Datasheet

MAX5025–MAX5028
500kHz, 36V Output, SOT23,
Step-Up DC-DC Converters
_______________________________________________________________________________________ 7
0
0.015
0.010
0.005
0.025
0.020
0.045
0.040
0.035
0.030
0.050
-40 -20 0 20 40 60 80
MAX5025-28 toc23
TEMPERATURE (°C)
LX LEAKAGE CURRENT (μA)
LX LEAKAGE CURRENT vs. TEMPERATURE
CURRENT INTO LX PIN
V
LX
= 40V
32
31
30
29
28
021 345
LOAD REGULATION
MAX5025-28 toc24
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
MAX5026
V
CC
= 5V
WITH RC FILTER
(CIRCUIT OF FIGURE 3)
WITHOUT RC FILTER
(CIRCUIT OF FIGURE 2)
MAX5025-28 toc25
INPUT VOLTAGE (V)
MAXIMUM LOAD CURRENT (mA)
MAX5026
MAXIMUM LOAD CURRENT
vs. INPUT VOLTAGE
975
1
10
100
0.1
311
A: V
OUT
= 12V
B: V
OUT
= 24V
C: V
OUT
= 30V
D: V
OUT
= 32V
E: V
OUT
= 36V
A
B
E
C
D
Typical Operating Characteristics (continued)
(V
CC
= 5V, V
OUT
= 30V, T
A
= +25°C, unless otherwise noted.)
0.5
1.0
2.0
1.5
2.5
3.0
-40 0-20 20 40 60 80
MAX5025-28 toc22
TEMPERATURE (°C)
R
ON
(Ω)
SWITCH ON-RESISTANCE
vs. TEMPERATURE
V
CC
= 3V
V
CC
= 5V
V
CC
= 11V
MAX5026