Datasheet

MaximIntegrated │ 5
Evaluates: MAX17503 in
5V Output-Voltage Application
MAX17503 5V Output Evaluation Kit
www.maximintegrated.com
Figure 5. MAX17503 5V Output Efficiency (DCM Mode)
Figure 6. MAX17503 5V Output Full Load Bode Plot
(V
IN
= 24V)
Figure 7. MAX17503 5V Output, No Load to 1A Load Transient
(PWM Mode)
5V OUTPUT, DCM MODE
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (mA)
EFFIEIENCY (%)
30
40
50
60
70
90
90
100
20
100100 1000 2500
V
IN
= 36V
V
IN
= 24V
V
IN
= 12V
V
IN
= 48V
MODE = VCC
5V OUTPUT, 2.5A LOAD CURRENT
BODE PLOT
FREQUENCY (Hz)
GAIN (dB)
PHASE (°)
-40
-30
-20
-10
0
10
20
30
40
50
-50
-80
-60
-40
-20
0
20
40
60
80
100
-100
100k10k1k
CROSSOVER FREQUENCY = 58.2kHz
PHASE MARGIN = 63.4°
GAIN
PHASE
2 4 6 8 1 2 4 6 8 1 2
V
OUT
(AC)
100mV/div
I
OUT
1A/div
40µs/div
5V OUTPUT, PWM MODE (LOAD CURRENT
STEPPED FROM NO-LOAD TO 1A)
MODE = SGND
EV Kit Test Report (continued)