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參數(shù)資料
型號： ADM1041ARQ-REEL
廠商： ANALOG DEVICES INC
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Secondary-Side Controller with Current Share and Housekeeping
中文描述： SPECIALTY TELECOM CIRCUIT, PDSO24
封裝： MO-137AE, QSOP-24
文件頁數(shù)： 19/64頁
文件大小： 1063K
代理商： ADM1041ARQ-REEL
ADM1041
THEORY OF OPERATION
POWER MANAGEMENT
This block contains V
DD
undervoltage lockout circuitry and a
power-on/reset function. It also provides precision references
for internal use and a buffered reference voltage, V
REF
. If V
REF
is
configured to an output pin, overloading, shorting to ground, or
shorting to V
DD
do not effect the internal references. See Figure 8.
Rev. A | Page 19 of 64
During power-on, V
REF
does not come up until V
DD
exceeds the
upper UVL threshold. Housekeeping functions in this block
include reference voltage monitors, V
DD
overvoltage, and a
ground fault detector.
The ground fault detector monitors ADM1041 ground with
respect to the remote sense pin V
S
. If GND becomes positive
with respect to V
S
an on-chip signal, V
DD
OK, goes false. V
DD
OK
is true only when all the following conditions are met: ground is
negative with respect to V
S
, INTREF and EXTREF are operating
normally, V
DD
> UVLHI, and V
DD
< V
DD
OVP threshold.
GAIN TRIMMING AND CONFIGURATION
The various gain settings and configurations throughout the
ADM1041 are digitally set up via the SMBus after it has been
loaded onto its printed circuit board. There is no need for
external trim potentiometers. An initial adjustment process
should be carried out in a test system. Other adjustments such
as current sense and voltage calibration should be carried out in
the completed power supply.
POR
RESET
V
DD
OK
V
DD
OV
1.25V
2.5V
UVLLO
UVLHI
OVP
GNDOK
GROUND
MONITOR
10
μ
s–20
μ
s
6.0V–6.5V
4.4V
4.0V
2.0V
V
REF
V
DD
V
S
–
GND
0.2V
AUXILIARY
REFERENCE
EXTREFOK
REFERENCE
MONITOR
INTREFOK
INTERNAL
REFERENCE
gndok_dis
MAIN
BAND GAP
7
20
1
18
S
Q
R
Q
S
R
Q
0
Figure 8. Block Diagram of Power Management Section
相關(guān)PDF資料
PDF描述
ADM1041ARQ-REEL7 Secondary-Side Controller with Current Share and Housekeeping
ADM1041 Secondary-Side Controller with Current Share and Housekeeping
ADM1041ARQ Secondary-Side Controller with Current Share and Housekeeping
ADM1041A Secondary-Side Controller with Current Share and Housekeeping
ADM1041AARQZ Secondary-Side Controller with Current Share and Housekeeping
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADM1041ARQ-REEL7 功能描述:IC PWR SUP MON/LOAD SHARE 24QSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
ADM1041ARQZ 功能描述:IC PWR SUPP MON/LOAD SHAR 24QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
ADM1041ARQZ-REEL 功能描述:IC SECONDARY SIDE CTRLR 24QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
ADM1041ARQZ-REEL7 功能描述:IC SECONDARY SIDE CTRLR 24QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
ADM1041ARQZ-RL7 功能描述:IC SECONDARY SIDE CTRLR 24QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
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