RT8855 데이터 시트보기 (PDF) - Richtek Technology
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RT8855 Datasheet PDF : 18 Pages
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RT8855
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage ---------------------------------------------------------------------------------------------------- −0.3V to 15V
z BOOTx to PHASEx ----------------------------------------------------------------------------------------------------- −0.3V to 15V
z BOOTx to GND
DC --------------------------------------------------------------------------------------------------------------------------- −0.3V to 30V
<200ns --------------------------------------------------------------------------------------------------------------------- −0.3V to 42V
z PHASEx to GND
DC --------------------------------------------------------------------------------------------------------------------------- −2V to 15V
<200ns --------------------------------------------------------------------------------------------------------------------- −5V to 30V
z Input/Output Voltage or I/O Voltage ---------------------------------------------------------------------------------- −0.3V to 7V
z Power Dissipation, PD @ TA = 25°C
WQFN−48L 7x7 ---------------------------------------------------------------------------------------------------------- 3.226W
z Package Thermal Resistance (Note 2)
WQFN-48L 7x7, θJA ----------------------------------------------------------------------------------------------------- 31°C/W
z Junction Temperature --------------------------------------------------------------------------------------------------- 150°C
z Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------------- 260°C
z Storage Temperature Range ------------------------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
z Supply Voltage, VCC12 ------------------------------------------------------------------------------------------------ 12V ± 10%
z Junction Temperature Range ------------------------------------------------------------------------------------------ −40°C to 125°C
z Ambient Temperature Range ------------------------------------------------------------------------------------------ 0°C to 70°C
Electrical Characteristics
(VCC12 = 12V, GND = 0V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
VCC Supply Input
VCC12 Supply Voltage
VCC12 Supply Current
VCC12_NB Supply Voltage
V VCC1 2
IVCC12
V VCC1 2_NB
VCC12_NB Supply Current
IV CC12 _NB
VCC5 Power
VCC5 Supply Voltage
VCC5 Output Sourcing
Power-On Reset
V VCC5
IVCC5
ILOAD = 10mA
VCC12 Rising Threshold
VVCC12TH VCC12 Rising
VCC12 Hysteresis
Input Threshold
VVCC12HY VCC12 Falling
Enable Input High Threshold
Enable Input Low Threshold
V ENHI
V ENL O
EN Rising
EN Falling
DS8855-01 April 2011
Min Typ Max Unit
10.8 12 13.2 V
--
10
-- mA
10.8 12 13.2 V
--
5
-- mA
4.9
5
5.1
V
10
--
-- mA
9.2 9.6 10
V
--
0.9
--
V
2
--
--
V
--
--
0.8
V
To be continued
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