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參數(shù)資料
| 型號： | LTC3528EDDB-2#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 3 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WECD-1, DFN-8 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 0K |
| 代理商： | LTC3528EDDB-2#TRPBF |
LTC3528-2
11
35282fa
OPERATION (Refer to Block Diagram)
when switching between modes. In Burst Mode opera-
tion, energy is delivered to the output until it reaches the
nominalregulatedvalue,thentheLTC3528-2transitionsto
sleep mode where the outputs are off and the LTC3528–2
consumesonly12AofquiescentcurrentfromVOUT.Once
theoutputvoltagehasdroopedslightly,switchingresumes
again. This maximizes efficiency at very light loads by
minimizing switching and quiescent current losses. Burst
Mode output ripple, which is typically 1% peak-to-peak,
can be reduced by using more output capacitance (10F
or greater).
Astheloadcurrentincreases,theLTC3528-2automatically
leaves Burst Mode operation. Note that larger output ca-
pacitor values may cause this transition to occur at lighter
loads. The regulator will also leave Burst Mode operation if
a load transient occurs which causes the inductor current
to repeatedly reach current limit. Once the LTC3528-2 has
left Burst Mode operation and returned to normal opera-
tion, it will remain there until the output load is reduced
below the Burst threshold.
Burst Mode operation is inhibited during start-up and
until soft-start is done and VOUT is at least 0.24V greater
than VIN.
Single Cell to 5V Step-Up Applications
Due to the high inductor current slew rate in applications
boosting to 5V from a single cell (alkaline, NiCd or NiMH),
the LTC3528-2 may not enter Burst Mode operation at in-
put voltages below 1.5V. For single cell to 5V applications
requiring Burst Mode operation, the 1MHz LTC3528 is
recommended. Refer to the Typical Performance Charac-
teristics for the Burst Mode thresholds for different input
and output voltages.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3528EDDB-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1A, 1MHz Synchronous Step-Up DC/DC Converters in 3mm × 2mm DFN |
| LTC3528EDDB-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1A, 1MHz Synchronous Step-Up DC/DC Converters in 3mm × 2mm DFN |
| LTC3529EDCB#PBF | 制造商:Linear Technology 功能描述:IC SYNC STEP-UP DC/DC CONVERTER DFN-8 制造商:Linear Technology 功能描述:DP-SWREG/Monolithic, Cut Tape 1.5A, 2.35MHz Step-Up DC/DC Converter in 2mm x 3mm 制造商:Linear Technology 功能描述:IC, SYNC STEP-UP DC/DC CONVERTER, DFN-8, Primary Input Voltage:5.25V, No. of Outputs:1, Output Voltage:5V, Output Current:500mA, No. of Pins:8, Operating Temperature Min:-40C, Operating Temperature Max:85C, MSL:MSL 1 - Unlimited , RoHS Compliant: Yes |
| LTC3529EDCB#TRMPBF | 功能描述:IC REG BOOST SYNC 5V 1.5A 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 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:6-UFDFN 包裝:帶卷 (TR) 供應商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LTC3529EDCB#TRPBF | 功能描述:IC REG BOOST SYNC 5V 1.5A 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應商設(shè)備封裝:8-SOIC |
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