零件型號(hào) | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
---|---|---|---|---|
TPS61240 | 2.3V 至 5.5V 輸入范圍、3.5MHz 固定頻率 450mA 升壓轉(zhuǎn)換器; ? Efficiency > 90% at Nominal Operating Conditions\n? Total DC Output Voltage Accuracy 5.0 V±2%\n? Typical 30-μA Quiescent Current\n? Best in Class Line and Load Transient\n? Wide VIN Range From 2.3 V to 5.5 V\n? Output Current up to 450 mA\n? Automatic PFM/PWM Mode Transition\n? Low Ripple Power Save Mode for Improved Efficiency at Light Loads\n? Internal Softstart, 250-μs Typical Start-Up Time\n? 3.5-MHz Typical Operating Frequency\n? Load Disconnect During Shutdown\n? Current Overload and Thermal Shutdown Protection\n? Three Surface-Mount External Components Required (One MLCC Inductor, Two Ceramic Capacitors)\n? Total Solution Size 2 \n? Available in a 6-Pin DSBGA and 2-mm × 2-mm WSON Package; The TPS6124x device is a highly efficient synchronous step-up DC-DC converter optimized for products powered by either a three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-Polymer battery. The TPS6124x supports output currents up to 450 mA. The TPS61240 has an input valley current limit of 500 mA, and the TPS61241 has an input valley current of 600 mA.With an input voltage range of 2.3 V to 5.5 V, the device supports batteries with extended voltage range and are ideal to power portable applications like mobile phones and other portable equipment. The TPS6124x boost converter is based on a quasi-constant on-time valley current mode control scheme.The TPS6124x presents a high impedance at the VOUT pin when shut down. This allows for use in applications that require the regulated output bus to be driven by another supply while the TPS6124x is shut down.During light loads the device will automatically pulse skip allowing maximum efficiency at lowest quiescent currents. In the shutdown mode, the current consumption is reduced to less than 1 μA.TPS6124x allows the use of small inductors and capacitors to achieve a small solution size. During shutdown, the load is completely disconnected from the battery. The TPS6124x is available in a 6-pin DSBGA and 2-mm × 2-mm WSON package. | TITexas Instruments 德州儀器美國(guó)德州儀器公司 | TI | |
TPS61240 | 3.5-MHz High Efficiency Step-Up Converter | TITexas Instruments 德州儀器美國(guó)德州儀器公司 | TI | |
TPS61240 | 3.5-MHz High Efficiency Step-Up Converter | TI1Texas Instruments 德州儀器美國(guó)德州儀器公司 | TI1 | |
