RT6296E
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage, VIN ------------------------------------------------------------------------------
−0.3V
to 20V
Switch Voltage, SW -------------------------------------------------------------------------------------
−0.3V
to V
IN
+ 0.3V
<20ns -------------------------------------------------------------------------------------------------------
−5V
BOOT to SW, V
BOOT
−
SW
------------------------------------------------------------------------------
−0.3V
to 6V (7V for < 10μs)
Bias Supply Output, PVCC ----------------------------------------------------------------------------
−0.3V
to 6V (7V for < 10μs)
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
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------- 260°C
Junction Temperature ------------------------------------------------------------------------------------
−40°C
to 150°C
Storage Temperature Range ---------------------------------------------------------------------------
−65°C
to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Model) ----------------------------------------------------------------------------- 2kV
(Note 4)
Recommended Operating Conditions
Supply Input Voltage, VIN ------------------------------------------------------------------------------ 6V to 17V
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
Quiescent Current with no Load
at DCDC Output
Feedback Voltage
Feedback Current
Switch
On-Resistance
Current Limit
Low-Side Switch Current Limit
Oscillation Frequency
Fold-Back Frequency
Maximum Duty-Cycle
Minimum On-Time
Input Under-Voltage
Lockout Threshold
V
IN
Rising
High-Side
Low-Side
Symbol
Test Conditions
V
EN
= 2V, V
FB
= 1V, TTH = 0.5V
Min
--
0.799
Typ
0.8
0.807
10
100
40
4.5
2
800
125
92
60
5.3
1.1
Max
1
0.815
50
--
--
--
--
--
--
--
--
5.85
--
Unit
mA
V
nA
m
A
A
kHz
kHz
%
ns
V
V
V
FB
I
FB
R
DS(ON)H
R
DS(ON)L
I
LIM
Under 40% duty-cycle
From Drain to Source
f
OSC
V
FB
= 0.75V
V
FB
< 400mV
D
MAX
t
ON
V
UVLO
V
IN
Rising
Hysteresis
V
UVLO
V
FB
= 0.7V
V
FB
= 820mV
--
--
--
3
--
--
--
87
--
4.9
--
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS6296E-02
June 2016
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
