RT6908
Absolute Maximum Ratings (Note 1)
z EN, EN_I2C,AVIN, VINB1, LXI,GD,AVDD, LX, LXB1, LXB2,
BOOT1, BOOT2,DHB2, VDET to PGND ----------------------------------------------------------------------------- −0.3 to 26V
z SDA, SCL, A0, RSTB, CRST, VL, COMP, COMP1, COMP2, FBB1,
FBB2, ILIMIT2, DLB2,DRVNto PGND -------------------------------------------------------------------------------- −0.3 to 6V
z BOOT1 to LXB1 ------------------------------------------------------------------------------------------------------------- −0.3 to 6V
z BOOT2,DHB2 to LXB2 --------------------------------------------------------------------------------------------------- −0.3 to 6V
z DRVP, VGH to PGND ----------------------------------------------------------------------------------------------------- −0.3 to 44V
z VGL to PGND --------------------------------------------------------------------------------------------------------------- −26V to 26V
z PGNDtoAGND ------------------------------------------------------------------------------------------------------------- 0.3V
z Power Dissipation, PD @ TA = 25°C
WQFN-40L 5x5 ------------------------------------------------------------------------------------------------------------- 2.778W
z Package Thermal Resistance (Note 2)
WQFN-40L 5x5, θJA -------------------------------------------------------------------------------------------------------- 36°C/W
WQFN-40L 5x5, θJC ------------------------------------------------------------------------------------------------------- 6°C/W
z Lead Temperature (Soldering, 10 sec.)-------------------------------------------------------------------------------- 260°C
z Junction Temperature ------------------------------------------------------------------------------------------------------ 150°C
z Storage Temperature Range --------------------------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Model)----------------------------------------------------------------------------------------------- 2kV
MM (Machine Model) ------------------------------------------------------------------------------------------------------ 200V
Recommended Operating Conditions (Note 4)
z Junction Temperature Range-------------------------------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range-------------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(Typical values VIN = VAVIN = VINB = 12V, VAVDD = 15.6V, VI/O = 3.3V, VCORE = 1.1V, VGH = 35.5V, VGL = −6V, TA = 25°C, unless
otherwise specified)
Parameter
Supply Current
Symbol
Test Conditions
Min
Typ
Max
Unit
Input Voltage Range
V
9
--
--
3.5
8.6
7.6
5
16
--
9
V
IN
AVIN Quiescent Current
I
LX, LXBx Not Switching
mA
QIN
--
V
IN
V
IN
V
IN
Rising
Under Voltage Lockout Threshold
V
7.2
--
--
--
--
V
V
Falling
UVLO
L
Falling Latch Reset
VL Output Voltage
Fault Detection
V
--
5
Fault Trigger Duration
--
--
--
50
150
50
--
--
--
ms
°C
°C
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Temperature Rising
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6
DS6908-01 March 2013
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
