
20
T
A
Typical Operating Characteristics
60
= +135°C
25
85
30
110
35
135
100
40
98
96
94
92
90
88
86
84
82
80
0
vs. INPUT VOLTAGE (MAX5082)
5
0.20
0.15
0.10
0.05
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
MAXIMUM DUTY CYCLE
0
0
10
-40
0
INPUT VOLTAGE (V)
ON/OFF THRESHOLD HYSTERESIS
15
vs. INPUT VOLTAGE (MAX5082)
-15
5
NO-LOAD SUPPLY CURRENT
T
A
20
= +25°C
10
vs. TEMPERATURE
10
TEMPERATURE (°C )
INPUT VOLTAGE (V)
T
25
A
15
= +85°C
35
30
20
T
A
60
= -40°C
35
25
T
A
= +135°C
85
40
30
110
35
135
40