Datasheet

MAX15035MAX15035
SWITCHING FREQUENCY
vs. LOAD CURRENT
MAX15035 toc10
LOAD CURRENT (A)
SWITCHING FREQUENCY (kHz)
10.1
50
100
150
200
250
300
350
400
0
0.01 10
SKIP MODE
ULTRASONIC
MODE
PWM MODE
PWM MODE SWITCHING FREQUENCY
vs. INPUT VOLTAGE
MAX15035 toc11
INPUT VOLTAGE (V)
SWITCHING FREQUENCY (kHz)
14 1810
350
360
370
320
330
340
290
300
310
260
250
270
280
380
240
6222412 16820
I
LOAD
= 5A
NO LOAD
Typical Operating Characteristics (continued)
(MAX15035 Circuit of Figure 1, V
IN
= 12V, V
DD
= 5V, SKIP = GND, R
TON
= 200kΩ, T
A
= +25°C, unless otherwise noted.)
MAXIMUM OUTPUT CURRENT
vs. AMBIENT TEMPERATURE
MAX15035 toc14
TEMPERATURE (°C)
MAXIMUM OUTPUT CURRENT (A)
806040200-20
7
9
11
13
15
5
-40 100
0 LFM
100 LFM
300 LFM
FOUR-LAYER PCB
WITH 2oz COPPER USED
15A Step-Down Regulator with Internal Switches
_______________________________________________________________________________________ 7
SWITCHING FREQUENCY
vs. TEMPERATURE
MAX15035 toc12
TEMPERATURE (°C)
SWITCHING FREQUENCY (kHz)
20 40 60 80-20 0
360
380
370
390
350
-40 100
I
LOAD
= 10A
I
LOAD
= 5A
MAXIMUM OUTPUT CURRENT
vs. INPUT VOLTAGE
MAX15035 toc13
INPUT VOLTAGE (V)
MAXIMUM OUTPUT CURRENT (A)
15 18 21912
15.00
14.80
15.60
15.40
15.20
14.40
14.20
14.60
16.00
15.80
14.00
624
NO-LOAD SUPPLY CURRENT (I
BIAS
)
vs. INPUT VOLTAGE
MAX15035 toc15
INPUT VOLTAGE (V)
I
BIAS
(mA)
10 12 14 16 18 20 228
4
2
8
6
10
12
0
624
SKIP MODE
PWM MODE
ULTRASONIC MODE
REF OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX15035 toc17
LOAD CURRENT (
µ
A)
REF OUTPUT VOLTAGE (V)
10 20 30 400
2.001
2.002
2.003
2.005
2.004
2.000
-10 50
NO-LOAD SUPPLY CURRENT (I
IN
)
vs. INPUT VOLTAGE
MAX15035 toc16
INPUT VOLTAGE (V)
I
IN
(mA)
10 12 14 16 18 20 228
0.1
1
10
100
0.01
624
SKIP MODE
PWM MODE
ULTRASONIC MODE