Datasheet

Maxim Integrated │ 5
www.maximintegrated.com
Evaluates: MAX17505 in
3.3V Output-Voltage Application
MAX17505 3.3V Output Evaluation Kit
Figure 5. MAX17505 3.3V Output Efficiency (DCM Mode)
Figure 6. MAX17505 3.3V Output Full Load Bode Plot
(V
IN
= 24V)
Figure 7. MAX17505 3.3V Output, No Load to 0.85A Load
Transient (PWM Mode)
20
40
50
30
70
60
80
90
100
0
10
100101 1000
1700
3.3V OUTPUT, DCM MODE
EFFICIENCY vs. LOAD CURRENT
LOAD CURRENT (mA)
EFFIEIENCY (%)
V
IN
= 48V
V
IN
= 36V
V
IN
= 24V
V
IN
= 12V
MODE = V
CC
3.3V OUTPUT, 1.7A LOAD
CURRENT BODE PLOT
FREQUENCY (Hz)
GAIN (dB)
PHASE (°)
-30
-20
-10
0
10
20
30
40
50
60
-40
-60
-40
-20
0
20
40
60
80
100
120
-80
100k10k1k
CROSSOVER FREQUENCY = 58kHz
PHASE MARGIN = 59°
GAIN
PHASE
2 4 6 8 1 2 4 6 8 1 2
V
OUT
(AC)
I
OUT
50mV/div
50mA/div
100µs/div
3.3V OUTPUT, PWM MODE (LOAD CURRENT
STEPPED FROM NO-LOAD TO 0.85A)
MODE = SGND
EV Kit Test Report (continued)