符合 AEC-Q100 標(biāo)準(zhǔn)的 2.3V 至 5.5V 輸入范圍、3.5MHz 固定頻率、450mA 升壓轉(zhuǎn)換器; ? 符合汽車應(yīng)用 要求\n? 具有符合 AEC-Q100 標(biāo)準(zhǔn)的下列結(jié)果: \n? 器件溫度等級(jí) \n? TPS61240IDRVRQ1:3 級(jí),–40°C 至 +85°C 環(huán)境工作溫度\n? TPS61240TDRVRQ1:2 級(jí),–40°C 至 +105°C 環(huán)境工作溫度\n \n? 器件 HBM ESD 分類等級(jí) 2\n? 器件 CDM ESD 分類等級(jí) C6\n \n? 在標(biāo)準(zhǔn)工作環(huán)境下效率高于 90%\n? 直流輸出電壓總精度為 5V ± 2%\n? 30μA 典型靜態(tài)電流 \n? 業(yè)界領(lǐng)先的線路和負(fù)載瞬態(tài)\n? 2.3V 至 5.5V 的寬輸入電壓范圍\n? 高達(dá) 450mA 的輸出電流\n? 自動(dòng) PFM/PWM 模式轉(zhuǎn)換\n? 低紋波省電模式,可提高輕載效率\n? 內(nèi)部軟啟動(dòng),啟動(dòng)時(shí)間典型值達(dá) 250μs\n? 3.5MHz 典型工作頻率 \n? 停機(jī)期間負(fù)載斷開\n? 電流過載和熱關(guān)斷保護(hù)\n? 僅需 3 個(gè)表面貼裝外部組件(1 個(gè) MLCC 電感器和 2 個(gè)陶瓷電容器)\n? 解決方案總尺寸小于 13mm2 \n? 采用 2mm × 2mm WSON 封裝; TPS61240-Q1 器件是一款高效同步升壓直流/直流轉(zhuǎn)換器,經(jīng)過優(yōu)化,可用于由三節(jié)堿性/鎳鎘/鎳氫電池或單節(jié)鋰離子/鋰聚合物電池供電的產(chǎn)品。TPS61240-Q1 支持高達(dá) 450mA 的輸出電流。TPS61240-Q1 的輸入谷值電流限值為 500mA。\n\nTPS61240-Q1 器件可在 2.3V 至 5.5V 的輸入電壓范圍內(nèi)提供 5V(典型值)固定輸出電壓,而且支持具有更大電壓范圍的電池。停機(jī)期間,負(fù)載與電池完全斷開。TPS61240-Q1 升壓轉(zhuǎn)換器基于準(zhǔn)恒定導(dǎo)通時(shí)間谷值電流模式控制方案。\n\n關(guān)斷時(shí),TPS61240-Q1 在輸出電壓引腳處呈現(xiàn)高阻抗。因此,該器件適用于在 TPS61240-Q1 關(guān)斷時(shí) 需要由其他電源驅(qū)動(dòng) 穩(wěn)壓輸出總線的應(yīng)用。 \n\n在輕負(fù)載期間,該器件將自動(dòng)脈沖跳躍,以最低靜態(tài)電流實(shí)現(xiàn)最高效率。在關(guān)斷模式下,電流消耗減少至 1μA 以下。 \n\nTPS61240-Q1 允許使用小型電感器和電容器,因此可實(shí)現(xiàn)較小的解決方案尺寸。TPS61240-Q1 采用 2mm × 2mm WSON 封裝。 | TITexas Instruments 德州儀器美國(guó)德州儀器公司 | TI | ||
TPS6124x 3.5-MHz High Efficiency Step-Up Converter | TITexas Instruments 德州儀器美國(guó)德州儀器公司 | TI | ||
3.5-MHz High Efficiency Step-Up Converter | TITexas Instruments 德州儀器美國(guó)德州儀器公司 | TI | ||
3.5-MHz High Efficiency Step-Up Converter | TITexas Instruments 德州儀器美國(guó)德州儀器公司 | TI | ||
3.5-MHz High Efficiency Step-Up Converter | TITexas Instruments 德州儀器美國(guó)德州儀器公司 | TI | ||
3.5-MHz High Efficiency Step-Up Converter | TI1Texas Instruments 德州儀器美國(guó)德州儀器公司 | TI1 | ||
3.5-MHz High Efficiency Step-Up Converter | TI1Texas Instruments 德州儀器美國(guó)德州儀器公司 | TI1 |
技術(shù)參數(shù)
- Vin (Max) (V):
5.5
- Vout (Min) (V):
5
- Vout (Max) (V):
5
- Switch current limit (Typ) (A):
0.6
- Regulated outputs (#):
1
- Switching frequency (Min) (kHz):
3500
- Switching frequency (Max) (kHz):
3500
- Iq (Typ) (mA):
0.03
- Features:
Enable
- Duty cycle (Max) (%):
100
- Operating temperature range (C):
-40 to 85
- Rating:
Catalog
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
TI |
24+ |
DSBGA|6 |
8230 |
免費(fèi)送樣原盒原包現(xiàn)貨一手渠道聯(lián)系 |
詢價(jià) | ||
NA |
23+ |
NA |
26094 |
10年以上分銷經(jīng)驗(yàn)原裝進(jìn)口正品,做服務(wù)型企業(yè) |
詢價(jià) | ||
TI(德州儀器) |
24+/25+ |
10000 |
原裝正品現(xiàn)貨庫存價(jià)優(yōu) |
詢價(jià) | |||
TI(德州儀器) |
2021+ |
8000 |
原裝現(xiàn)貨,歡迎詢價(jià) |
詢價(jià) | |||
TI(德州儀器) |
23+ |
標(biāo)準(zhǔn)封裝 |
6000 |
正規(guī)渠道,只有原裝! |
詢價(jià) | ||
TI德州儀器 |
22+ |
24000 |
原裝正品現(xiàn)貨,實(shí)單可談,量大價(jià)優(yōu) |
詢價(jià) | |||
TI(德州儀器) |
23+ |
N/A |
6000 |
公司只做原裝,可來電咨詢 |
詢價(jià) | ||
TI/德州 |
2018+ |
3.6 |
32500 |
德州代理承諾銷售原裝正品公司可開正規(guī)17%增值稅票 |
詢價(jià) | ||
TI(德州儀器) |
24+ |
NA/ |
8735 |
原廠直銷,現(xiàn)貨供應(yīng),賬期支持! |
詢價(jià) | ||
TI(德州儀器) |
24+ |
N/A |
20000 |
原裝進(jìn)口正品 |
詢價(jià) |
相關(guān)規(guī)格書
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