參數(shù)資料
型號： TPS56121DQPT
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 1100 kHz SWITCHING FREQ-MAX, PDSO22
封裝： ROHS COMPLIANT, PLASTIC, SON-22
文件頁數(shù)： 12/25頁
文件大小： 653K
代理商： TPS56121DQPT
SLUSAH4
– MARCH 2011
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ORDERING INFORMATION
PACKAGE
MINIMUM QUANTITY
ORDERABLE
TA
PINS
TRANSPORT MEDIA
NUMBER
250
TPS56121DQPT
-40
°C to 150°C
Plastic QFN (DQP)
22
Tape-and-reel
2500
TPS56121DQPR
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
(1)
VALUE
UNIT
MIN
TYP
VDD, VIN
–0.3
16.5
V
SW
–3
25
SW (
< 100 ns pulse width, 10 J)
-5
Voltage Range
BOOT
–0.3
30
BOOT-SW (differential from BOOT to SW)
–0.3
7
COMP, PGOOD, FB, BP, EN/SS, ILIM
–0.3
7
(HBM) QSS 009-105 (JESD22-A114A)
2
kV
Electrostatic discharge
(CBM) QSS 009-147 (JESD22-C101B.01)
1.5
Junction, TJ
–40
150
°C
Temperature
Storage, Tstg
–55
150
(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 included under Recommended Operating
Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods of time may affect device reliability.
THERMAL INFORMATION
TPS56121
THERMAL METRIC(1)
PQFN
UNITS
22 PINS
θJA
Junction-to-ambient thermal resistance
34.6
θJCtop
Junction-to-case (top) thermal resistance
22.9
ψJT
Junction-to-top characterization parameter
0.6
°C/W
ψJB
Junction-to-board characterization parameter
5.0
θJCbot
Junction-to-case (bottom) thermal resistance
0.3
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
TYP
MAX UNIT
VDD
VIN Input voltage
4.5
14
V
TJ
Operating junction temperature
–40
125
°C
2
Copyright
2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS56121
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