參數(shù)資料
型號: LTC3442EDE
廠商: Linear Integrated Systems
英文描述: Micropower Synchronous Buck-Boost DC/DC Converter with Automatic Burst Mode Operation
中文描述: 微功率同步降壓升壓與自動突發(fā)模式的DC / DC轉(zhuǎn)換器操作
文件頁數(shù): 19/20頁
文件大?。?/td> 332K
代理商: LTC3442EDE
LTC3442
19
3442f
SW1
V
IN
SD/SS
R
LIM
R
T
SGND
SW2
V
OUT
FB
V
C
BURST
PGND
LTC3442
V
IN
2.7V TO
4.2V
LHXL-PW03
10
μ
F
6.3V
V
OUT
1nF
3442 TA05
3.3
μ
H
1nF
10
μ
F
6.3V
R5
7.87k
I
LED
= 500mA/1.5A
OPEN LED VOLTAGE LIMIT = (R4+R5) 0.95/R4
R2 = R1/1.5
I
LED
= 24 (R1+R2+R3)/(R1 R3) AMPS
(OR:
I
LED
= 40/R3 + .08)
95.3k
40.2k
2N7002
R2
200k
R1
301k
57.6k
R4
2k
R2
20k
OFF ON
LOW HI
TYPICAL APPLICATIO S
High Current LED Driver with Low/High Current Range for Pulsed
Applications; LED Current is 0.5A with 1.5A Pulse
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3442EDE#PBF 功能描述:IC REG BUCK BOOST SYNC ADJ 12DFN 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(biāo)準(zhǔn)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(yīng)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
LTC3442EDE#TR 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 2.4V to 5.5V 12-Pin DFN EP T/R
LTC3442EDE#TRPBF 功能描述:IC REG BUCK BOOST SYNC ADJ 12DFN 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(biāo)準(zhǔn)包裝:2,500 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,1.5V,1.8V,2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬)裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
LTC3443 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Current Micropower 600kHz Synchronous Buck-Boost DC/DC Converter
LTC3443EDE 功能描述:IC REG BUCK BOOST SYNC ADJ 12DFN RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 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,1.5V,1.8V,2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬)裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