RT2825
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage, VINR, VIN1,VIN2 -------------------------------------------------------------------------
−0.3V
to 20V
Switch Node Voltage, LX ---------------------------------------------------------------------------------------------
−0.3V
to 20.3V
LX (t
≤
10ns) ------------------------------------------------------------------------------------------------------------
−7V
to 33V
BOOT Pin Voltage -----------------------------------------------------------------------------------------------------
−0.3V
to 26.3V
BOOT (t
≤
10ns) -------------------------------------------------------------------------------------------------------
−3.9V
to 33V
Other Pins ---------------------------------------------------------------------------------------------------------------
−0.3V
to 6V
Power Dissipation, P
D
@ T
A
= 25°C
VQFN-36L 6x6 --------------------------------------------------------------------------------------------------------- 3.66W
Package Thermal Resistance (Note 2)
VQFN-36L 6x6,
θ
JA
---------------------------------------------------------------------------------------------------- 27.3°C/W
VQFN-36L 6x6,
θ
JC
--------------------------------------------------------------------------------------------------- 4.7°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 Model) ------------------------------------------------------------------------------------------ 2kV
CDM (Charged Device Model) -------------------------------------------------------------------------------------- 1kV
Recommended Operating Conditions
(Note 4)
Supply Input Voltage -------------------------------------------------------------------------------------------------- 4.5V to 18V
Junction Temperature Range ----------------------------------------------------------------------------------------
−40°C
to 125°C
Ambient Temperature Range ----------------------------------------------------------------------------------------
−40°C
to 85°C
Electrical Characteristics
Parameter
Input Supply
VIN Operating In
put Volta
ge
Shutdown Supply Current
V
IN
I
SHDN
(V
IN
= 4.5V to 18V, T
A
=
−45°C
to 105°C, unless otherwise specified)
Symbol
Test Conditions
Min
Typ
Max
Unit
4.5
--
5
2.6
30
4.25
3.75
0.5
5.1
18
--
--
--
4.5
--
--
--
V
A
mA
mA
V
EN1
= V
EN2
= 0V
V
EN1
= V
EN2
= V
LOWP
= 3.3V,
without bucks switching
V
EN1
= V
EN2
= V
LOWP
= 3.3V,
with bucks switching
VINR rising
VINR falling
Hysteresis
--
--
--
--
3.5
--
--
Supply Current (No Switching) I
Q_NSW
Supply Current (Switching)
I
Q_SW
VINR Internal UVLO
Threshold
5.1V LDO
Enable
EN Threshold
EN Threshold
UVLO
V
V
PVCC
VPVCC load current = 0A
V
V
IH
V
IL
Rising
Falling
--
1.1
1.21
1.17
1.26
--
V
V
Copyright
©
2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2825-00 May 2017
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
