RT8015 데이터 시트보기 (PDF) - Richtek Technology
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RT8015 Datasheet PDF : 15 Pages
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RT8015
Absolute Maximum Ratings (Note 1)
l Supply Input Voltage, VDD, PVDD --------------------------------------------------------------------------- −0.3V to 6V
l LX Pin Switch Voltage ------------------------------------------------------------------------------------------ −0.3V to (PVDD + 0.3V)
l Other I/O Pin Voltages ------------------------------------------------------------------------------------------ −0.3V to (VDD + 0.3V)
l LX Pin Switch Current ------------------------------------------------------------------------------------------- 4A
l Power Dissipation, PD @ TA = 25°C
SOP-8 (Exposed Pad) ----------------------------------------------------------------------------------------- 1.33W
l Package Thermal Resistance (Note 2)
SOP-8 (Exposed Pad), θJA ------------------------------------------------------------------------------------ 75°C/W
SOP-8 (Exposed Pad), θJC ------------------------------------------------------------------------------------ 15°C/W
l Junction Temperature ------------------------------------------------------------------------------------------- 150°C
l Lead Temperature (Soldering, 10 sec.)---------------------------------------------------------------------- 260°C
l Storage Temperature Range ----------------------------------------------------------------------------------- −65°C to 150°C
l ESD Susceptibility (Note 3)
HBM (Human Body Mode) ------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
l Supply Input Voltage -------------------------------------------------------------------------------------------- 2.6V to 5.5V
l Junction Temperature Range ---------------------------------------------------------------------------------- −40°C to 125°C
l Ambient Temperature Range ---------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VDD = 3.3V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Input Voltage Range
VDD
2.6
--
5.5
V
Feedback Reference Voltage VREF
0.784 0.8 0.816 V
DC Bias Current
Active , VFB = 0.78V, Not Switching --
460
--
µA
Shutdown
--
--
1
µA
Output Voltage Line Regulation
VIN = 2.7V to 5.5V
--
0.04
--
%/V
Output Voltage Load Regulation
Error Amplifier
Transconductance
gm
Current Sense Transresistance RT
Power Good Range
Power Good Pull-Down
Resistance
Switching Frequency
Sync Frequency Range
0A < ILOAD < 2A
ROSC = 332k
Switching Frequency
-- 0.25 --
%
--
800
--
us
--
0.4
--
Ω
-- ±12.5 ±15
%
--
--
120
Ω
0.8
1
1.2 MHz
0.3
--
2 MHz
0.3
--
2 MHz
To be continued
DS8015-03 March 2011
www.richtek.com
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