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参数资料
| 型号： | TPS51020DBTRG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 2/28页 |
| 文件大小： | 0K |
| 描述： | IC DUAL DC/DC SYNC CTRLR 30TSSOP |
| 标准包装： | 2,000 |
| 应用： | 控制器，DDR，DDR2 |
| 输入电压： | 4.5 V ~ 28 V |
| 输出数： | 2 |
| 输出电压： | 0.9 V ~ 24 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 30-TFSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 30-TSSOP |
| 包装： | 带卷 (TR) |
| 配用： | 296-18958-ND - EVAL MODULE FOR TPS51020-001 296-17268-ND - EVALUATION MODULE FOR TPS51100 296-12357-ND - EVAL MOD FOR TPS2330-185 |
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TPS51020
SLUS564C ? JULY 2003 ? REVISED OCTOBER 2008
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
VBST1, VBST2 (with respect to LL )
?0.3 to 35
?0.3 to 7
Input voltage range
VIN, TRIP1, TRIP2, ENBL1, ENBL2, DDR
SKIP, INV1, INV2
OUT1_U, OUT2_U
?0.3 to 30
?0.3 to 7
?1 to 35
OUT1_U, OUT2_U (with respect to LL )
LL1, LL2
?0.3 to 7
?1 to 30
V
Ouput voltage range
REF_X
PGOOD, VO1_VDDQ, VO2, OUT1_D, OUT2_D, COMP1, COMP2, VREG5,
SSTRT1, SSTRT2
OUTGND1, OUTGND2
VREG5
?0.3 to 15
?0.3 to 7
?0.3 to 0.3
70
Output current range
REF_X
7
mA
Operating free-air temperature range, TA
?40 to 85
Storage temperature range, Tstg
Junction temperature range, TJ
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
RECOMMENDED OPERATING CONDITIONS
?55 to 150
?40 to 125
300
° C
Supply voltage, VIN
Supply voltage, VBST1, VBST2
ENBL1, ENBL2, DDR, TRIP1, TRIP2
OUT1_U, OUT2_U
OUT1_U, OUT2_U (with respect to LL )
MIN
4.5
4.5
?0.1
?0.8
?0.1
TYP
MAX
28
33
28
33
5.5
UNIT
LL1, LL2
?0.8
28
V
I/O Voltage
REF_X
SSTRT1, SSTRT2, COMP1, COMP2
SKIP, INV1, INV2
PGOOD VO1_VDDQ, VO2
OUT1_D, OUT2_D, VREG5
VREG5
?0.1
?0.1
?0.1
?0.1
?0.1
12
5.5
5.5
5.5
5.5
60
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
30-pin DBT
TA < 25 ° C
POWER RATING
874 mW
DERATING
FACTOR ABOVE TA = 25 ° C
7.0 mW/ ° C
TA = 85 ° C
POWER RATING
454 mW
2
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