RT8015
Absolute Maximum Ratings
l
l
l
l
l
(Note 1)
l
l
l
l
l
Supply Input Voltage, VDD, PVDD ---------------------------------------------------------------------------
−0.3V
to 6V
LX Pin Switch Voltage ------------------------------------------------------------------------------------------
−0.3V
to (PVDD + 0.3V)
Other I/O Pin Voltages ------------------------------------------------------------------------------------------
−0.3V
to (VDD + 0.3V)
LX Pin Switch Current ------------------------------------------------------------------------------------------- 4A
Power Dissipation, P
D
@ T
A
= 25°C
SOP-8 (Exposed Pad) ----------------------------------------------------------------------------------------- 1.33W
Package Thermal Resistance (Note 2)
SOP-8 (Exposed Pad),
θ
JA
------------------------------------------------------------------------------------ 75°C/W
SOP-8 (Exposed Pad),
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 Mode) ------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------- 200V
(Note 4)
Recommended Operating Conditions
l
l
l
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
DC Bias Current
Output Voltage Line Regulation
Output Voltage Load Regulation
Error Amplifier
Transconductance
Current Sense Transresistance
Power Good Range
Power Good Pull-Down
Resistance
Switching Frequency
Sync Frequency Range
Symbol
V
DD
V
REF
Test Conditions
Min
2.6
0.784
Typ
--
0.8
460
--
0.04
0.25
800
0.4
±12.5
--
1
--
--
Max
5.5
0.816
--
1
--
--
--
--
±15
120
1.2
2
2
Unit
V
V
µA
µA
%/V
%
us
Ω
%
Ω
MHz
MHz
MHz
Active , V
FB
= 0.78V, Not Switching
Shutdown
V
IN
= 2.7V to 5.5V
0A < I
LOAD
< 2A
g
m
R
T
--
--
--
--
--
--
--
--
R
OSC
= 332k
Switching Frequency
0.8
0.3
0.3
To be continued
DS8015-03 March 2011
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
