Datasheet

Maxim Integrated │ 7
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.)
NO-LOAD SOFT-START FROM EN/UVLO
(MAX17501B)
MAX17501 toc19
1ms/div
EN/UVLO
2V/div
V
OUT
2V/div
RESET
5V/div
FULL-LOAD SOFT-START/SHUTDOWN FROM EN/UVLO
(MAX17501E)
MAX17501 toc20
1ms/div
EN/UVLO
2V/div
V
OUT
1V/div
I
OUT
200mA/div
RESET
2V/div
FULL-LOAD SOFT-START/SHUTDOWN FROM EN/UVLO
(MAX17501F)
MAX17501 toc21
1ms/div
EN/UVLO
2V/div
V
OUT
2V/div
I
OUT
200mA/div
RESET
5V/div
NO-LOAD SOFT-START FROM V
IN
(MAX17501A)
MAX17501 toc22
400µs/div
V
IN
20V/div
V
OUT
1V/div
RESET
2V/div
NO-LOAD SOFT-START FROM V
IN
(MAX17501B)
MAX17501 toc23
400µs/div
V
IN
20V/div
V
OUT
2V/div
RESET
5V/div
FULL-LOAD SOFT-START FROM V
IN
(MAX17501E)
MAX17501 toc24
400µs/div
V
IN
20V/div
V
OUT
1V/div
I
OUT
200mA/div
RESET
2V/div