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参数资料
| 型号： | L6711TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, 178 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封装： | 7 X 7 MM, 1 MM HEIGHT, TQFP-48 |
| 文件页数： | 2/50页 |
| 文件大小： | 679K |
| 代理商： | L6711TR |
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Pins description and connection diagrams
L6711
10/50
23, 24
to 28
VID5,
VID0-4
Voltage IDentification pins.
Internally pulled-up to 3V, connect to SGND to program a logic ‘0’ while leave floating (as well
as pull-up with a resistor up to 3.3V) to program a logic ‘1’.
VID_SEL and to set the OVP/UVP protection thresholds accordingly.
See relevant section for details about DAC selection.
29
VID_SEL
VID_SELect pin. Through this pin it is possible to select the DAC table used for the regulation.
Leave floating to use a VRD10.x compliant DAC (See Table 1) while short to SGND to use a
VRM-Hammer compliant DAC (See Table 3).
See relevant section for details about DAC selection.
30
SS_END
Soft start end signal. It is an open collector output, set free after finishing the soft start.
Pull-up with a resistor to a voltage lower than 5V, if not used may be left floating.
31
SGND
All the internal references are referred to this pin. Connect it to the PCB signal ground.
32
PHASE3
Channel 3 HS driver return path. It must be connected to the HS3 mosfet source and provides
the return path for the HS driver of channel 3.
33
UGATE3
Channel 3 HS driver output.
A little series resistor helps in reducing device-dissipated power.
34
BOOT3
Channel 3 HS driver supply. This pin supplies the relative high side driver.
Connect through a capacitor (100nF Typ.) to the PHASE3 pin and through a diode to VCC
(cathode vs. boot).
35
PGND3
Channel 3 LS driver return path.
Connect to Power Ground Plane.
36
LGATE3
Channel 3 LS driver output.
A little series resistor helps in reducing device-dissipated power.
37
N.C.
Not internally connected.
38
VCCDR3
Channel 3 LS driver supply: it can be varied from 5V to 12V buses.
It must be connected together with other VCCDRx pins.
Filter locally with at least 1
F ceramic cap vs. PGND3.
39
PGND2
Channel 2 LS driver return path.
Connect to Power Ground Plane.
40
LGATE2
Channel 2 LS driver output.
A little series resistor helps in reducing device-dissipated power.
41
VCCDR2
Channel 2 LS driver supply: it can be varied from 5V to 12V buses.
It must be connected together with other VCCDRx pins.
Filter locally with at least 1
F ceramic cap vs. PGND2.
42
PHASE2
Channel 2 HS driver return path. It must be connected to the HS2 mosfet source and provides
the return path for the HS driver of channel 2.
43
UGATE2
Channel 2 HS driver output.
A little series resistor helps in reducing device-dissipated power.
44
BOOT2
Channel 2 HS driver supply. This pin supplies the relative high side driver.
Connect through a capacitor (100nF Typ.) to the PHASE2 pin and through a diode to VCC
(cathode vs. boot).
Table 1.
Pins description (continued)
N°
Name
Description
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PDF描述 |
|---|---|
| L6711 | 2 A SWITCHING CONTROLLER, 178 kHz SWITCHING FREQ-MAX, PQFP48 |
| L6714TR | SWITCHING CONTROLLER, 170 kHz SWITCHING FREQ-MAX, PQFP64 |
| L6714 | SWITCHING CONTROLLER, 170 kHz SWITCHING FREQ-MAX, PQFP64 |
| L6725TR | 20 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| L6728ATR | SWITCHING CONTROLLER, 660 kHz SWITCHING FREQ-MAX, PDSO10 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| L6712 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
| L6712_05 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
| L6712A | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
| L6712AD | 功能描述:开关变换器、稳压器与控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| L6712ADTR | 功能描述:开关变换器、稳压器与控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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