RT6233A/B
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage ---------------------------------------------------------------------------------
0.3V
to 20V
Switch Node Voltage, LX ----------------------------------------------------------------------------
0.3V
to (V
IN
+ 0.3V)
BOOT Pin Voltage ------------------------------------------------------------------------------------
(V
LX
– 0.3V) to (V
IN
+ 6.3V)
Other Pins -----------------------------------------------------------------------------------------------
0.3V
to 6V
Power Dissipation, P
D
@ T
A
= 25C
WDFN-8L 2x3 ------------------------------------------------------------------------------------------
1.667W
Package Thermal Resistance
(Note 2)
WDFN-8L 2x3,
JA
------------------------------------------------------------------------------------
60C/W
WDFN-8L 2x3,
JC
------------------------------------------------------------------------------------
8C/W
Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------
260C
Junction Temperature --------------------------------------------------------------------------------
150C
Storage Temperature Range -----------------------------------------------------------------------
65C
to 150C
ESD Susceptibility
(Note 3)
HBM (Human Body Model) -------------------------------------------------------------------------
2kV
Recommended Operating Conditions
(Note 4)
Supply Input Voltage ---------------------------------------------------------------------------------
4.5V
to 18V
Ambient Temperature Range-----------------------------------------------------------------------
40C
to 85C
Junction Temperature Range ----------------------------------------------------------------------
40C
to 125C
Electrical Characteristics
(V
IN
= 12V, T
A
= 25C, unless otherwise specified)
Parameter
Supply Voltage
VIN Supply Input Operating
Voltage
Under-Voltage Lockout
Threshold
Under-Voltage Lockout
Threshold Hysteresis
Shutdown Current
Quiescent Current
Soft-Start
Internal Charge Current
Enable Voltage
EN Voltage Threshold
Feedback Voltage
Feedback Voltage Threshold
Symbol
Test Conditions
Min
Typ
Max
Unit
V
IN
V
UVLO
V
UVLO
I
SHDN
I
Q
V
EN
= 0V
V
EN
= 2V, V
FB
= 0.85V
4.5
3.6
--
--
--
--
3.9
340
--
0.5
18
V
4.2
--
5
--
mV
µA
mA
--
1
--
µA
V
EN
rising
V
EN
falling
V
FB_TH
4.5V ≤ V
IN
≤ 18V
1.3
1.18
1.5
1.28
1.7
1.38
V
0.788
0.8
0.812
V
Copyright © 2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6233A/B-02
December
2018
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
