参数资料
型号: TPS65073TRSLRQ1
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: POWER SUPPLY SUPPORT CKT, PQCC48
封装: 6 X 6 MM, 0.4 MM PITCH, PLASTIC, QFN-48
文件页数: 55/90页
文件大小: 1375K
代理商: TPS65073TRSLRQ1
www.ti.com
SLVSAP7 – JANUARY 2011
OUTPUT VOLTAGE
B5
B4
B3
B2
B1
B0
[V]
2.750
1
0
2.800
1
0
1
2.850
1
0
1
0
2.900
1
0
1
3.000
1
0
3.100
1
0
1
3.200
1
0
3.300
1
DEFSLEW. Register Address: 15h
DEFSLEW
B7
B6
B5
B4
B3
B2
B1
BO
Bit name and function
SLEW2
SLEW1
SLEW0
Default
0
1
0
Default value loaded by:
UVLO
Read/write
R
R/W
The DEFSLEW register defines the slew rate of the output voltage for DCDC2 and DCDC3 in case the voltage is
changed during operation. In case Bit “LDO2 tracking“ in register DEFLDO2 is set, this is also valid for LDO2.
When the voltage change is initiated by toggling pin DEFDCDC2 or DEFDCDC3, the start of the voltage change
is triggered by the rising or falling edge of the DEFDCDC2 or DEFDCDC3 pin. If a voltage change is done
internally
be
re-programming
register
DEFDCDC2_LOW,
DEFDCDC2_HIGH,
DEFDCDC3_LOW
or
DEFDCDC3_HIGH, the voltage change is initiated immediately after the new value has been written to the
register with the slew rate defined.
SLEW2 SLEW SLEW
VDCDC3
1
0
SLEW RATE
0
0.11 mV/ms
0
1
0.22 mV/ms
0
1
0
0.45 mV/ms
0
1
0.9 mV/ms
1
0
1.8 mV/ms
1
0
1
3.6 mV/ms
1
0
7.2 mV/ms
1
Immediate
Copyright 2011, Texas Instruments Incorporated
59
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