RT5021
Absolute Maximum Ratings
(Note 1)
Supply Voltages, SYS ----------------------------------------------------------------------------------------------------
−0.3V
to 6V
Supply Input Voltage, VIN ------------------------------------------------------------------------------------------------
−0.3V
to 28V
Switch Node Voltage, LX1, LX2, LX3, LX4, LX5 ----------------------------------------------------------------------
−0.3V
to 6V
PVD7, LX7 --------------------------------------------------------------------------------------------------------------------
−0.3V
to 25V
CHG ---------------------------------------------------------------------------------------------------------------------------
−0.3V
to 28V
CHG2 --------------------------------------------------------------------------------------------------------------------------
−0.3V
to 6V
Other Pins --------------------------------------------------------------------------------------------------------------------
−0.3V
to 6V
INT, CHG, CHG2 Continuous Current ---------------------------------------------------------------------------------- 20mA
BAT Continuous Current (Total in two pins) -------------------------------------------------------------------------- 2.5A
Power Dissipation, P
D
@ T
A
= 25°C
WQFN-40L 5x5 ------------------------------------------------------------------------------------------------------------- 3.64W
Package Thermal Resistance (Note 2)
WQFN-40L 5x5,
θ
JA
-------------------------------------------------------------------------------------------------------- 27.5°C/W
WQFN-40L 5x5,
θ
JC
------------------------------------------------------------------------------------------------------- 6°C/W
Junction Temperature ------------------------------------------------------------------------------------------------------ 150°C
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------------- 260°C
Storage Temperature Range ---------------------------------------------------------------------------------------------
−65°C
to 125°C
ESD Susceptibility (Note 3)
HBM (Human Body Model) ----------------------------------------------------------------------------------------------- 2kV
MM (Machine Model) ------------------------------------------------------------------------------------------------------ 200V
Recommended Operating Conditions
(Note 4)
1.8V to 5.5V
4.4V to 6V
4.5V to 6V
−40°C
to 125°C
Supply Input Voltage, BAT -----------------------------------------------------------------------------------------------
Supply Input Voltage Range, VIN (A7.ISETL = 1) -------------------------------------------------------------------
Supply Input Voltage Range, VIN (A7.ISETL = 0) -------------------------------------------------------------------
Junction Temperature Range ---------------------------------------------------------------------------------------------
Ambient Temperature Range ---------------------------------------------------------------------------------------------
−40°C
to 85°C
Electrical Characteristics
Power Converter Unit :
(V
SYS
= 3.3V, T
A
= 25°C, unless otherwise specified)
Parameter
Supply Voltage
PMU Startup Voltage at SYS
SYS Operating Voltage for PMU
VDDI Over Voltage Protection
(OVP) (Hysteresis High)
VDDI OVP Hysteresis (Gap)
VDDI UVLO (Hysteresis High)
VDDI UVLO Hysteresis (Gap)
Symbol
V
ST
V
SYS
Test Conditions
For bootstrap
Min
1.5
2.7
5.82
--
Typ
--
--
6
−0.25
2.4
−0.3
Max
--
5.5
6.18
--
2.6
--
Unit
V
V
V
V
V
V
VDDI UVLO takes effect once
CH2 soft-start finish
2.2
--
Copyright
©
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS5021-01 April 2013
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
