RT5112A
Absolute Maximum Ratings
(Note 1)
VSYS, VINB1, VINB2, VIN12, VIN3, VIN4, LDO1, LDO2,
LDO3, LDO4, FB1, FB2, REF, SCL, SDA, HWEN, INTRB ---------------------------------------------
−
0.3V to 6.5V
LXB1, LXB2 (< 20ns) ---------------------------------------------------------------------------------------------
−
2V to 9V
Power Dissipation, P
D
@ T
A
= 25°C
WL-CSP-25B 2.2x2.3 (BSC) ----------------------------------------------------------------------------------- 3.05W
Package Thermal Resistance (Note 2)
WL-CSP-25B 2.2x2.3 (BSC),
θ
JA
------------------------------------------------------------------------------ 32.7°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 Mode) -------------------------------------------------------------------------------------- 2kV
Recommended Operating Conditions
(Note 4)
Supply Voltage V
IN_B1
, V
IN_B2
, V
SYS
---------------------------------------------------------------------------------- 2.5V to 5.5V
Supply Voltage V
IN_VIN12
, V
IN_VIN3
, V
IN_VIN4
------------------------------------------------------------------------ 1.9V to 5.5V
Junction Temperature Range --------------------------------------------------------------------------------------------
−
40°C to 125°C
Ambient Temperature
Range --------------------------------------------------------------------------------------------
−
40°C to 85°C
Electrical Characteristics
(T
A
= 25°C, unless otherwise specified.)
Parameter
System Parameter
Symbol
Test Conditions
HWEN = H, V
IN_SYS
= V
IN_B1
=
V
IN_B2
= V
IN_VIN12
= V
IN_VIN3
=
V
IN_VIN4
= 3.8V,
LDO/Buck1/Buck2 on, no load,
automode
40°C
to 85°C
HWEN = H, V
IN_SYS
= V
IN_VIN12
= V
IN_VIN3
= V
IN_VIN4
= 3.8V,
LDO on, no load, automode
HWEN = H, V
IN_SYS
= V
IN_B1
=
V
IN_B2
= V
IN_VIN12
= V
IN_VIN3
=
V
IN_VIN4
= 3.8V, all power
regulators are off
HWEN = H, V
IN_SYS
= V
IN_B1
=
3.8V, Buck1 on, no load,
automode
HWEN = H, V
IN_SYS
= V
IN_B2
=
3.8V, Buck2 on, no load,
automode
Min
Typ
Max
Unit
I
QTATOL
--
107
138
I
QLDO
Quiescent Current
I
QBASE
--
95
118
A
--
7
10
I
QBUCK1
--
13
20
I
QBUCK2
--
13
20
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS5112A-02 August 2019
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
