RT8841 데이터 시트보기 (PDF) - Richtek Technology
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RT8841 Datasheet PDF : 33 Pages
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RT8841
Absolute Maximum Ratings (Note 1)
Supply Input Voltage --------------------------------------------------------------------------------------------------------- −0.3V to 15V
BOOTx to PHASEx ---------------------------------------------------------------------------------------------------------- −0.3V to 15V
BOOTx to GND
DC ----------------------------------------------------------------------------------------------------------------------------- −0.3V to 30V
<200ns ----------------------------------------------------------------------------------------------------------------------- −0.3V to 42V
PHASEx to GND
DC ----------------------------------------------------------------------------------------------------------------------------- −2V to 15V
<200ns ----------------------------------------------------------------------------------------------------------------------- −5V to 30V
Input/Output Voltage --------------------------------------------------------------------------------------------------------- −0.3V to 7V
Power Dissipation, PD @ TA = 25°C
WQFN−40L 6x6 --------------------------------------------------------------------------------------------------------------- 2.778W
Package Thermal Resistance (Note 2)
WQFN-40L 6x6, θJA ---------------------------------------------------------------------------------------------------------- 36°C/W
Junction Temperature -------------------------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.) ---------------------------------------------------------------------------------- 260°C
ESD Susceptibility (Note 3)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) --------------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
Supply Voltage, VCC12 ---------------------------------------------------------------------------------------------------- 12V ± 10%
Junction Temperature Range ---------------------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range ---------------------------------------------------------------------------------------------- 0°C to 70°C
Electrical Characteristics
(VCC12 = 12V, VGND = 0V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
VCC12 Supply Input
VCC12 Supply Voltage
VCC12 Supply Current
VCC5 power
VVCC12
ICC
VCC5 Supply Voltage
VVCC5
VCC5 Output Sourcing
Power-On Reset
IVCC 5
VCC12 Rising Threshold
VCC12 Hysteresis
EN/VTT
VV CC12 TH
VV CC12 HY
EN/VTT Rising Threshold VENVTT
Enable Hysteresis
VENVTTHY
Reference Voltage accuracy
No switching
ILOAD = 10mA
VCC12 Rising
VCC12 Falling
EN/VTT Rising
EN/VTT Falling
DAC Accuracy
0.8V to 1.6V
0.5V to 0.8V
Min Typ Max Unit
10.8 12 13.2 V
--
6
-- mA
4.75 5.0 5.25 V
10
--
-- mA
9.2 9.6 10.0 V
--
0.9
--
V
0.80 0.85 0.90 V
--
100 -- mV
5
--
+5
mV
8
--
+8
Copyright ©2014 Richtek Technology Corporation. All rights reserved.
DS8841-02 August 2014
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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