TPS40074_16 Datasheet, PDF (2/38 Pages) Texas Instruments – MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD

TPS40074
SLUS617B – APRIL 2005 – REVISED OCTOBER 2006
ORDERING INFORMATION
T_A
40°C to 85°C
PACKAGE
Plastic QFN (RHL)
PART NUMBER
TPS40074RHLT ⁽¹⁾
TPS40074RHLR ⁽²⁾
(1) The TPS40074 is available taped and reeled only. Add an T
suffix (i.e. TPS40074RHLT) to the orderable part number for
quantities of 250 units per small reel. .
(2) Add an R suffix (i.e. TPS40074RHLR) to the orderable part
number for quantities of 3,000 units per smalllarge reel.
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ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range unless otherwise noted⁽¹⁾
V_DD
V_OUT
I_OUT
I_OUT
T_J
T_stg
VDD, ILIM
FB, KFF, PGD, SYNC
Input voltage range
SW
SA+, SA-
SW, transient < 50 ns
COMP, RT, SS
Output voltage range
BOOST, HDRV
DBP, SAO, LDRV
LVBP
Output current source LDRV, HDRV
Output current sink
LDRV, HDRV
KFF
Output current
RT
LVBP
Operating junction temperature range
Storage temperature
TPS40074
30
–0.3 to 6
–0.3 to 40
–0.3 to 11
–2.5
–0.3 to 6
50
10.5
6
1.5
2.0
10
1
1.5
–40 to 125
–55 to 150
UNIT
V
A
mA
°C
(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 conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIIONS
V_DD Input voltage
T_A
Operating free-air temperature
MIN NOM
4.5
-40
MAX
28
85
UNIT
V
°C
2
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