參數(shù)資料
型號(hào)： LT3506IDHD#TR
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 3.6 A SWITCHING REGULATOR, 650 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 5 X 4 MM, PLASTIC, MO-229WJGD-2, DFN-16
文件頁(yè)數(shù)： 10/24頁(yè)
文件大?。?/td> 210K
代理商： LT3506IDHD#TR
LT3506/LT3506A
18
3506afc
Single, Low-Ripple 3.2A Output
The LT3506 can generate a single, low-ripple 3.2A output
if the outputs of the two switching regulators are tied
together and share a single output capacitor. By tying the
two FB pins together and the two VC pins together, the
two channels will share the load current. There are several
advantages to this two-phase buck regulator. Ripple cur-
rents at the input and output are reduced, reducing volt-
age ripple and allowing the use of smaller, less expensive
capacitors. Although two inductors are required, each will
be smaller than the inductor required for a single-phase
regulator. This may be important when there are tight
height restrictions on the circuit. The Typical Applications
section shows circuits with maximum heights of 1.4mm,
1.8mm and 2.1mm.
There is one special consideration regarding the two phase
circuit. When the difference between the input voltage and
output voltage is less than 2.5V, then the boost circuits may
prevent the two channels from properly sharing current.
If, for example, channel 1 gets started rst, it can supply
the load current, while channel 2 never switches enough
current to get its boost capacitor charged. In this case,
channel 1 will supply the load until it reaches current limit,
the output voltage drops, and channel 2 gets started. The
solution is to generate a boost supply generated from
either SW pin that will service both BOOST pins. The low
prole, single output 5V to 3.3V converter shown in the
Typical Applications section shows how to do this.
Other Linear Technology Publications
Application Notes 19, 35 and 44 contain more detailed
descriptions and design information for buck regulators
and other switching regulators. The LT1376 data sheet
has a more extensive discussion of output ripple, loop
compensation and stability testing. Design Note 100
shows how to generate a dual (+ and –) output supply
using a buck regulator.
APPLICATIONS INFORMATION
相關(guān)PDF資料
PDF描述
LT3506IDHD 3.6 A SWITCHING REGULATOR, 650 kHz SWITCHING FREQ-MAX, PDSO16
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT3506IDHD-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Monolithic 1.6A Step-Down Switching Regulator
LT3506IFE 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Monolithic 1.6A Step-Down Switching Regulator
LT3506IFE#PBF 功能描述:IC REG BUCK ADJ 1.6A DL 16TSSOP RoHS:是 類別: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:- 類型:升壓（升壓） 輸出類型: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:AS1323-BTTT-30CT
LT3506IFE#TRPBF 功能描述:IC REG BUCK ADJ 1.6A DL 16TSSOP RoHS:是 類別: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:- 類型:升壓（升壓） 輸出類型: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:AS1323-BTTT-30CT
LT3506IFE-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Monolithic 1.6A Step-Down Switching Regulator
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