Datasheet

Maxim Integrated │ 9
www.maximintegrated.com
MAX17501 60V, 500mA, 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
= 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referencedtoGND,
unless otherwise noted.)
LOAD TRANSIENT RESPONSE OF MAX17501B
(LOAD CURRENT STEPPED FROM 5mA TO 255mA)
MAX17501 toc31
200µs/div
V
OUT
(AC)
100mV/div
I
OUT
100mA/div
LOAD TRANSIENT RESPONSE OF MAX17501E
(LOAD CURRENT STEPPED FROM NO-LOAD TO 250mA)
MAX17501 toc32
20µs/div
V
OUT
(AC)
50mV/div
I
OUT
100mA/div
LOAD TRANSIENT RESPONSE OF MAX17501F
(LOAD CURRENT STEPPED FROM NO-LOAD TO 250mA)
MAX17501 toc33
20µs/div
V
OUT
(AC)
100mV/div
I
OUT
100mA/div
LOAD TRANSIENT RESPONSE OF MAX17501F
(LOAD CURRENT STEPPED FROM 250mA TO 500mA)
MAX17501 toc35
20µs/div
V
OUT
(AC)
100mV/div
I
OUT
200mA/div
LOAD TRANSIENT RESPONSE OF MAX17501E
(LOAD CURRENT STEPPED FROM 250mA TO 500mA)
MAX17501 toc34
20µs/div
V
OUT
(AC)
50mV/div
I
OUT
200mA/div
SWITCHING WAVEFORMS OF MAX17501F
AT 500mA LOAD
MAX17501 toc36
2µs/div
V
OUT
(AC)
50mV/div
I
LX
500mA/div
LX
10V/div