Low-Cost, High-Frequency, Current-Mode PWM
Buck Controller
MAX1953/MAX1954/MAX1957
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
MAX1953
FULL-LOAD SWITCHING WAVEFORMS
MAX1953 toc19
MAX1953
SHORT-CIRCUIT SWITCHING WAVEFORMS
MAX1953 toc20
MAX1954/MAX1957
NO-LOAD SWITCHING WAVEFORMS
MAX1953 toc21
I
LX
2A/div
I
LX
LX
5A/div
5V/div
I
LX
2A/div
LX
DL
5V/div
DL
5V/div
5V/div
LX
10V/div
DL
DH
5V/div
DH
2µs/div
4µs/div
5V/div
DH
5V/div
10V/div
2µs/div
MAX1954/MAX1957
FULL-LOAD SWITCHING WAVEFORMS
MAX1953 toc22
MAX1954/MAX1957
SHORT-CIRCUIT SWITCHING WAVEFORMS
MAX1953 toc23
I
LX
2A/div
I
LX
5A/div
10V/div
LX
10V/div
LX
DL
5V/div
DL
5V/div
DH
4µs/div
10V/div
DH
4µs/div
10V/div
_______________________________________________________________________________________
7
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
