參數(shù)資料
型號(hào)： LTC3614IUDD#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 10.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC24
封裝： 3 X 5 MM, LEAD FREE, PLASTIC, QFN-24
文件頁(yè)數(shù)： 14/30頁(yè)
文件大小： 438K
代理商： LTC3614IUDD#PBF
LTC3614
21
3614fa
Figure 7a. Setup for Coincident Tracking
Figure 7b. Setup for Ratiometric Tracking
VFB2
R4
R2
R4
R2
R3
R2
R4 ≤ R3
VOUT2
VOUT1
LTC3614
TRACK/SS2
VFB1
VIN
LTC3614
LTC3614 CHANNEL 2
SLAVE
LTC3614 CHANNEL 1
MASTER
TRACK/SS1
3614 F07a
VFB2
R1
R2
R5
R6
R3 R1/R2 < R5/R6
R4
VOUT2
VOUT1
LTC3614
TRACK/SS2
VFB1
VIN
3614 F07b
LTC3614
LTC3614 CHANNEL 2
SLAVE
LTC3614 CHANNEL 1
MASTER
TRACK/SS1
To implement the coincident tracking behavior in Fig-
ure 6a, connect an extra resistive divider to the output
of the master channel and connect its midpoint to the
TRACK/SS pin for the slave channel. The ratio of this
divider should be selected to be the same as that of the
slave channel’s feedback divider (Figure 7a). In this track-
ing mode, the master channel’s output must be set higher
than slave channel’s output. To implement the ratiometric
tracking behavior in Figure 6b, different resistor divider
values must be used as specied in Figure 7b.
For coincident start-up, the voltage value at the TRACK/SS
pin for the slave channel needs to reach the nal reference
value after the internal soft-start time (around 1ms). The
master start-up time needs to be adjusted with an external
capacitor and resistor to ensure this.
External Reference Input (DDR Mode)
If the DDR pin is tied to SVIN (DDR mode), the run state
is entered when VTRACK/SS exceeds 0.3V and tracking
down behavior is possible if the VTRACK/SS voltage is
below 0.6V.
This allows TRACK/SS to be used as an external reference
between 0.3V and 0.6V if desired. During the run state in
DDR mode, the power good window moves in relation
to the actual TRACK/SS pin voltage if the voltage value
is between 0.3V and 0.6V. Note: if TRACK/SS voltage is
0.6V, either the tracking circuit or the internal reference
can be used.
During up/down tracking the output current foldback is
disabled and the PGOOD pin is always pulled down (see
Figure 9).
APPLICATIONS INFORMATION
相關(guān)PDF資料
PDF描述
LTC3614EUDD#PBF 10.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC24
LTC3615EFE-1#TRPBF SWITCHING REGULATOR, PDSO24
LTC3615IUF-1#PBF SWITCHING REGULATOR, PQCC24
LTC3615EUF#PBF SWITCHING REGULATOR, PQCC24
LTC3615EFE#PBF SWITCHING REGULATOR, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3614MPUDD#PBF 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 4A 24QFN
LTC3614MPUDD#TRPBF 制造商:Linear Technology 功能描述:IC REG BUCK SYNC ADJ 4A 24QFN
LTC3615EFE#PBF 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:升壓（升壓） 輸出類(lèi)型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開(kāi)關(guān):- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱(chēng):AS1323-BTTT-30CT
LTC3615EFE#TRPBF 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:升壓（升壓） 輸出類(lèi)型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開(kāi)關(guān):- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱(chēng):AS1323-BTTT-30CT
LTC3615EFE-1#PBF 功能描述:IC REG BUCK SYNC ADJ 3A 24TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)穩(wěn)壓器 系列:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:升壓（升壓） 輸出類(lèi)型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開(kāi)關(guān):- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱(chēng):AS1323-BTTT-30CT
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