RT6219
Absolute Maximum Ratings
(Note 1)
VIN to PGND --------------------------------------------------------------------------------------------------
−0.3V
to 27V
SW to PGND --------------------------------------------------------------------------------------------------
−0.3V
to (V
IN
+ 0.3V)
<30ns -----------------------------------------------------------------------------------------------------------
−5V
to 28V
BOOT to PGND ----------------------------------------------------------------------------------------------- (V
SW
−
0.3V) to (V
SW
+ 6V)
EN to PGND ---------------------------------------------------------------------------------------------------
−0.3V
to 27V
FB to PGND ---------------------------------------------------------------------------------------------------
−0.3V
to 27V
VBYP to PGND -----------------------------------------------------------------------------------------------
−0.3V
to 5.3V
VCC, PGOOD to PGND ------------------------------------------------------------------------------------
−0.3V
to 6V
Power Dissipation, P
D
@ T
A
= 25°C
WDFN-10L 3x3 ------------------------------------------------------------------------------------------------ 3.28W
Package Thermal Resistance (Note 2)
WDFN-10L 3x3,
θ
JA
------------------------------------------------------------------------------------------ 30.5°C/W
WDFN-10L 3x3,
θ
JC
------------------------------------------------------------------------------------------ 7.5°C/W
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------ 260°C
Junction Temperature ---------------------------------------------------------------------------------------- 150°C
Storage Temperature Range -------------------------------------------------------------------------------
−65°C
to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Model) --------------------------------------------------------------------------------- 2kV
(Note 4)
Recommended Operating Conditions
Supply Input Voltage, VIN ---------------------------------------------------------------------------------- 5V to 23V
Junction Temperature Range -------------------------------------------------------------------------------
−40°C
to 125°C
Ambient Temperature Range -------------------------------------------------------------------------------
−40°C
to 85°C
Electrical Characteristics
(V
IN
= 12V, T
A
= 25°C, unless otherwise specified)
Parameter
Supply Current
Shutdown Current
Quiescent Current
Switch On-Resistance
Switch On-Resistance
Current Limit
Current Limit
Switching Frequency
Minimum Off-Time
Symbol
V
EN
= 0V
Test Conditions
Min
--
Typ
2.5
100
110
67
41
6
500
200
Max
5
130
150
--
--
8.3
550
--
Unit
A
A
V
EN
= 2V, No
switching
R
DS(ON)_H
V
BOOT
– V
SW
= 5V
R
DS(ON)_L
I
OC
f
SW
t
OFF_MIN
(RT6219A/AH)
(RT6219BL/BH)
--
--
--
--
m
Valley current of low-side switch
4.5
450
--
A
kHz
ns
Switching Frequency and Minimum Off Timer
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS6219-06 January 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
