參數(shù)資料
型號(hào)： TPS65055RSMR
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1.8 A DUAL SWITCHING CONTROLLER, 2475 kHz SWITCHING FREQ-MAX, PQCC32
封裝： 4 X 4 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù)： 24/41頁
文件大?。?/td> 1276K
代理商： TPS65055RSMR
SLVS844 – SEPTEMBER 2008.......................................................................................................................................................................................... www.ti.com
LDO4
LDO3
LDO4[2]
LDO4[1]
LDO4[0]
LDO3[2]
LDO3[1]
LDO3[0]
OUTPUT
VOLTAGE
0
1.0 V
0
0.8V
0
1
1.2 V
0
1
1.0 V
0
1
0
1.3 V
0
1
0
1.2 V
0
1
1.8 V
0
1
1.5 V
1
0
2.6 V
1
0
1.8 V
1
0
1
2.7 V
1
0
1
2.1 V
1
0
2.8 V
1
0
2.5 V
1
3.0 V
1
2.8 V
DEFDCDC1. Register Address: 0Ah (r/w)
Default Value: set with DEFLDO1, DEFLDO2
DEFDCDC1
B7
B6
B5
B4
B3
B2
B1
BO
Bit name and function
DCDC1[5]
DCDC1[4]
DCDC1[3]
DCDC1[2]
DCDC1[1]
DCDC1[0]
Default
0
DEFLDO pins
DEFLDO
pins
Default value loaded by:
UVLO
Read/write
R
R/W
Per default the DCDC1 converter is internally adjustable and the default output voltage for DCDC1 (bits B0 to
B5) depends on the status of the DEFLDO pins – see section Default Voltage Setting for LDOs and DCDC1. The
status of the DEFLDO pins is latched after the undervoltage lockout threshold is exceeded, so the voltage can be
changed by reprogramming the register content.
DCDC1 voltage is listed in the following table.
OUTPUT VOLTAGE
B5
B4
B3
B2
B1
B0
[V]
0
0.800
0
1
0.825
0
1
2
0.850
0
1
0
3
0.875
0
1
4
0.900
0
1
0
5
0.925
0
1
0
1
6
0.950
0
1
0
7
0.975
0
1
8
1.000
0
1
0
9
1.025
0
1
0
1
10
1.050
0
1
0
1
0
11
1.075
0
1
0
1
12
1.100
0
1
0
13
1.125
0
1
0
1
14
1.150
0
1
0
15
1.175
0
1
16
1.200
0
1
0
17
1.225
0
1
0
1
18
1.250
0
1
0
1
0
19
1.275
0
1
0
1
20
1.300
0
1
0
1
0
21
1.325
0
1
0
1
0
1
22
1.350
0
1
0
1
0
23
1.375
0
1
0
1
30
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS65055
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