RT8841
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage ------------------------------------------------------------------------------------------------------- −0.3V to 15V
z BOOTx to PHASEx -------------------------------------------------------------------------------------------------------- −0.3V to 15V
z BOOTx toGND
DC--------------------------------------------------------------------------------------------------------------------------- −0.3V to 30V
<200ns --------------------------------------------------------------------------------------------------------------------- −0.3V to 42V
z PHASEx toGND
DC--------------------------------------------------------------------------------------------------------------------------- −2V to 15V
<200ns --------------------------------------------------------------------------------------------------------------------- −5V to 30V
z Input/Output Voltage ------------------------------------------------------------------------------------------------------- −0.3V to 7V
z PowerDissipation, PD @ TA = 25°C
WQFN−40L6x6 ------------------------------------------------------------------------------------------------------------- 2.778W
z Package Thermal Resistance (Note 2)
WQFN-40L 6x6, θJA -------------------------------------------------------------------------------------------------------- 36°C/W
z Junction Temperature ------------------------------------------------------------------------------------------------------ 150°C
z Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------------- 260°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, VGND = 0V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
VCC12 Supply Input
VCC12 Supply Voltage
VCC12 Supply Current
VCC5 power
VVCC12
ICC
10.8
--
12
6
13.2
--
V
No switching
ILOAD = 10mA
mA
VCC5 Supply Voltage
VCC5 Output Sourcing
Power-On Reset
VVCC5
IVCC5
4.75
10
5.0
--
5.25
--
V
mA
VCC12 Rising Threshold
VCC12 Hysteresis
EN/VTT
VVCC12TH VCC12 Rising
VVCC12HY VCC12 Falling
9.2
--
9.6
0.9
10.0
--
V
V
EN/VTT Rising Threshold
Enable Hysteresis
VENVTT
EN/VTT Rising
0.80
--
0.85
100
0.90
--
V
VENVTTHY EN/VTT Falling
mV
Reference Voltage accuracy
0.8V to 1.6V
0.5V to 0.8V
−5
−8
--
--
+5
+8
DAC Accuracy
mV
To be continued
DS8841-01 April 2011
www.richtek.com
19
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