Datasheet
UCD7242
www.ti.com
SLUS962B –JANUARY 2010–REVISED AUGUST 2012
ORDERING INFORMATION
OPERATING
ORDERABLE PART
TEMPERATURE PIN COUNT SUPPLY PACKAGE TOP SIDE MARKING
NUMBER
RANGE, T
A
UCD7242RSJR Reel of 2500
–40°C to 125°C 32-pin QFN UCD7242
UCD7242RSJT Reel of 250
ABSOLUTE MAXIMUM RATINGS
(1)
over operating free-air temperature range (unless otherwise noted)
PARAMETER RATING VALUE
VIN Supply voltage –0.3 to 20 V
DC –0.3 to SW + 7 V
BST Boot voltage
AC
(2)
34 V
V
GG
, V
GG
_DIS Gate supply voltage 7 V
BP3 Logic supply voltage 4 V
DC –2 to VIN + 1 V
SW, BSW Switch voltage
AC
(2)
34 V
TMON, IMON, Testmode Analog outputs –0.3 to 3.6 V
PWM-A, PWM-B, SRE-A, Digital I/O’s –0.3 to 5.5 V
SRE-B, FLT-A, FLT-B
T
J
Junction temperature –55 to 150 °C
T
stg
Storage temperature –55 to 150 °C
ESD rating HBM: Human Body model 2000 V
CDM: Charged device model 500 V
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only and functional operation of the device at these or any other condition beyond those indicated is not implied. Exposure to absolute-
maximum-rated conditions for extended periods may affect device reliability. All voltages are with respect to GND. Currents are positive
into, negative out of the specified terminal. Consult company packaging information for thermal limitations and considerations of
packages.
(2) AC levels are limited to within 5 ns.
DISSIPATION RATINGS (TYPICAL)
PACKAGE AIRFLOW (LFM) R
θJA
TI EVM BOARD
(1)
POWER RATING POWER RATING
T
A
= 25°C T
A
= 85°C
0 (natural convection) 19.1°C/W 5.2 W 2.1 W
RSJ 200 15.1°C/W 6.6 W 2.6 W
400 13.4°C/W 7.5 W 3.0 W
(1) Data taken using TI EVM.
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN TYP MAX UNIT
V
IN
Power input voltage (internally generated V
GG
) 4.75 12 18 V
V
IN
Power input voltage (externally generated V
GG
) 2.2 12 18 V
V
GG
Externally supplied gate drive voltage 4.75 6.2 V
T
J
Operating junction temperature range –40 125 °C
f
s
Switching frequency 300 750 2000 kHz
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