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參數資料
| 型號： | TPS51020DBTR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 450 kHz SWITCHING FREQ-MAX, PDSO30 |
| 封裝： | GREEN, PLASTIC, TSSOP-30 |
| 文件頁數： | 12/29頁 |
| 文件大?。?/td> | 672K |
| 代理商： | TPS51020DBTR |
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TPS51020
SLUS564C JULY 2003 REVISED OCTOBER 2008
2
www.ti.com
ABSOLUTE MAXIMUM RATINGS
Over operating free-air temperature range unless otherwise noted. All voltage values are with respect to the network ground terminal unless
otherwise noted. (1)
TPS51020
UNIT
VBST1, VBST2
0.3 to 35
Input voltage range
VBST1, VBST2 (with respect to LL )
0.3 to 7
Input voltage range
VIN, TRIP1, TRIP2, ENBL1, ENBL2, DDR
0.3 to 30
SKIP, INV1, INV2
0.3 to 7
OUT1_U, OUT2_U
1 to 35
OUT1_U, OUT2_U (with respect to LL )
0.3 to 7
V
LL1, LL2
1 to 30
V
Ouput voltage range
REF_X
0.3 to 15
Ouput voltage range
PGOOD, VO1_VDDQ, VO2, OUT1_D, OUT2_D, COMP1, COMP2, VREG5,
SSTRT1, SSTRT2
0.3 to 7
OUTGND1, OUTGND2
0.3 to 0.3
Output current range
VREG5
70
mA
Output current range
REF_X
7
mA
Operating free-air temperature range, TA
40 to 85
Storage temperature range, Tstg
55 to 150
°C
Junction temperature range, TJ
40 to 125
°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
300
RECOMMENDED OPERATING CONDITIONS
MIN
TYP
MAX
UNIT
Supply voltage, VIN
4.5
28
Supply voltage, VBST1, VBST2
4.5
33
ENBL1, ENBL2, DDR, TRIP1, TRIP2
0.1
28
OUT1_U, OUT2_U
0.8
33
OUT1_U, OUT2_U (with respect to LL )
0.1
5.5
LL1, LL2
0.8
28
V
I/O Voltage
REF_X
0.1
12
V
I/O Voltage
SSTRT1, SSTRT2, COMP1, COMP2
0.1
5.5
SKIP, INV1, INV2
0.1
5.5
PGOOD VO1_VDDQ, VO2
0.1
5.5
OUT1_D, OUT2_D, VREG5
0.1
5.5
Source current
VREG5
60
mA
Source current
REF_X
5
mA
Operating free-air temperature, TA
40
85
°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
DISSIPATION RATING TABLE
PACKAGE
TA < 25°C
POWER RATING
DERATING
FACTOR ABOVE TA = 25°C
TA = 85°C
POWER RATING
30-pin DBT
874 mW
7.0 mW/
°C
454 mW
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