參數(shù)資料
型號： L6918D
廠商： 意法半導體
英文描述： 5 BIT PROGRAMMABLE MULTIPHASE CONTROLLER
中文描述： 5位可編程多相控制器
文件頁數(shù)： 3/35頁
文件大?。?/td> 760K
代理商： L6918D
3/35
L6918 L6918A
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
Symbol
Vcc, V
CCDR
V
BOOT
-V
PHASE
V
UGATE1
-V
PHASE1
V
UGATE2
-V
PHASE2
Parameter
Value
15
15
15
Unit
V
V
V
To PGND
Boot Voltage
LGATE1, PHASE1, LGATE2, PHASE2 to PGND
VID0 to VID4
All other pins to PGND
Sustainable Peak Voltage t<20nS @ 600kHz
-0.3 to Vcc+0.3
-0.3 to 5
-0.3 to 7
26
V
V
V
V
V
PHASEx
Symbol
R
th j-amb
T
max
T
storage
T
j
P
MAX
Parameter
Value
60
150
Unit
°
C / W
°
C
°
C
°
C
W
Thermal Resistance Junction to Ambient
Maximum junction temperature
Storage temperature range
Junction Temperature Range
Max power dissipation at Tamb=25
°
C
-40 to 150
0 to 125
2
L6918A (MASTER) PIN FUNCTION
N.
Name
1
LGATE1
2
VCCDR
3
PHASE1
Description
Channel 1 low side gate driver output.
LS Mosfet driver supply. 5V or 12V buses can be used.
This pin is connected to the Source of the upper mosfet and provides the return path for the
high side driver of channel 1.
Channel 1 high side gate driver output.
Channel 1 bootstrap capacitor pin. This pin supplies the high side driver. Connect through a
capacitor to the PHASE1 pin and through a diode to Vcc (cathode vs. boot).
Device supply voltage. The operative supply voltage is 12V.
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
voltage 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 Over Current threshold). Connecting a resistor R
FB
between
this pin and VSEN pin allows programming the droop effect.
Reference voltage output used for voltage regulation.
This pin must be connected together with the slave device VPROG_IN pin.
Filter to SGND with 1nF capacitor (a total 30nF distributed capacitance is allowed).
Synchronization output signal. From this pin exits a square - 50% duty cycle - 5Vpp –90 deg
phase shifted wave clock signal that the Slave device PLL locks to.
Connect this pin to the Slave SYNC_IN pin.
Open-drain input/output used for start-up and to manage protections as shown in the timing
diagram. Internally pulled-up. Connect together with other IC’s SLAVE_OK pin. Filter with 1nF
capacitor vs. SGND.
4
5
UGATE1
BOOT1
6
7
8
VCC
GND
COMP
9
FB
10
VPROG_OUT
11
SYNC_OUT
12
SLAVE_OK
相關(guān)PDF資料
PDF描述
L6918DTR 5 BIT PROGRAMMABLE MULTIPHASE CONTROLLER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6918DTR 功能描述:DC/DC 開關(guān)控制器 Prog Multi-Phase Cnt RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
L6919 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
L6919C 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER WITH DYNAMIC VID MANAGEMENT
L6919CD 功能描述:DC/DC 開關(guān)控制器 Prog Dual-Phase Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
L6919CDTR 功能描述:DC/DC 開關(guān)控制器 Prog Dual-Phase Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
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