參數(shù)資料
型號(hào): LTC3543EDCB#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.3 A SWITCHING REGULATOR, 2250 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 2 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229, DFN-6
文件頁數(shù): 10/20頁
文件大小: 329K
代理商: LTC3543EDCB#PBF
LTC3543
18
3543fa
Li-Ion
BATTERY
2.7V TO 4.2V
3543 TA05
C1
2.2nF
LTC3543
SW
VIN
VFB
CAP
RUN
MODE
GND
CFWD
10pF
COUT
4.7μF**
L
3.3μH*
10μF
1.5V
VOUT
1.5V
R2
604k
R1
402k
EXPOSED
PAD
PWR_EN
MURATA GRM40X5R106K1H520
* TDK
VLCF5020-3R3N1R6
** TDK
TDKC2012X5R0J475MT
FREQUENCY (MHz)
0
AMPLITUDE
(dBm) –50
–30
–10
24
3543 TA06
–70
–90
–60
–40
–20
–80
–100
–110
6
12
18
30
RBW = 3kHz
FREQUENCY (MHz)
0
AMPLITUDE
(dBm) –50
–30
–10
24
3543 TA07
–70
–90
–60
–40
–20
–80
–100
–110
6
12
18
30
RBW = 3kHz
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3543 TA08
0
1
VIN = 3.6V
Spread Spectrum Application
Output Noise Spectrum of a Conventional Buck Switching
Converter (LTC3543 with Spread Spectrum Disabled) Showing
Fundamental and Harmonic Frequencies
Output Noise Spectrum of the LTC3543 Spread Spectrum Buck
Switching Converter. Note the Reduction in Fundamental and
Harmonic Peak Spectral Amplitude Compared to Conventional
Buck Switching Converter Output Noise
TYPICAL APPLICATIONS
相關(guān)PDF資料
PDF描述
LTC3543EDCB#TRM 1.3 A SWITCHING REGULATOR, 2250 kHz SWITCHING FREQ-MAX, PDSO6
LTC3543EDCB 1.3 A SWITCHING REGULATOR, 2250 kHz SWITCHING FREQ-MAX, PDSO6
LTC3544BEUD#TR 0.8 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC16
LTC3544EUD 0.8 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC16
LTC3547BEDDB 0.7 A DUAL SWITCHING CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3544 制造商:LINER 制造商全稱:Linear Technology 功能描述:Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA
LTC3544B 制造商:LINER 制造商全稱:Linear Technology 功能描述:Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA
LTC3544BEUD 制造商:LINER 制造商全稱:Linear Technology 功能描述:Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA
LTC3544BEUD#PBF 功能描述:IC REG BUCK SYNC ADJ QUAD 16QFN 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
LTC3544BEUD#TRPBF 功能描述:IC REG BUCK SYNC ADJ QUAD 16QFN 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