RT5112
Absolute Maximum Ratings
(Note 1)
VSYS, VINB, VIN12, VIN3, VIN4, BSTVOUT, LDO1, LDO2, LDO3,
LXB, LXBST (< 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
LDO4, FB1, REF, SCL, SDA, HWEN, BSTEN, INTRB, LXB, LXBST -------------------------------
−
0.3V to 6.5V
Recommended Operating Conditions
(Note 4)
Supply Voltage V
IN_B
, V
SYS
------------------------------------------------------------------------------------- 2.5V to 5.5V
Supply Voltage V
IN_BST
------------------------------------------------------------------------------------------- 2.5V to V
OUT_BST
- 0.1V
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 = BSTEN = H, V
IN_SYS
=
V
IN_B
= V
IN_BST
= V
IN_VIN12
=
V
IN_VIN3
= V
IN_VIN4
= 3.8V,
LDO/Buck/Boost 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_B
=
3.8V, all power regulators are off
HWEN = L, BSTEN = H, V
IN_SYS
= V
IN_B
= V
IN_BST
= 3.8V, only
Boost active, no load, automode
Leak current, HWEN = BSTEN =
L, V
IN_SYS
= V
IN_B
= V
IN_BST
=
V
IN_VIN12
= V
IN_VIN3
= V
IN_VIN4
=
2.5V to 5.5V,
40°C
to 85°C
Min
Typ
Max
Unit
I
QTATOL
--
106
138
Quiescent Current
I
QLDO
I
QBASE
I
QBOOST
--
--
--
95
7
12
118
10
20
A
Leakage Current
I
LEAK
--
--
1.5
A
V
SYS
Under-Voltage
UVLO
Lockout Threshold Rising
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
--
2.35
2.45
V
is a registered trademark of Richtek Technology Corporation.
DS5112-03 August 2019
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
