RT2702
Absolute Maximum Ratings
(Note 1)
VIN, TON, EN to GND -----------------------------------------------------------------------------------------------------
−0.3V
to 20V
PHASE to GND
DC ------------------------------------------------------------------------------------------------------------------------------
−0.3V
to 20V
<100ns ------------------------------------------------------------------------------------------------------------------------
−8V
to 30V
VDRV, MODE, PWM,
THWN
, DISB to GND ---------------------------------------------------------------------
−0.3V
to 6V
CSP, CSN, FB, SS, ILIM, POK to GND ------------------------------------------------------------------------------
−0.3V
to 6V
RGND to GND ---------------------------------------------------------------------------------------------------------------
−0.3V
to 0.3V
Power Dissipation, P
D
@ T
A
= 25°C
WQFN-16L 3x3 ------------------------------------------------------------------------------------------------------------- 3.33W
Package Thermal Resistance (Note 2)
WQFN-16L 3x3,
θ
JA
-------------------------------------------------------------------------------------------------------- 30°C/W
WQFN-16L 3x3,
θ
JC
------------------------------------------------------------------------------------------------------- 7.5°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
(Note 4)
Recommended Operating Conditions
Input Supply Voltage, VHV ----------------------------------------------------------------------------------------------- 4.5V to 19V
Junction Temperature Range ---------------------------------------------------------------------------------------------
−40°C
to 125°C
Electrical Characteristics
(V
IN
= V
EN
= 6V, R
TON
= 390kΩ, T
A
=
−40°C
to 105°C , unless otherwise specified)
Parameter
Supply Operating Conditions
VIN Voltage Range
VIN Supply Current
VIN Operating Current
VIN Shutdown Current
VIN Supply Voltage
VIN UVLO Start Threshold
VIN UVLO Hysteresis
VDRV Regulator
VDRV Output Voltage
VDRV Output Voltage
VDRV Output Current
I
Q
Symbol
V
IN
Test Conditions
Min
4.5
Typ
--
--
--
--
500
5
5
--
Max
19
1
40
4.5
--
5.3
5.3
--
Unit
V
mA
A
V
mV
V
V
mA
V
IN
= 6V, EN = high, V
FB
= 0.6V
V
IN
= 6V, EN = low
Rising
--
--
--
--
I
SD
V
IN_UVLO
V
IN,UVLO_HYS
V
DRV
I
DRV
V
IN
> 5.5V, I
VDRV
< 35mA
4.5V < V
IN
< 5.5V, I
VDRV
< 25mA
V
DRV
= 4V
4.8
4
100
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2702-02 May 2019
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
