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MAX5083ATE+T
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
MAX5082/MAX5083
1.5A, 40V
, MAXPower Step-Down
DC-DC Conver
ters
4
_______________________________________________________________________________________
T
ypical Operating Characteristics
(V
IN
= 12V, see Figure 5 (MAX5082) and Figure 6 (MAX5083), T
A
= +25°C, unless otherwise noted.)
UNDERVOLTAGE LOCKOUT HYSTERESIS
vs. TEMPERATURE (MAX5082)
MAX5082/3 toc01
TEMPERATURE (
°
C )
UNDERVOLTAGE LOCKOUT HYSTERESIS (V)
110
85
35
60
10
-15
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
-40
135
UNDERVOLTAGE LOCKOUT HYSTERESIS
vs. TEMPERATURE (MAX5083)
MAX5082/3 toc02
TEMPERATURE (
°
C )
UNDERVOLTAGE LOCKOUT HYSTERESIS (V)
110
85
35
60
10
-15
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
-40
135
ON/OFF THRESHOLD HYSTERESIS
vs. TEMPERATURE
MAX5082/3 toc03
TEMPERATURE (
°
C )
ON/OFF THRESHOLD HSYSTERESIS (V)
110
85
60
35
10
-15
0.05
0.10
0.15
0.20
0
-40
135
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5082)
MAX5082/3 toc04
INPUT VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT (
µ
A)
35
30
20
25
10
15
5
25
50
75
100
125
150
175
200
225
250
0
04
0
T
A
= +135
°
C
T
A
= +25
°
C
T
A
= +85
°
C
T
A
= -40
°
C
V
ON/OFF
= 0V
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5083)
MAX5082/3 toc05
INPUT VOLTAGE (V)
SHUTDOWN SYPPLY CURRENT (
µ
A)
35
30
20
25
10
15
5
25
50
75
100
125
150
175
200
225
250
275
300
0
04
0
T
A
= +135
°
C
T
A
= +25
°
C
T
A
= +85
°
C
T
A
= -40
°
C
V
ON/OFF
= 0V
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5082)
MAX5082/3 toc06
INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
35
30
5
10
15
20
25
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
04
0
T
A
= +135
°
C
T
A
= +25
°
C
T
A
= +85
°
C
T
A
= -40
°
C
OPERATING FREQUENCY
vs. TEMPERATURE
MAX5082/3 toc07
TEMPERATURE (
°
C)
OPERATING FREQUENCY (kHz)
110
85
35
60
10
-15
242
244
246
248
250
252
254
256
258
260
240
-40
135
V
IN
= 4.5V
V
IN
= 40V
MAXIMUM DUTY CYCLE
vs. INPUT VOLTAGE (MAX5082)
MAX5082/3 toc08a
INPUT VOLTAGE (V)
MAXIMUM DUTY CYCLE (%)
35
30
20
25
10
15
5
82
84
86
88
90
92
94
96
98
100
80
04
0
MAX5082/MAX5083
1.5A, 40V
, MAXPower Step-Down
DC-DC Conver
ters
_______________________________________________________________________________________
5
T
ypical Operating Characteristics (continued)
(V
IN
= 12V, see Figure 5 (MAX5082) and Figure 6 (MAX5083), T
A
= +25°C, unless otherwise noted.)
MAXIMUM DUTY CYCLE
vs. INPUT VOLTAGE (MAX5083)
MAX5080 toc08b
INPUT VOLTAGE (V)
MAXIMUM DUTY CYCLE (%)
35
30
20
25
10
15
5
82
84
86
88
90
92
94
96
98
100
80
04
0
OPEN-LOOP GAIN/PHASE vs. FREQUENCY
MAX5082 toc10
FREQUENCY (kHz)
GAIN (dB)
PHASE (DEGREES)
1000
100
10
1
0.1
0.01
0.001
0
20
40
60
80
100
-20
75
100
125
150
175
50
0
10,000
GAIN
PHASE
OUTPUT CURRENT LIMIT
vs. INPUT VOLTAGE
MAX5082/3 toc10
INPUT VOLTAGE (V)
OUTPUT CURRENT LIMIT (A)
35
30
20
25
10
15
5
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
2.0
04
0
MAX5082
T
A
= +135
°
C
T
A
= +25
°
C
T
A
= +85
°
C
T
A
= -40
°
C
OUTPUT IS
PULSED WITH 3% DUTY CYCLE
TURN-ON/OFF WAVEFORM
MAX5082/3 toc11a
V
OUT
2V/div
2ms/div
I
LOAD
= 1A
V
ON/OFF
2V/div
TURN-ON/OFF WAVEFORM
MAX5082/3 toc11b
V
ON/OFF
2V/div
V
OUT
2V/div
2ms/div
I
LOAD
= 100mA
OUTPUT VOLTAGE vs. TEMPERATURE
MAX5082/3 toc12
TEMPERATURE (
°
C)
OUTPUT VOLTAGE (V)
110
85
35
60
10
-15
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
3.20
-40
135
MAX5082
I
LOAD
= 0A
I
LOAD
= 1A
EFFICIENCY vs. LOAD CURRENT
MAX5082/3 toc13a
LOAD CURRENT (A)
EFFICIENCY (%)
0.1
0.01
20
30
40
50
60
70
80
90
100
0
0.001
10
1
V
IN
= 40V,
V
OUT
= 3.3V
MAX5082
V
IN
= 24V,
V
OUT
= 3.3V
V
IN
= 12V,
V
OUT
= 3.3V
V
IN
= 7.5V,
V
OUT
= 3.3V
V
IN
= 4.5V,
V
OUT
= 3.3V
MAX5082/MAX5083
1.5A, 40V
, MAXPower Step-Down
DC-DC Conver
ters
6
_______________________________________________________________________________________
T
ypical Operating Characteristics (continued)
(V
IN
= 12V, see Figure 5 (MAX5082) and Figure 6 (MAX5083), T
A
= +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
MAX5082/3 toc13b
LOAD CURRENT (A)
EFFICIENCY (%)
0.1
0.01
20
30
40
50
60
70
80
90
100
0
0.001
10
1
V
IN
= 40V,
V
OUT
= 5V
MAX5083
V
IN
= 24V,
V
OUT
= 5V
V
IN
= 12V,
V
OUT
= 5V
V
IN
= 7.5V,
V
OUT
= 5V
LOAD-TRANSIENT RESPONSE
MAX5082/3 toc14
V
OUT
AC-COUPLED
200m/V/div
I
LOAD
1A/div
200
µ
s/div
V
IN
= 12V, I
OUT
= 0.5A TO 1.5A
MAX5082
0
LX VOLTAGE AND INDUCTOR CURRENT
MAX5082/3 toc15
I
LOAD
= 40mA
INDUCTOR
CURRENT
200mA/div
V
LX
5V/div
2
µ
s/div
LX VOLTAGE AND INDUCTOR CURRENT
MAX5082/3 toc16
V
LX
5V/div
INDUCTOR CURRENT
100mA/div
2
µ
s/div
I
LOAD
= 140mA
0
LX VOLTAGE AND INDUCTOR CURRENT
MAX5082/3 toc17
V
LX
5V/div
INDUCTOR CURRENT
500mA/div
2
µ
s/div
I
LOAD
= 1A
0
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
MAX5083ATE+T
Mfr. #:
Buy MAX5083ATE+T
Manufacturer:
Maxim Integrated
Description:
Switching Voltage Regulators 1A 40V MAXPower Step-Down
Lifecycle:
New from this manufacturer.
Delivery:
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