max5083atet Maxim Integrated Products, Inc., max5083atet Datasheet - Page 5

• Manufacturer Part Number: max5083atet
• Description: 1.5a, 40v, Maxpower Step-down Dc-dc Converters
• Manufacturer: Maxim Integrated Products, Inc.

(V
100
98
96
94
92
90
88
86
84
82
80
IN
0
= 12V, see Figure 5 (MAX5082) and Figure 6 (MAX5083), T
vs. INPUT VOLTAGE (MAX5083)
5
MAXIMUM DUTY CYCLE
10
INPUT VOLTAGE (V)
15
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
-40
20
OUTPUT VOLTAGE vs. TEMPERATURE
_______________________________________________________________________________________
I
LOAD
MAX5082
25
-15
I
= 1A
LOAD
TURN-ON/OFF WAVEFORM
30
= 0A
10
TEMPERATURE (°C)
35
I
35
2ms/div
LOAD
40
= 1A
60
1.5A, 40V, MAXPower Step-Down
85
100
-20
MAX5082/3 toc11a
80
60
40
20
0
110
OPEN-LOOP GAIN/PHASE vs. FREQUENCY
0
Typical Operating Characteristics (continued)
PHASE
0.001
135
V
2V/div
V
2V/div
0.01
ON/OFF
OUT
FREQUENCY (kHz)
0.1
A
1
= +25°C, unless otherwise noted.)
GAIN
10
100
MAX5082 toc10
1000
10,000
175
150
125
100
75
50
DC-DC Converters
100
90
80
70
60
50
40
30
20
0
0.001
I
LOAD
V
V
OUT
EFFICIENCY vs. LOAD CURRENT
IN
= 100mA
= 4.5V,
TURN-ON/OFF WAVEFORM
= 3.3V
0.01
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
LOAD CURRENT (A)
V
V
IN
OUT
0
V
V
= 40V,
MAX5082
2ms/div
IN
OUT
= 3.3V
OUTPUT IS
PULSED WITH 3% DUTY CYCLE
0.1
= 24V,
5
= 3.3V
T
V
V
A
OUTPUT CURRENT LIMIT
IN
OUT
T
= +25°C
A
= 12V,
10
vs. INPUT VOLTAGE
= +85°C
= 3.3V
V
V
INPUT VOLTAGE (V)
IN
OUT
15
1
MAX5082/3 toc11b
= 7.5V,
MAX5082
= 3.3V
20
T
A
T
= +135°C
A
10
25
= -40°C
V
2V/div
V
2V/div
ON/OFF
OUT
30
35
5
40