Datasheet

Maxim Integrated │ 8
www.maximintegrated.com
MAX17502 60V, 1A, Ultra-Small, High-Efciency,
Synchronous Step-Down DC-DC Converter
Typical Operating Characteristics (continued)
(V
IN
= 24V, V
GND
= V
PGND
= 0V, C
VIN
=2.2μF,C
VCC
=1μF,V
EN
= 1.5V, C
SS
= 3300pF, V
FB
= 0.98 x V
OUT
, LX = unconnected,
RESET = unconnected, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C. All voltages are refer-
encedtoGND,unlessotherwisenoted.)
BODE PLOT OF MAX17502E
AT 1A LOAD
MAX17502 toc25
f
CR
= 55.2kHz
PM = 53°
45678912
BODE PLOT OF MAX17502F
AT 1A LOAD
MAX17502 toc26
f
CR
= 60.5kHz
PM = 58°
45678912
SWITCHING WAVEFORMS OF MAX17502F
AT 1A LOAD
MAX17502 toc23
2µs/div
V
OUT
(AC)
50mV/div
I
LX
500mA/div
LX
20V/div
OUTPUT OVERLOAD PROTECTION
OF MAX17502F
MAX17502 toc24
20ms/div
V
OUT
500mV/div
I
OUT
500mA/div