MAX8529EEG Ver la hoja de datos (PDF) - Maxim Integrated
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Fabricante
MAX8529EEG Datasheet PDF : 20 Pages
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1.5MHz Dual 180° Out-of-Phase
PWM Step-Down Controller with POR
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 6V, TA = +25°C, unless otherwise noted.)
SOFT-START AND SOFT-STOP WAVEFORM
MAX8529 toc07
5V
EN
0V
VOUT2
1V/div
0V
VOUT1
1V/div
0V
400μs/div
RESET TIMEOUT
5V/div
MAX8529 toc08
5V
EN
0V
VOUT2
2V/div
0V
VOUT1
2V/div
0V
VRST
0V
100ms/div
OUT-OF-PHASE WAVEFORM
MAX8529 toc09
VOUT2
10mV/div
AC-COUPLED
200ns/div
VLX2
5V/div
0V
VLX1
5V/div
0V
VOUT1
10mV/div
AC-COUPLED
EXTERNALLY SYNCHRONIZED
SWITCHING WAVEFORM
5V MAX8529 toc10
VSYNC
0V
5V
VCKO
0V
VLX1
5V/div
0V
VOUT1
10mV/div
AC-COUPLED
200ns/div
CKO OUTPUT WAVEFORM
MAX8529 toc11
SYNC = GND
200ns/div
5V
VCK0
0V
VLX1
5V/div
0V
VOUT1
10mV/div
AC-COUPLED
CKO OUTPUT WAVEFORM
MAX8529 toc12
SYNC = VL
200ns/div
5V
VCK0
0V
VLX1
5V/div
0V
VOUT1
10mV/div
AC-COUPLED
SHORT-CIRCUIT CURRENT FOLDBACK
AND RECOVERY
MAX8529 toc13
SHORT
VOUT2
VOUT1
50mV/div
AC-COUPLED
VOUT2
1V/div
0V
IOUT2
2A/div
0A
OUTPUT2 NOISE SPECTRUM
MAX8529 toc14
400nV/√Hz
40nV/√Hz
4nV/√Hz
200μs/div
0
250 500 750 1000 1250
FREQUENCY (kHz)
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