Typical operating characteristics – Rainbow Electronics MAX5097 User Manual
Page 6
MAX5096/MAX5097
40V, 600mA Buck Converters with Low-
Quiescent-Current Linear Regulator Mode
6
_______________________________________________________________________________________
Typical Operating Characteristics
(V
IN
= +14V, V
EN
= +2.4V, MAX5097AATE+, Figures 2 and 4, T
A
= +25°C, unless otherwise specified.)
OUTPUT VOLTAGE vs. INPUT VOLTAGE
(LDO MODE)
MAX5096 toc01
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
10
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
1
100
I
OUT
= 50mA
OUTPUT VOLTAGE vs. INPUT VOLTAGE
(BUCK MODE)
MAX5096 toc02
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
10
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
1
100
I
OUT
= 600mA
0
10
70
30
20
40
50
60
80
-40
-10 5
20
-25
35 50
95
80
110
65
125
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE (LDO MODE)
MAX5096 toc03
TEMPERATURE (
°C)
QUIESCENT SUPPLY CURRENT (
µ
A)
V
IN
= 14V
V
OUT
= 3.3V
I
OUT
= 100mA
I
OUT
= 100
µA
I
OUT
= 0
640
660
650
680
670
700
690
710
NO-LOAD SUPPLY CURRENT
vs. TEMPERATURE (BUCK MODE)
MAX5096 toc04
V
IN
= 14V
V
OUT
= 3.3V
-40
-10 5
20
-25
35 50
95
80
110
65
125
TEMPERATURE (
°C)
NO-LOAD SUPPLY CURRENT (
µ
A)
0
4
2
8
6
12
10
14
SHUTDOWN CURRENT
vs. TEMPERATURE
MAX5096 toc05
-40
-10 5
20
-25
35 50
95
80
110
65
125
TEMPERATURE (
°C)
SHUTDOWN CURRENT (
µ
A)
V
EN
= 0V
V
IN
= 14V
3.0
3.1
3.2
3.3
3.4
3.5
OUTPUT VOLTAGE vs. TEMPERATURE
(LDO MODE)
MAX5096 toc06
OUTPUT VOLTAGE (V)
-40
-10 5
20
-25
35 50
95
80
110
65
125
TEMPERATURE (
°C)
V
OUT
= 3.3V
I
OUT
= 10mA
I
OUT
= 100
µA
I
OUT
= 10mA
3.24
3.28
3.26
3.32
3.30
3.36
3.34
3.38
OUTPUT VOLTAGE
vs. TEMPERATURE (BUCK MODE)
MAX5096 toc07
-40
-10 5
20
-25
35 50
95
80
110
65
125
TEMPERATURE (
°C)
OUTPUT VOLTAGE (V)
V
OUT
= 3.3V
I
OUT
= 100
µA
I
OUT
= 100mA
I
OUT
= 600mA
0
0.04
0.02
0.10
0.08
0.06
0.16
0.14
0.12
0.18
0
40
20
60
80
100
DROPOUT VOLTAGE
vs. OUTPUT CURRENT (LDO MODE)
MAX5096 toc08
OUTPUT CURRENT (mA)
DROPOUT VOLTAGE (V)
V
OUT
= 5V
0
30
20
10
40
50
60
70
80
90
100
0.01
0.1
1
EFFICIENCY vs. LOAD CURRENT
(V
OUT
= 3.3V)
MAX5096 toc09
LOAD CURRENT (A)
EFFICIENCY (%)
V
IN
= 5V
V
IN
= 14V
V
IN
= 24V
V
IN
= 40V
f
SW
= 330kHz