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, V
BOOT
−
V
SW
-----------------------------------------------------------------------------------------
−0.3V
to 6V
BOOT Voltage ----------------------------------------------------------------------------------------------------------
−0.3V
to 34V
Other Pins ---------------------------------------------------------------------------------------------------------------
−0.3V
to 6V
Power Dissipation, P
D
@ T
A
= 25°C
TSOT-23-8 (FC) -------------------------------------------------------------------------------------------------------- 1.428W
Package Thermal Resistance (Note 2)
TSOT-23-8 (FC),
θ
JA
--------------------------------------------------------------------------------------------------- 70°C/W
TSOT-23-8 (FC),
θ
JC
-------------------------------------------------------------------------------------------------- 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
(V
IN
= 12V, T
A
= 25°C, unless otherwise specified)
Parameter
Supply Voltage
VIN Supply Input Operating Voltage
VIN Under-Voltage Lockout
Threshold
VIN Under-Voltage Lockout
Threshold-Hysteresis
Supply Current
Shutdown Current
Quiescent Current
Soft-Start
Soft-Start Current
Enable Voltage
EN Rising Threshold
EN Hysteresis
Symbol
V
IN
V
UVLO
V
UVLO
Test Conditions
Min
4.5
Typ
--
3.9
350
Max
24
4.1
--
Unit
V
V
mV
V
IN
rising
3.7
--
I
SHDN
I
Q
V
EN
= 0V
V
EN
= 2V, V
FB
= 1V,
V
SS
= 0V (not switching)
--
130
--
150
10
240
A
A
I
SS
V
ENH
V
EN
--
1.2
80
4
1.4
150
--
1.6
220
A
V
mV
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS6217A/B-01 October 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
