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參數(shù)資料
| 型號(hào)： | L6712AQ |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
| 中文描述： | 兩相交錯(cuò)DC / DC控制器 |
| 文件頁數(shù)： | 5/27頁 |
| 文件大?。?/td> | 1074K |
| 代理商： | L6712AQ |
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5/27
L6712A L6712
PIN FUNCTION
N. (*)
Name
Description
SO
1
VFQFPN
33
LGATE1
Channel 1 LS driver output.
A little series resistor helps in reducing device-dissipated power.
LS drivers supply: it can be varied from 5V to 12V buses.
Filter locally with at least 1
μ
F ceramic cap vs. PGND.
Channel 1 HS driver return path. It must be connected to the HS1 mosfet source
and provides the return path for the HS driver of channel 1.
Channel 1 HS driver output.
A little series resistor helps in reducing device-dissipated power.
Channel 1 HS driver supply. This pin supplies the relative high side driver.
Connect through a capacitor (100nF typ.) to the PHASE1 pin and through a diode
to VCC (cathode vs. boot).
Device supply voltage. The operative supply voltage is 12V ±10%.
Filter with 1
μ
F (Typ.) capacitor vs. GND.
All the internal references are referred to this pin. Connect it to the PCB signal
ground.
This pin is connected to the error amplifier output and is used to compensate the
control feedback loop.
This pin is connected to the error amplifier inverting input and is used to
compensate the control feedback loop.
A current proportional to the sum of the current sensed in both channel is
sourced from this pin (50
μ
A at full load, 70
μ
A at the Constant Current threshold).
Short to FB to implement the Droop effect: the resistor connected between FB
and VSEN (or the regulated output) allows programming the droop effect.
Otherwise, connect to GND directly or through a resistor (43k
max) and filter
with 1nF capacitor. In this last case, current information can be used for other
purposes.
Reference input/output. Filter vs. GND with 1nF ceramic capacitor (a total of
100nF capacitor is allowed).
It reproduces the reference used for the regulation following VID code: when
VID=111, the reference for the regulation must be connected on this pin.
References ranging from 0.800V up to 3.300V can be accepted.
Connected to the output voltage it is able to manage Over & Under-voltage
conditions and the PGOOD signal. It is internally connected with the output of the
Remote Sense Amplifier for Remote Sense of the regulated voltage.
Connecting 1nF capacitor max vs. GND can help in reducing noise injection at
this pin.
If no Remote Sense is implemented, connect it directly to the regulated voltage in
order to manage OVP, UVP and PGOOD.
Channel 1 current sense pin. The output current may be sensed across a sense
resistor or across the low-side mosfet R
dsON.
This pin has to be connected to the
low-side mosfet drain or to the sense resistor through a resistor Rg.
The net connecting the pin to the sense point must be routed as close as
possible to the PGNDS net in order to couple in common mode any picked-up
noise.
Channel 1 Power Ground sense pin. The net connecting the pin to the sense
point must be routed as close as possible to the ISEN1 net in order to couple in
common mode any picked-up noise.
Channel 2 Power Ground sense pin. The net connecting the pin to the sense
point must be routed as close as possible to the ISEN2 net in order to couple in
common mode any picked-up noise.
2
34
VCCDR
3
35
PHASE1
4
36
UGATE1
5
2
BOOT1
6
4
VCC
7
5,6
SGND
8
7
COMP
9
8
FB
10
9
DROOP
11
11
REF_IN /
OUT
12
12
VSEN
13
13
ISEN1
14
14
PGNDS1
15
15
PGNDS2
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| L6712AQTR | TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
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| L6712DTR | TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
| L6712Q | TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6712AQTR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712D | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712DTR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712Q | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712QTR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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