Typical operating characteristics – Rainbow Electronics MAX15020 User Manual
Page 4
MAX15020
2A, 40V Step-Down DC-DC Converter with
Dynamic Output-Voltage Programming
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
IN
= 36V, Circuit of Figure 2, T
A
= +25°C, unless otherwise noted.)
UNDERVOLTAGE LOCKOUT HYSTERESIS
vs. TEMPERATURE
MAX15020 toc01
TEMPERATURE (
°C)
UNDERVOLTAGE LOCKOUT HYSTERESIS
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
MAX15020 toc02
TEMPERATURE (
°C)
ON/OFF THRESHOLD HYSTERESIS (V)
110
85
35
60
10
-15
0.05
0.10
0.15
0.20
0
-40
135
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX15020 toc03
INPUT VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
30
20
10
1
2
3
4
5
6
7
0
0
40
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX15020 toc04
INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
30
20
10
2
4
8
6
10
12
14
16
0
0
40
OPERATING FREQUENCY
vs. TEMPERATURE
MAX15020 toc05
TEMPERATURE (
°C)
OPERATING FREQUENCY (kHz)
110
85
35
60
10
-15
290
292
294
296
298
300
302
304
306
308
288
-40
135
MAXIMUM DUTY CYCLE
vs. INPUT VOLTAGE
MAX15020 toc06
INPUT VOLTAGE (V)
DUTY CYCLE (%)
30
20
10
86
88
82
84
90
92
94
96
98
100
80
0
40
LOOP GAIN/PHASE
vs. FREQUENCY
MAX15020 toc07
FREQUENCY (kHz)
GAIN (dB)
PHASE (DEGREES)
100
10
1
-40
-30
-20
-10
0
10
20
30
40
50
-50
-144
-108
-72
-36
0
36
72
108
144
180
-180
0.1
1000
PHASE
V
IN
= 37V, V
OUT
= 15V,
I
OUT
= 2.02A
GAIN
MAXIMUM LOAD CURRENT
vs. INPUT VOLTAGE
MAX15020 toc08
INPUT VOLTAGE (V)
LOAD CURRENT (A)
35
30
20
25
10
15
5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
2.5
0
40
T
A
= -45
°C
T
A
= +25
°C
T
A
= +85
°C