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參數(shù)資料
| 型號(hào)： | LTC3544BEUD#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.8 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | 3 X 3 MM, PLASTIC, MO-220WEED-2, QFN-16 |
| 文件頁(yè)數(shù)： | 11/18頁(yè) |
| 文件大?。?/td> | 288K |
| 代理商： | LTC3544BEUD#TR |
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LTC3544B
3544bfb
elecTrical characTerisTics
absoluTe MaxiMuM raTings
Input Supply Voltage .....................................–0.3V to 6V
RUNx ............................................. –0.3V to (VIN + 0.3V)
VFBx ...............................................–0.3V to (VIN + 0.3V)
SWx ............................................... –0.3V to (VIN + 0.3V)
300mA P-Channel Source Current (DC) (Note 8). 450mA
300mA N-Channel Sink Current (DC) (Note 8)..... 450mA
200mA P-Channel Source Current (DC) (Note 8). 300mA
200mA N-Channel Sink Current (DC) (Note 8)..... 300mA
100mA P-Channel Source Current (DC) (Note 8) . 200mA
100mA N-Channel Sink Current (DC) (Note 8) ..... 200mA
Peak 300mA SW Sink and Source Current
(Note 8)............................................................... 600mA
Peak 200mA SW Sink and Source Current
(Note 8)............................................................... 400mA
Peak 100mA SW Sink and Source Current
(Note 8)............................................................... 200mA
Operating Temperature Range.................. –40°C to 85°C
Junction Temperature (Notes 3, 4) ........................ 125°C
Storage Temperature Range....................–65°C to 125°C
(Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
General Characteristics
VIN
Input Voltage Range
l
2.25
5.5
V
VFBREGx
Regulated Feedback Voltage (Note 5)
l
0.792
0.784
0.8
0.808
0.816
V
ΔVFBREGx
Reference Voltage Line Regulation (Note 5)
VIN = 2.25V to 5.5V
0.05
0.25
%/V
VLOADREG
Output Voltage Load Regulation (Note 6)
0.5
%
IS
Input DC Bias Current Active Mode (Pulse Skip) VFB = 0.7V, ILOAD = 0A, 2.25MHz,
Four Regulators Enabled
825
1100
A
Shutdown
0.1
2
A
fOSC
Oscillator Frequency
VIN = 3V
VIN = 2.5V to 5.5V
l
1.8
2.25
2.7
MHz
16 15 14 13
5
6
7
8
TOP VIEW
17
GNDA
UD PACKAGE
16-LEAD (3mm 3mm) PLASTIC QFN
9
10
11
12
4
3
2
1
VFB200B
VFB200A
RUN200A
SW200B
RUN100
VFB100
VFB300
RUN300
RUN200B
V C
C
GNDA
SW100
SW200A
PGND
PV
IN
SW300
TJMAX = 125°C, θJA = 68°C/W
EXPOSED PAD (PIN 17) IS ANALOG GND, MUST BE SOLDERED TO PCB
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V unless otherwise noted. (Note 2)
pin conFiguraTion
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3544BEUD#PBF
LTC3544BEUD#TRPBF
LCLN
16-Lead (3mm
× 3mm) Plastic QFN
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3544BEUD
LTC3544BEUD#TR
LCLN
16-Lead (3mm
× 3mm) Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3544EUD | 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 |
| LTC3544EUD#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(kāi)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(kāi)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(yè)面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LTC3544EUD#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(kāi)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(kāi)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 |
| LTC3544EUDPBF | 制造商:Linear Technology 功能描述:2.25MHz Sync Step-Down Converter LTC3544 |
| LTC3544EUD-PBF | 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 |
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