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參數(shù)資料
| 型號(hào)： | L6610D |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DIGITALLY PROGRAMMABLE SECONDARY HOUSEKEEPING CONTROLLER |
| 中文描述： | 數(shù)字可編程控制器二次內(nèi)務(wù)管理 |
| 文件頁(yè)數(shù)： | 24/29頁(yè) |
| 文件大?。?/td> | 544K |
| 代理商： | L6610D |
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L6610
24/29
Simply connecting the power supply outputs to the L6610 relevant pins ensures the protection against over/un-
dervoltage in the Main section; the protection against overcurrent can be achieved (for 12V and 5V or 3.3V)
adding a small sense resistor.
A crowbar on the auxiliary output is switched on through DFAULT in case of overvoltage.
The L6610 is supplied by the Auxiliary output; the signals sent to the primary side are:
– a "digital" ON/OFF signal through an optocoupler that drives the relevant pin of primary Main controller
to switch the Main converter ON and OFF;
– two analog signals that provide voltage feedback for both the Auxiliary and the Main section, driving the
primary controller pins responsible for the duty cycle modulation.
In server's SMPS applications, a current sharing system is usually required to allow paralleling of several mod-
ules: the L6615 (ST's Current sharing IC, [1]) does the job providing an interface for this purpose (fig. 25) and
guaranteeing an homogeneous current distribution between the paralleled power supplies.
The voltage drop across the sense resistors for overcurrent detection can be also used whenever current shar-
ing is required for 5V (or 3.3V) and/or 12V: the L6615 has a differential sense amplifier whose inputs can be
connected (through two resistors) at the two sense resistor leads. The share bus, referred to ground, links all
the paralleled power supplies.
REFERENCES
[1] "L6615 - Load share controller" (Datasheet)
Figure 24. Detailed Secondary Side
+5Vaux
+5V
+12V
COM
-5V
+3.3V
-12
3V3
DMON
DFAULT
12V
5V
GND
-5
Bout
Aout
Binv
M-FAULT
Ainv
12Visns
3V3/5Visns
Cout
Cinv
PS-ON
PW-OK
VREF
Vdd
ACsns
GND
FAN
+
-
P
L6610
PROG
-12V
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| L6611 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:DIGITALLY PROGRAMMABLE SECONDARY HOUSEKEEPING CONTROLLER |
| L6611D | 功能描述:IC CTRLR HOUSEKEEPING BCD 20SOIC RoHS:是 類(lèi)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(lèi)型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| L6611DTR | 功能描述:IC CTRLR HOUSEKEEPING 20SOIC RoHS:否 類(lèi)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(lèi)型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
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