| 型號 | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX77387 | 雙相自適應(yīng)DC-DC升壓轉(zhuǎn)換器,集成2x 1000mA高邊電流調(diào)節(jié)器 MAX77387為智能手機的相機閃光燈提供了一個高效率解決方案,該產(chǎn)品集成雙相2A PWM DC-DC升壓轉(zhuǎn)換器以及兩路可編程的1A高邊、低壓差LED電流調(diào)節(jié)器,用于支持閃光燈和手電筒功能。I2C接口靈活控制升壓轉(zhuǎn)換器、手電筒、閃光燈模式選擇以及手電筒/閃光燈的安全定時持續(xù)時間。\n\n IC可工作在低至2.5V電壓,符合未來的新電池技術(shù)需求。升壓轉(zhuǎn)換器帶有內(nèi)部開關(guān)MOSFET以及同步整流器,可提高工作效率并且將外圍元件數(shù)量降至最少。雙相工作確保低輸出紋波并可獲得最小尺寸的解決方案。IC還包括雙路高邊、大電流調(diào)節(jié)器,支持手電筒和閃光燈模式。每路大電流調(diào)節(jié)器在閃光燈模式下可輸出高達1A ? 輸入電壓在2.5V至5.5V可全功能工作\n? 雙相交錯升壓DC-DC轉(zhuǎn)換器\n? 真關(guān)斷輸出\n? 在VIN > 2.7V和VOUT ≤ 4.0V時確保2A輸出電流\n? 自適應(yīng)輸出電壓調(diào)節(jié)確保具有業(yè)內(nèi)最高的系統(tǒng)效率\n? 超過90%的峰值效率\n? 3.125%最小占空比\n? 具有Skip模式\n? 片內(nèi)功率MOSFET以及同步整流器\n? 每相具有高達4MHz PWM開關(guān)頻率\n? 每相僅需0.47μH小型電感\(zhòng)n\n\n? 手電筒/閃光燈LED高邊電流調(diào)節(jié)器\n? I2C可編程閃光燈輸出電流(15.625mA至1000mA,步長15.625mA)\n? I2C可編; | ADI 亞德諾 | ADI | |
MAX77387 | Dual-Phase Adaptive DC-DC Step-Up Converter With 2x 1000mA High-Side Current Regulators 文件:6.80443 Mbytes 頁數(shù):80 Pages | MAXIM 美信 | MAXIM | |
Evaluation System for the MAX77387 The MAX77387 evaluation kit (EV kit) is a fully assembled and tested PCB that demonstrates the highly integrated MAX77387 dual-phase adaptive step-up converter with 2A flash driver. The device’s flash driver integrates an adaptive 2A dual-phase PWM step-up DC-DC converter and two 1000mA white LED ca \n? Dual-Phase Interleave Step-Up DC-DC Converter\n? 2A Guaranteed Output Current for VIN > 2.5V and VOUT ≤ 4.0V \n? Over 90% Peak Efficiency \n? On-Chip Power MOSFET and Synchronous Rectifier \n? Small 0.47μH Inductor per Phase\n? I2C-Programmable Flash Output Current (15.625mA to 1000mA in 15.; | ADI 亞德諾 | ADI | ||
包裝:盒 類別:開發(fā)板,套件,編程器 評估板 - LED 驅(qū)動器 描述:EVAL KIT FOR MAX77387 | AD 亞德諾 | AD | ||
Package:20-UFBGA;包裝:卷帶(TR) 類別:集成電路(IC) LED 驅(qū)動器 描述:IC LED DRIVER RGLTR PWM 1A 20WLP | AD 亞德諾 | AD |
技術(shù)參數(shù)
- VIN (max)(V):
5.5
- Max. No. of LEDs:
2
- # LED Channels:
2
- Regulation Topology:
Inductor Based
- Battery Input:
1-Cell Li+
- LED Configuration:
Parallel
- ILED per Channel (max)(A):
1
- Dimming Control:
Digital
- POUT(W):
8
- ICC (max)(mA):
0.5
- LED String Volt. (max)(V):
5.2
- Fxd. Freq.:
Yes
- Switching Frequency(kHz):
4000
- Features:
Internal Switch
- Tags:
Camera Flash
- EV Kit Available:
Yes
- RoHS Available:
Yes
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
WLP/20
- Budgetary Price (See Notes):
$1.66 @1k
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
ADI |
25+ |
20-WLCSP-N/A |
5500 |
雙相自適應(yīng)DC-DC升壓轉(zhuǎn)換器,集成2x 1000mA高邊電流調(diào)節(jié)器 |
詢價 | ||
MAXIM |
13+ |
WLP |
3738 |
原裝分銷 |
詢價 | ||
MAXIM |
2016+ |
QFN |
6000 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價 | ||
MAXIM |
25+23+ |
WLP |
12241 |
絕對原裝正品全新進口深圳現(xiàn)貨 |
詢價 | ||
MaximIntegrated |
24+ |
20-WLP |
66800 |
原廠授權(quán)一級代理,專注汽車、醫(yī)療、工業(yè)、新能源! |
詢價 | ||
Maxim |
20+ |
原裝 |
65790 |
原裝優(yōu)勢主營型號-可開原型號增稅票 |
詢價 | ||
MAXIM/美信 |
24+ |
WLP20 |
25050 |
原廠支持公司優(yōu)勢現(xiàn)貨 |
詢價 | ||
Maxim Integrated |
21+ |
783-FCPBGA(29x29) |
5860 |
進口原裝!長期供應(yīng)!絕對優(yōu)勢價格(誠信經(jīng)營 |
詢價 | ||
MAXIM |
25+ |
QFN20 |
30000 |
代理全新原裝現(xiàn)貨,價格優(yōu)勢 |
詢價 | ||
Maxim Integrated |
24+ |
20-UFBGA |
39500 |
一級代理/放心采購 |
詢價 |
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