RT6222C/D
Absolute Maximum Ratings (Note 1)
VINtoGND ----------------------------------------------------------------------------------------------------- −0.3V to 20V
SW to GND ---------------------------------------------------------------------------------------------------- −0.3V to 20V
<10ns ----------------------------------------------------------------------------------------------------------- −5V to 25V
BOOT to SW -------------------------------------------------------------------------------------------------- −0.3V to 6V
BOOT toGND ------------------------------------------------------------------------------------------------- −0.3V to 26V
Other Pins------------------------------------------------------------------------------------------------------ −0.3V to 6V
Power Dissipation, PD @ TA = 25°C
TSOT-23-6 (FC) -----------------------------------------------------------------------------------------------1.429W
Package Thermal Resistance (Note 2)
TSOT-23-6 (FC), θJA ------------------------------------------------------------------------------------------70°C/W
TSOT-23-6 (FC), θJC -----------------------------------------------------------------------------------------15°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
Recommended Operating Conditions (Note 4)
Supply Input Voltage, VIN ----------------------------------------------------------------------------------4.3V to 18V
Junction Temperature Range------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = 12V, TA = 25°C, unless otherwise specified)
Parameter
Shutdown Current
Symbol
ISHDN
Test Conditions
VEN = 0V
Min
--
Typ
--
Max
4
Unit
A
Quiescent Current
IQ
VEN = 2V, VFB = 1V
VBOOTSW = 4.8V
VIN = 5V
--
0.5
150
--
mA
High-Side
Low-Side
RDS(ON)_H
--
--
Switch-On
Resistance
m
RDS(ON)_L
fSW
DMAX
tON
--
--
90
1.4
69
--
--
Oscillator Frequency
Maximum Duty Cycle
Minimum On-Time
MHz
%
--
--
--
40
--
ns
Feedback Threshold Voltage
VFB
In CCM mode
VIN rising
591
1.5
600
--
609
--
mV
Logic-High VEN_H
Logic-Low VEN_L
EN Input Threshold
V
--
---
0.4
VIN Under-Voltage Lockout
Threshold
VUVLO
3.55
3.9
4.25
V
VIN Under-Voltage Lockout
Threshold Hysteresis
--
340
--
mV
Soft-Start Time
tSS
--
--
800
160
--
--
s
C
Thermal Shutdown Threshold
TSD
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4
DS6222C/D-02 August 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
