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参数资料
| 型号： | TPS65148RHBR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| 封装： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件页数： | 12/30页 |
| 文件大小： | 947K |
| 代理商： | TPS65148RHBR |
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SLVS904A – MAY 2009 – REVISED JANUARY 2011
www.ti.com
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(1)
TA
ORDERING
PACKAGE
PACKAGE MARKING
–40°C to 85°C
TPS65148RHB
32-pin QFN
TPS65148
(1)
The RHB package is available taped an reeled. For the most current package and ordering information, see the Package Option
Addendum at the end of this document, or see the TI website at www.ti.com.
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
(1)
VALUE
UNIT
Input voltage range VIN(2)
–0.3 to 6.5
V
Voltage range on pins COMP, EN, FB, FREQ, GD, HVS, REG_FB, RHVS, SS, VDET, VDPM, VFLK,
–0.3 to 6.5
V
XAO (2)
Voltage on pins OPI, OPO, REG_I, REG_O, SUP, SW(2)
–0.3 to 20
V
Voltage on pins RE, VGH, VGHM(2)
–0.3 to 36
V
ESD rating HBM
2
kV
ESD rating MM
200
V
ESD rating CDM
500
V
Continuous power dissipation
See Thermal Information Table
Storage temperature range
–65 to 150
°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.
(2)
All voltage values are with respect to network ground terminal.
THERMAL INFORMATION
TPS65148
THERMAL METRIC(1)
RHB
UNITS
32 PINS
qJA
(2)
Junction-to-ambient thermal resistance
37.1
qJCtop
Junction-to-case (top) thermal resistance
38.7
qJB
Junction-to-board thermal resistance
9.4
°C/W
yJT
Junction-to-top characterization parameter
0.5
yJB
Junction-to-board characterization parameter
10.4
qJCbot
Junction-to-case (bottom) thermal resistance
2.6
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
(2)
qJA. given for High-K PCB board.
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
TYP
MAX
UNIT
VIN
Input voltage range
2.5
6
V
VS, VSUP,
Boost converter output voltage range. SUP pin and REG_I pin input supply voltage
7
18
V
VREG_I
range
VGH
Gate voltage shaping input voltage range
15
35
V
TA
Operating ambient temperature
–40
85
°C
TJ
Operating junction temperature
–40
125
°C
2
Copyright 2009–2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS65148
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