RT2652
Absolute Maximum Ratings
(Note 1)
Supply Voltage, VIN -----------------------------------------------------------------------------------------------
−0.3V
to 6.5V
Switch Node Voltage, LX ------------------------------------------------------------------------------------------
−0.3V
to (V
IN
+
0.3V)
Other Pins ------------------------------------------------------------------------------------------------------------
−0.3V
to 6.5V
Power Dissipation, P
D
@ T
A
= 25°C
WDFN-10L 3x3 ------------------------------------------------------------------------------------------------------ 1.429W
Package Thermal Resistance (Note 2)
WDFN-10L 3x3,
θ
JA
------------------------------------------------------------------------------------------------ 70°C/W
WDFN-10L 3x3,
θ
JC
------------------------------------------------------------------------------------------------ 8.2°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 Voltage, VIN ----------------------------------------------------------------------------------------------- 2.7V to 5.5V
Junction Temperature Range -------------------------------------------------------------------------------------
−40°C
to 125°C
Ambient Temperature Range -------------------------------------------------------------------------------------
−40°C
to 85°C
Electrical Characteristics
(V
IN
= 3.3V, T
A
= 25°C unless otherwise specified)
Parameter
Feedback Reference Voltage
Feedback Leakage Current
DC Bias Current
Output Voltage Line Regulation
Output Voltage Load Regulation
Switch Leakage Current
Switching Frequency
Switch
On-Resistance
High
Low
Symbol
V
REF
I
FB
Test Conditions
Min
0.594
--
Typ
0.6
0.1
--
--
0.04
0.2
--
1.2
110
70
3.5
2.4
2.2
--
--
500
Max
0.606
0.4
--
1
--
--
1
1.44
130
90
--
--
--
--
0.3
--
Unit
V
μA
μA
μA
%/V
%/A
μA
MHz
mΩ
A
V
V
V
kΩ
Active, V
FB
= 0.58V, not switching
Shutdown
V
IN
= 2.7V to 5.5V
I
OUT
= 10mA to 2000mA
EN = 0V
--
--
--
--
--
0.96
R
DS(ON)_H
R
DS(ON)_L
I
LIM
VDD Rising
VDD Falling
--
--
2.5
--
--
1.5
--
--
P-MOSFET Current Limit
Under Voltage Lockout Threshold
Logic-High
Logic-Low
EN Pull Low Resistance
EN Input Voltage
V
IH
V
IL
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2652-00
November 2012
www.richtek.com
3
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
