RT8015D
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage, VDD, PVDD ----------------------------------------------------------------------------
−0.3V
to 6V
LX Pin Switch Voltage --------------------------------------------------------------------------------------------
−0.3V
to (PVDD + 0.3V)
<200ns ---------------------------------------------------------------------------------------------------------------
−5V
to 7.5V
Other I/O Pin Voltages -------------------------------------------------------------------------------------------
−0.3V
to (VDD + 0.3V)
LX Pin Switch Current -------------------------------------------------------------------------------------------- 4A
Power Dissipation, P
D
@ T
A
= 25°C
WDFN-10L 3x3 ----------------------------------------------------------------------------------------------------- 1.429W
Package Thermal Resistance (Note 2)
WDFN-10L 3x3,
θ
JA
----------------------------------------------------------------------------------------------- 70°C/W
WDFN-10L 3x3,
θ
JC
----------------------------------------------------------------------------------------------- 7.8°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 Mode) -------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions
(Note 4)
Supply Input Voltage ---------------------------------------------------------------------------------------------- 2.6V to 5.5V
Junction Temperature Range ------------------------------------------------------------------------------------
−40°C
to 125°C
Ambient Temperature Range ------------------------------------------------------------------------------------
−40°C
to 85°C
Electrical Characteristics
(V
DD
= 3.3V, T
A
= 25°C, unless otherwise specified)
Parameter
Input Voltage Range
Feedback Reference Voltage
Feedback Leakage Current
DC Bias Current
Output Voltage Line Regulation
Output Voltage Load Regulation
Error Amplifier
Transconductance
Current Sense Transresistance
Switching Leakage Current
Switching Frequency
Switch On Resistance, High
Switch On Resistance, Low
Symbol
V
DD
V
REF
I
FB
Test Conditions
Min
2.6
0.792
--
Typ
--
0.8
0.1
460
--
0.03
Max
5.5
0.808
0.4
--
1
--
0.2
--
--
1
1.2
2
160
170
Unit
V
V
μA
μA
μA
%/V
%
μs
Ω
μA
MHz
MHz
mΩ
mΩ
Active , V
FB
= 0.78V, Not Switching
Shutdown
V
IN
= 2.7V to 5.5V
Measured in Servo Loop,
V
COMP
= 0.2V to 0.7V (Note 5)
g
m
R
T
SHDN/RT = VIN = 5.5V
R
OSC
= 332k
Switching Frequency
R
DS(ON)_P
I
SW
= 0.5A
R
DS(ON)_N
I
SW
= 0.5A
--
--
--
−0.2
--
--
--
0.8
0.3
--
--
±
0.02
800
0.4
--
1
--
110
110
To be continued
DS8015D-02 March 2011
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
