RT5715
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage, VIN ------------------------------------------------------------------------------------------------
−0.3V
to 6V
Switch Voltage, LX ---------------------------------------------------------------------------------------------------------
−0.3V
to 6V
< 50ns -------------------------------------------------------------------------------------------------------------------------
−2.5V
to 7V
Other Pins --------------------------------------------------------------------------------------------------------------------
−0.3V
to 6V
Power Dissipation, P
D
@ T
A
= 25°C
WDFN-8SL 2x2 ------------------------------------------------------------------------------------------------------------- 1.538W
Package Thermal Resistance (Note 2)
WDFN-8SL 2x2,
θ
JA
-------------------------------------------------------------------------------------------------------- 65°C/W
WDFN-8SL 2x2,
θ
JC
------------------------------------------------------------------------------------------------------- 8°C/W
Junction Temperature ------------------------------------------------------------------------------------------------------ 150°C
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------------- 260°C
Storage Temperature Range ---------------------------------------------------------------------------------------------
−65°C
to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Model) ----------------------------------------------------------------------------------------------- 2kV
Recommended Operating Conditions
(Note 4)
Supply Input Voltage, VIN ------------------------------------------------------------------------------------------------
2.5V to 5.5V
Junction Temperature Range ---------------------------------------------------------------------------------------------
−40°C
to 125°C
Ambient Temperature Range ---------------------------------------------------------------------------------------------
−40°C
to 85°C
Electrical Characteristics
(V
IN
= 3.6V, T
A
= 25°C, unless otherwise specified)
Parameter
Under-Voltage Lockout
Threshold
Under-Voltage Lockout
Hysteresis
Shutdown Supply Current
Quiescent Current
Voltage Reference
Current Limit
High-Side
Low-Side
Symbol
V
UVLO
V
UVLO
I
SHDN
I
Q
V
REF
I
LIM_H
I
LIM_L
V
TH
_
PGLH
Test Conditions
V
CC
rising
Min
2.28
--
Typ
2.35
400
--
30
0.45
3.2
2.4
95
5
0.01
--
Max
2.48
--
1
--
0.4545
4
2.9
100
--
0.1
0.3
Unit
V
mV
A
A
V
A
%
%
A
V
EN = 0V
Active, V
FB
= 0.5V, no switching
--
--
0.4455
Peak current
Valley current
V
FB
rising, PGOOD goes high
2.5
2
90
--
--
--
Power Good High Threshold
Power Good High Hysteresis
V
TH
_
PGLH
V
FB
falling, PGOOD goes low
Power Good Leakage
Current
Power Good Low Level
Voltage
I
PG
V
PGL
V
PG
= 5V
I
sink
= 500A
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS5715-02
November 2019
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
