參數(shù)資料
型號(hào)： TPS65182RGZT
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 7 X 7 MM, 0.9 MM, PLASTIC, QFP-48
文件頁數(shù)： 20/24頁
文件大?。?/td> 865K
代理商： TPS65182RGZT
www.ti.com
SLVSAA2C – MARCH 2010 – REVISED OCTOBER 2010
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
(1) (2)
VALUE
UNIT
Input voltage range at VIN, VINP
–0.3 to 7
V
Ground pins to system ground
–0.3 to 0.3
V
Voltage range at SDA, SCL, WAKEUP, PWR3, PWR2, PWR1, PWR0, VCOM_CTRL,
–0.3 to 3.6
V
VDDH_FB, VEE_FB, PWR_GOOD
VCOM_XADJ
–3.6 to 0.3
V
Voltage on VB, VB_SW, VPOS_IN, VDDH_IN
–0.3 to 20
V
Voltage on VN, VNEG_IN, VEE_IN, VCOM_PWR
–20 to 0.3
V
Voltage from VINP to VN_SW
–0.3 to 30
V
Peak output current
Internally limited
mA
Continuous total power dissipation
2
W
qJA
Junction-to-ambient thermal resistance(3)
23
°C/W
TJ
Operating junction temperature
-10 to 125
°C
TA
Operating ambient temperature(4)
-10 to 85
°C
Tstg
Storage temperature
-65 to 150
°C
(HBM) Human body model
±2000
ESD rating
V
(CDM) Charged device model
±500
(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.
(3)
Estimated when mounted on high K JEDEC board per JESD 51-7 with thickness of 1.6 mm, 4 layers, size of 76.2 mm X 114.3 mm, and
2 oz. copper for top and bottom plane. Actual thermal impedance will depend on PCB used in the application.
(4)
It is recommended that copper plane in proper size on board be in contact with die thermal pad to dissipate heat efficiently. Thermal pad
is electrically connected to PBKG, which is supposed to be tied to the output of buck-boost converter. Thus wide copper trace in the
buck-boost output will help heat dissipated efficiently.
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
Input voltage range at VIN, VINP
3
3.7
6
V
Voltage range at SDA, SCL, WAKEUP, PWR3, PWR2, PWR1, PWR0,
0
3.6
V
VCOM_CTRL, VDDH_FB, VEE_FB, VCOM_XADJ, PWR_GOOD
TA
Operating ambient temperature range
–10
85
°C
TJ
Operating junction temperature range
–10
125
°C
RECOMMENDED EXTERNAL COMPONENTS
PART NUMBER
VALUE
SIZE
MANUFACTURER
INDUCTORS
LQH44PN4R7MP0
4.7 H
4 mm x 4 mm x 1.65 mm
Murata
VLS252012T-2R2M1R3
2.2 H
2 mm x 2.5 mm x 1.2 mm
TDK
CAPACITORS
GRM21BC81E475KA12L
4.7 F, 25 V, X6S
805
Murata
GRM32ER71H475KA88L
4.7 F, 50 V, X7R
1210
Murata
All other caps
X5R or better
DIODES
BAS3010
SOD-323
Infineon
MBR130T1
SOD-123
ON-Semi
THERMISTOR
NCP18XH103F03RB
10 K
Ω
603
Murata
Copyright 2010, Texas Instruments Incorporated
5
Product Folder Link(s): TPS65182 TPS65182B
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