参数资料
型号: ADM1041AARQZ
厂商: Analog Devices Inc
文件页数: 40/56页
文件大小: 0K
描述: IC SECONDARY SIDE CTRLR 24QSOP
产品变化通告: Product Discontinuance 27/Oct/2011
标准包装: 56
应用: 次级侧控制器
电源电压: 4.5 V ~ 5.5 V
电流 - 电源: 6mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-QSOP
包装: 管件
配用: ADM1041-EVAL-ND - BOARD EVALUATION ADM1041
ADM1041A
Bit No.
Name
R/W
Description
1–0
Load OV Recover
R/W
b1 b0
Function
0 0
0 1
1 0
1 1
Add 100 μs delay
Add 200 μs delay
Add 300 μs delay
Add 400 μs delay
Table 13. Register 04h, Current-Sense CC. Power-On Default from EEPROM Register 8104h During Power-Up
Bit No.
7–3
Name
Current-Limit Trim
R/W
R/W
Description
This register contains the current-sense trim level setting at which current limiting starts. Five
bits. Setting all bits to 1 results in maximum current limit (130%).
2
1–0
Reserved
Share OK Threshold
R/W
R/W
Don’t Care. This should be set to “0” for normal operation.
b1 b0 Function
0 0 ±100 mV
0 1 ±200 mV
1 0 ±300 mV
1 1 ±400 mV
Table 14. Register 05h, Current Share Offset. Power-On Default from EEPROM Register 8105h During Power-Up
Bit No.
7–0
Name
Current Share Offset
R/W
R/W
Description
This register contains the current-share offset trim level. Writing 00h corresponds to the
minimum offset. FFh corresponds to maximum offset. See the Current Limit Error Amplifier
section in the Table 1 for more information.
Table 15. Register 06h, Current Share Slop e. Power-On Default from EEPROM Register 8106h During Power-Up
Bit No.
7–1
Name
Current Share Slope
R/W
R/W
Description
This register contains current share slope trim level. Increasing this results in a steeper slope
for the current share. This register is normally written to during the user calibration. It is used
with Reg15h for trimming the current share.
0
Reserved
R/W
Don’t Care.
Table 16. Register 07h, EEPROM_lock. Power-On Default from EEPROM Register 8107h During Power-Up
Bit No.
7
Name
Reserved
R/W
R/W
Description
Don’t Care
6
5
4
3
2
1
0
Lock6
Lock5
Lock4
Lock3
Lock2
Lock1
Lock0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Locks 8140h–817Fh
Locks 8120h–813Fh
Locks 8100h–811Fh
Locks 80C0h–80FFh
Locks 8080h–80BFh
Locks 8040h–807Fh
Locks 8000h–803Fh
Available FRU.
ADI cal registers, locked by manufacturer.
ADM1041A configuration boot registers.
Available FRU.
Available FRU.
Available FRU.
Available FRU.
Table 17. Register 08h, Load OV Fine. Power-On Default from EEPROM Register 8108h During Power-Up
Bit No.
7–0
Name
Load OV Trim
R/W
R/W
Description
Load OV Trim. This range is programmable from 105% to 120% of the nominal load voltage. 00h
corresponds to 105%. Each LSB results in an increase of 1.6 mV.
Table 18. Register 09h, Local UVP Trim. Power-On Default from EEPROM Register 8109h During Power-Up
Bit No.
7–0
Name
local_uvp
R/W
R/W
Description
This register contains the local undervoltage settings. This can be programmed from 1.3 V to
2.1 V when the nominal voltage is 2 V. Each LSB increases the UV clamp setting by 3.1 mV. See
the Local Overvoltage specifications in Table 1.
Rev. 0 | Page 40 of 56
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