RT7285C
4
DS7285C-03 July 2014
www.richtek.com
©
Copyright 2014 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Note 1.
Stresses beyond those listed
“
Absolute Maximum Ratings
”
may cause permanent damage to the device. These are
stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in
the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may
affect device reliability.
Note 2.
θ
JA
is measured at T
A
= 25
°
C on a high effective thermal conductivity four-layer test board per JEDEC 51-7. The case
position of
θ
JC
is on the top of the package.
Note 3.
Devices are ESD sensitive. Handling precaution is recommended.
Note 4.
The device is not guaranteed to function outside its operating conditions.
Parameter Symbol
Test
Conditions
Min
Typ
Max
Unit
Soft-Start Time
t
SS
--
800
--
s
Thermal Shutdown Threshold
T
SD
--
160
--
C
Thermal Shutdown Hysteresis
T
SD
--
20
--
C
V
OUT
Discharge Resistance
R
DISCHG
EN = 0V, V
OUT
= 0.5V
--
50
100
UVP Detect
70
75
80
Output Under-Voltage Trip
Threshold
Hysteresis --
10
--
%
Output Under-Voltage Delay
Time
--
250
--
s
