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DESCRIPTION
The UTC L5101 is a fixed frequency step-up PWM DC/DC converter and designed for white LEDS driving with a constant current to provide backlight in handheld devices. The device switches at a high frequency 1.2MHz by an internal N-channel MOSFET switch to be capable of minimum external components using.
The UTC L5101 can drive up to 5 LEDs in series by a Li-Ion cell. Series connection of LEDS provides identical LED currents resulting in uniform brightness without ballast resistors. The low 95mV feedback voltage minimizes power loss in the current setting resistor can have better efficiency.
FEATURES
* Built-In Open Circuit Protection
* Built-In Over Voltage Protection
* High Efficiency(Up to 84 at VIN=4.2V, 3 LEDs, ILED=20mA)
* 1.2MHz fixed switching frequency
* Low supply current: 70μA
* Matches LED current
* Requires tiny inductor and capacitors
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
NS/國半 |
23+ |
NA/ |
3295 |
原裝現(xiàn)貨,當(dāng)天可交貨,原型號開票 |
詢價 | ||
HARRIS/哈里斯 |
22+ |
SOP-8 |
100000 |
代理渠道/只做原裝/可含稅 |
詢價 | ||
NS0745現(xiàn)貨供應(yīng)1.35元 |
23+ |
NS0745現(xiàn)貨供應(yīng)1.35元 |
20000 |
原廠原裝正品現(xiàn)貨 |
詢價 | ||
NS |
17+ |
SOP8 |
112 |
一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價 | ||
TI/德州儀器 |
20+ |
SOP8 |
880000 |
明嘉萊只做原裝正品現(xiàn)貨 |
詢價 | ||
NS |
SOP-8 |
68900 |
原包原標(biāo)簽100%進口原裝常備現(xiàn)貨! |
詢價 | |||
NS/國半 |
2048+ |
SOP-8 |
9851 |
只做原裝正品現(xiàn)貨!或訂貨假一賠十! |
詢價 | ||
NS0745供應(yīng)135元 |
24+ |
NS07451.35 |
7671 |
原裝正品.優(yōu)勢專營 |
詢價 | ||
NS |
19+ |
SOP-8 |
76918 |
原廠代理渠道,每一顆芯片都可追溯原廠； |
詢價 | ||
NS |
22+ |
SOP8 |
5000 |
原裝現(xiàn)貨庫存.價格優(yōu)勢!! |
詢價 |
