RT7285/A
Parameter
VIN Under-Voltage Lockout
Threshold
VIN Under-Voltage Lockout
Threshold Hysteresis
Soft-Start Time
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
VOUT Discharge Resistance
Output Under-Voltage Trip
Threshold
Output Under-Voltage Delay
Time
Symbol
V
UVLO
Test Conditions
V
IN
Rising
Min
3.55
--
t
SS
T
SD
ΔT
SD
R
DISCHG
V
EN
= 0V, V
OUT
= 0.5V
UVP Detect
Hysteresis
--
--
--
--
70
--
--
Typ
3.9
340
800
160
20
50
75
10
250
Max
4.25
--
--
--
--
100
80
--
--
Unit
V
mV
μs
°C
°C
Ω
%
μs
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.
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS7285/A-03 March 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
