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| 型號(hào)： | 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)： | 16/64頁 |
| 文件大小： | 1063K |
| 代理商： | ADM1041ARQ-REEL |
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ADM1041
Pin No.
21
Rev. A | Page 16 of 64
Mnemonic
V
S
+
Description
This pin is the positive remote load voltage sense input and is normally divided down from the power
supply output voltage to 2.0 V at no load using an external voltage divider. The input impedance is
high.
Output of the Current Share Transconductance Error Amplifier. Compensation is a series capacitor and
resistor to ground. While V
DD
is normal and PEN is false, this pin is clamped to ground. When the
converter is enabled (PEN true) and the clamp is released, the compensation capacitor charges
providing a slow walk-in. The error amplifier input has a built-in bias so that all slaves in a parallel
supply system do not compete with the master for control of the share bus.
Current Share Sense. This is the noninverting input of a differential sense amplifier looking at the
voltage on the share bus. For testing purposes, this pin is normally connected to SHRO. Calibration
always expects this pin to be at 2.0 V with respect to SHRS–/V
S
–. If a higher share voltage is required, a
resistor divider from SHRO or an additional gain stage, as shown in the application notes, must be
used.
Current Share Output. This output is capable of driving the share bus of several power supplies
between 0 V and V
DD
– 0.4 V (10 k bus pull-down in each supply). Where a higher share bus voltage is
required, an external amplifier is necessary. The current share output from the supply which, when
bused with the share output of other power supplies working in parallel, allows each of the supplies
to contribute essentially equal currents to the load.
22
SCMP
23
SHRS+
24
SHRO
Table 4. Default Pin States during EEPROM Download
Pin No.
Mnemonic
11
CBD
State
High impedance (Hi-Z) at power-up and until the end of the EEPROM download (approximately 20 ms).
This pin is reconfigured at the end of the EEPROM download.
High impedance (Hi-Z) at power-up and until the end of the EEPROM download (approximately 20 ms).
This pin is reconfigured at the end of the EEPROM download.
Active low (low if DC_OK true) at power-up.
This pin is reconfigured during the EEPROM download.
Active low (low if DC_OK true) at power-up.
This pin is reconfigured during the EEPROM download.
High impedance (Hi-Z) at power-up and until the end of the EEPROM download (approximately 20 ms).
This pin is reconfigured at the end of the EEPROM download.
12
PEN
17
DC_OK
18
AC_OK
19
F
G
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| 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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