RT6217A/B
Absolute Maximum Ratings (Note 1)
Supply Input Voltage, VIN ------------------------------------------------------------------------------------------- −0.3V to 28V
Enable Pin Voltage, EN ---------------------------------------------------------------------------------------------- −0.3V to 28V
Switch Voltage, SW--------------------------------------------------------------------------------------------------- −0.3V to 28V
SW (t ≤ 10ns) ---------------------------------------------------------------------------------------------------------- −5V to 30V
BOOT to SW, VBOOT − VSW ----------------------------------------------------------------------------------------- −0.3V to 6V
BOOT Voltage ---------------------------------------------------------------------------------------------------------- −0.3V to 34V
Other Pins --------------------------------------------------------------------------------------------------------------- −0.3V to 6V
Power Dissipation, PD @ TA = 25°C
TSOT-23-8 (FC) -------------------------------------------------------------------------------------------------------- 1.428W
Package Thermal Resistance (Note 2)
TSOT-23-8 (FC), θJA --------------------------------------------------------------------------------------------------- 70°C/W
TSOT-23-8 (FC), θJC -------------------------------------------------------------------------------------------------- 15°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
Recommended Operating Conditions (Note 4)
Supply Input Voltage-------------------------------------------------------------------------------------------------- 4.5V to 24V
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
Supply Voltage
Symbol
Test Conditions
Min
Typ Max Unit
VIN Supply Input Operating Voltage VIN
VIN Under-Voltage Lockout
4.5
3.7
--
24
V
V
VUVLO
VIN rising
3.9
4.1
Threshold
VIN Under-Voltage Lockout
Threshold-Hysteresis
VUVLO
--
350
--
mV
Supply Current
Shutdown Current
ISHDN
IQ
VEN = 0V
--
--
10
A
A
VEN = 2V, VFB = 1V,
Quiescent Current
130
150
240
VSS = 0V (not switching)
Soft-Start
Soft-Start Current
Enable Voltage
EN Rising Threshold
EN Hysteresis
ISS
--
4
--
A
VENH
1.2
80
1.4
1.6
V
VEN
150
220
mV
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6
DS6217A/B-01 October 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
