Datasheet

MAX17497A/MAX17497B
AC-DC and DC-DC Peak Current-Mode Converters
with Integrated Step-Down Regulator
8Maxim Integrated
Typical Operating Characteristics (continued)
(V
IN
= +15V, V
EN/UVLO
= +2V, COMPF = open, C
IN
= 1FF, C
VCC
= 1FF, T
A
= T
J
= -40NC to +125NC, unless otherwise noted. Typical
values are at T
A
= +25NC.)
TRANSIENT RESPONSE
(FLYBACK-15V OUTPUT)
MAX17497A/B toc16
1ms/div
V
OUTF (AC)
200mV/div
I
LOAD
0.5A/div
INB WAKE-UP LEVEL vs. TEMPERATURE
MAX17497A/B toc18
TEMPERATURE (°C)
100806040200-20
6.48
6.41
-40 120
INB WAKE-UP LEVEL (A)
6.42
6.43
6.44
6.45
6.46
6.47
V
OUTB
vs. INB VOLTAGE
MAX17497A/B toc20
INB VOLTAGE (V)
V
OUTB
VOLTAGE (V)
8
61
6141210
3.310
3.313
3.316
3.319
3.322
3.325
3.328
BODE PLOT (FLYBACK CONVERTER)
MAX17497A/B toc17
0dBm
67891234567891 234
GAIN
10dB/div
PHASE
36°/div
BW = 6.9kHz
PM = 55°
V
OUTB
vs. TEMPERATURE
MAX17497A/B toc19
TEMPERATURE (°C)
V
OUTB
VOLTAGE (V)
0-20-40 80604020
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
LXB AND INDUCTOR WAVEFORM
MAX17497A/B toc21
400ns/div
I
LXB
0.5A/div
V
LXB
5V/div