RT8238A
4
RT8238A-07 January 2014
www.richtek.com
©
Copyright 2014 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Recommended Operating Conditions
(Note 4)
z
Input Voltage, V
PHASE
------------------------------------------------------------------------------------------------------ 4.5V to 26V
z
Control Voltage, V
CC
-------------------------------------------------------------------------------------------------------
4.5V to 5.5V
z
Junction Temperature Range ---------------------------------------------------------------------------------------------
−
40
°
C to 125
°
C
z
Ambient Temperature Range ---------------------------------------------------------------------------------------------
−
40
°
C to 85
°
C
Absolute Maximum Ratings
(Note 1)
z
VCC, FB, PGOOD, EN, CS, MODE to GND -------------------------------------------------------------------------
−
0.3V to 6V
z
TON to GND
-------------------------------------------------------------------------------------------------------------------
−
0.3V to
32
V
z
BOOT to PHASE ------------------------------------------------------------------------------------------------------------
−
0.3V to 6V
z
PHASE to GND
DC -------------------------------------------------------------------------------------------------------------------------------
−
0.3V to 32V
< 20ns -------------------------------------------------------------------------------------------------------------------------
−
8V to 38V
z
UGATE to PHASE
DC -------------------------------------------------------------------------------------------------------------------------------
−
0.3V to 6V
< 20ns -------------------------------------------------------------------------------------------------------------------------
−
5V to 7.5V
z
LGATE to GND
DC -------------------------------------------------------------------------------------------------------------------------------
−
0.3V to 6V
< 20ns -------------------------------------------------------------------------------------------------------------------------
−
2.5V to 7.5V
z
Power Dissipation, P
D
@ T
A
= 25
°
C
WQFN-12L 2x2 -------------------------------------------------------------------------------------------------------------- 0.606W
z
Package Thermal Resistance (Note 2)
WQFN-12L 2x2,
θ
JA
--------------------------------------------------------------------------------------------------------- 165
°
C/W
z
Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------------- 260
°
C
z
Junction Temperature ------------------------------------------------------------------------------------------------------- 150
°
C
z
Storage Temperature Range ----------------------------------------------------------------------------------------------
−
65
°
C to 150
°
C
z
ESD Susceptibility (Note 3)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------------------- 200V
