RT5712E
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage ------------------------------------------------------------------------------------------
0.3V
to 6.5V
LX Pin Switch Voltage-----------------------------------------------------------------------------------------
0.3V
to (V
IN
+ 0.3V)
<20ns --------------------------------------------------------------------------------------------------------------
4.5V
to 7.5V
Power Dissipation, P
D
@ T
A
= 25C
WDFN-6L 2x2 ---------------------------------------------------------------------------------------------------
0.833W
Package Thermal Resistance
(Note 2)
WDFN-6L 2x2,
JA
---------------------------------------------------------------------------------------------
120C/W
WDFN-6L 2x2,
JC
---------------------------------------------------------------------------------------------
7C/W
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------
260C
Junction Temperature -----------------------------------------------------------------------------------------
40C
to 150C
Storage Temperature Range --------------------------------------------------------------------------------
65C
to 150C
ESD Susceptibility
(Note 3)
HBM (Human Body Model) ----------------------------------------------------------------------------------
2kV
Recommended Operating Conditions
(Note 4)
Supply Input Voltage -------------------------------------------------------------------------------------------2.7V to 6V
Ambient Temperature Range---------------------------------------------------------------------------------40C to 85C
Junction Temperature Range --------------------------------------------------------------------------------40C to 125C
Electrical Characteristics
(V
IN
= 3.6V, T
A
= 25C, unless otherwise specified)
Parameter
Input Voltage
Feedback Reference Voltage
Feedback Leakage Current
DC Bias Current
Switching Leakage Current
Switching Frequency
Switch On Resistance, High
Switch On Resistance, Low
Valley Current Limit
Under-Voltage Lockout
Threshold
Over-Temperature Threshold
Enable Input
Voltage
Logic-High
Logic-Low
Symbol
V
IN
V
REF
I
FB
Test Conditions
Min
2.7
0.591
Typ
--
0.6
--
22
--
--
1
100
70
2.9
2.25
2
150
--
--
90
Max
6
0.609
0.1
--
1
1
--
--
--
3.8
2.5
--
--
--
0.4
--
Unit
V
V
A
A
A
MHz
m
m
A
V
C
V
%
V
FB
= 0.6V
Active, V
FB
= 0.63V, not switching
Shutdown
--
--
--
--
--
R
PMOS
R
NMOS
I
LIM
V
UVLO
I
SW
= 0.3A
I
SW
= 0.3A
--
--
2.1
VDD rising
VDD falling
--
--
--
1.2
--
V
IH
V
IL
FB rising
PGOOD Pin Threshold
--
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS5712E-03
June 2019