Datasheet

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Special
6mmx 6mm
QFN
PkgCode: RSJ
V
IN
PWM_B
SRE_B
BST_B
BSW_B
V
GG
V
GG_
DIS
IMON_B
testmode
PGND
FLT_B
PGND
NC
PGND
SWB
SWA
PGND
NC
PGND
V
IN
PWM_A
SRE_A
BST_A
BSW_A
BP3
AGND
IMON_A
TMON
PGND
FLT_A
V
IN
NC V
IN
SWB SWA V
IN
NC V
IN
PINOUT
(TOP VIEW)
PINOUT
(BOTTOMVIEW)
UCD7242
www.ti.com SLUS962B –JANUARY 2010–REVISED AUGUST 2012
ELECTRICAL CHARACTERISTICS (continued)
V
IN
= 12V; 1μF from BP3 to GND, 0.22μF from BST to BSW, 4.7μF from V
GG
to PGND, T
A
= T
J
= –40°C to 125°C (unless
otherwise noted)
PARAMETER TEST CONDITION MIN TYP MAX UNIT
THERMAL SENSE
Thermal shutdown
(2)
170 °C
Thermal shutdown hysteresis
(2)
20 °C
Temperature Sense T
(2)
Gain, T
J
= –20°C to 125°C 10 mV/°C
Temperature Sense T Offset
(2)
T
J
= 0°C, –100 μA ≤ I
TMON
≤ 100 μA 470 mV
POWER MOSFETS
Propagation delay from PWM to switch node 32 ns
going high
High side MOSFET R
DS(ON)
15.5 mΩ
Low side MOSFET R
DS(ON)
6.5 mΩ
High side MOSFET turn on – Dead Time
(2)
5 10 ns
Low side MOSFET turn on – Dead Time
(2)
6 11 ns
(2) As designed and characterized. Not 100% tested in production.
DEVICE INFORMATION
PINOUT
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