MAX15020 Datasheet, PDF (7/19 Pages) Maxim Integrated Products – 2A, 40V Step-Down DC-DC Converter with Dynamic Output-Voltage Programming

2A, 40V Step-Down DC-DC Converter with
Dynamic Output-Voltage Programming
Typical Operating Characteristics (continued)
(V_IN = 36V, Circuit of Figure 2, T_A = +25°C, unless otherwise noted.)
SOFT-START VOLTAGE RISE
vs. REFIN VOLTAGE RISE
10
C_SS = 0.1µF
1
0.1
C_SS = 0.01µF
0.01
0.01
0.1
1
10
V_REFIN dv/dt (V/ms)
V_OUT
V_SS
V_REFIN
V_PWM
V_SS AND V_OUT
RESPONSE TO REFIN PWM
MAX15020 toc23
20V/div
0V
1V
0.5V
1V/div
10kΩ and 0.1µF RC ON REFIN 0V
D = 70% TO 100%
2ms/div
1V/div
0V
MODULATOR GAIN
vs. INPUT VOLTAGE
11.0
10.5
10.0
9.5
9.0
8.5
8.0
5
10 15 20 25 30 35 40
INPUT VOLTAGE (V)
SOFT-START CHARGE CURRENT
vs. TEMPERATURE
15.5
15.4
15.3
15.2
15.1
15.0
14.9
14.8
14.7
14.6
14.5
-40 -15
10 35 60 85
TEMPERATURE (°C)
110 135
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