- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄39425 > LTC3547EDDB (LINEAR TECHNOLOGY CORP) 0.7 A DUAL SWITCHING CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PDSO8 PDF資料下載
參數(shù)資料
| 型號： | LTC3547EDDB |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.7 A DUAL SWITCHING CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 3 X 2 MM, 0.75 MM HEIGHT, PLASTIC, M0-229WECD-1, DFN-8 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 296K |
| 代理商： | LTC3547EDDB |
LTC3547
2
3547fa
VIN ............................................................... –0.3V to 6V
VFB1, VFB2 ......................................... –0.3V to VIN +0.3V
RUN1, RUN2..................................... –0.3V to VIN +0.3V
SW1, SW2 (DC) ................................ –0.3V to VIN +0.3V
P-Channel Switch Source Current (DC) ...............500mA
N-Channel Switch Sink Current (DC) ...................500mA
Peak SW Sink and Source Current (Note 5) .........700mA
Ambient Operating Temperature Range ... –40°C to 85°C
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range................... –65°C to 125°C
(Note 1)
The ● denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 3.6V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
VIN Operating Voltage
●
2.5
5.5
V
VUV
VIN Undervoltage Lockout
VIN Low to High
●
2.0
2.5
V
IFB
Feedback Pin Input Current
LTC3547, VFB = VFBREG
LTC3547-1, VFB = VFBREG
●
3
30
6
nA
A
VFBREG1
Regulated Feedback Voltage (VFB1)
LTC3547, 0°C ≤ TA ≤ 85°C
LTC3547, –40°C ≤ TA ≤ 85°C
LTC3547-1, 0°C ≤ TA ≤ 85°C
LTC3547-1, –40°C ≤ TA ≤ 85°C
●
0.590
0.588
1.770
1.764
0.600
1.800
0.610
0.612
1.830
1.836
V
VFBREG2
Regulated Feedback Voltage (VFB2)
LTC3547, 0°C ≤ TA ≤ 85°C
LTC3547, –40°C ≤ TA ≤ 85°C
LTC3547-1, 0°C ≤ TA ≤ 85°C
LTC3547-1, –40°C ≤ TA ≤ 85°C
●
0.590
0.588
1.180
1.176
0.600
1.200
0.610
0.612
1.220
1.224
V
ΔVLINEREG
Reference Voltage Line Regulation
VIN = 2.5V to 5.5V
0.3
0.5
%/V
ΔVLOADREG
Output Voltage Load Regulation
ILOAD = 0mA to 300mA
0.5
%
IS
Input DC Supply Current
Active Mode (Note 3)
Sleep Mode
Shutdown
VFB1 = VFB2 = 0.95V × VFBREG
VFB1 = VFB2 = 1.05V × VFBREG, VIN = 5.5V
RUN1 = RUN2 = 0V, VIN = 5.5V
450
40
0.1
700
60
1
A
fOSC
Oscillator Frequency
VFB = 0.6V
●
1.8
2.25
2.7
MHz
ILIM
Peak Switch Current Limit
Channel 1 (300mA)
Channel 2 (300mA)
VIN = 3V, VFB < VFBREG, Duty Cycle < 35%
400
550
mA
ELECTRICAL CHARACTERISTICS
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
TOP VIEW
9
DDB PACKAGE
8-LEAD (3mm
× 2mm) PLASTIC DFN
5
6
7
8
4
3
2
1
VFB1
RUN1
VIN
SW1
VFB2
RUN2
SW2
GND
TJMAX = 125°C, θJA = 76°C/W
EXPOSED PAD (PIN 9) IS GND MUST BE SOLDERED TO PCB
ORDER PART NUMBER
DDB PART MARKING
LTC3547EDDB
LTC3547EDDB-1
LCDP
LCPC
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specied with wider operating temperature ranges.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC3547EDDB-1#PBF | 0.7 A DUAL SWITCHING CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PDSO8 |
| LTC3564EDCB#PBF | 2.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3564IDCB#PBF | 2.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3604IMSE#PBF | SWITCHING REGULATOR, PDSO16 |
| LTC3604IUD#TRPBF | SWITCHING REGULATOR, PQCC16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3547EDDB#PBF | 制造商:Linear Technology 功能描述:REG STEP DOWN 0.3A SYNCH DFN-8 制造商:Linear Technology 功能描述:REG, STEP DOWN, 0.3A SYNCH, DFN-8 |
| LTC3547EDDB#TRMPBF | 功能描述:IC REG BUCK SYNC ADJ .3A DL 8DFN 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:- 標準包裝: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 |
| LTC3547EDDB#TRPBF | 功能描述:IC REG BUCK SYNC ADJ .3A DL 8DFN 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:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC |
| LTC3547EDDB-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Monolithic 300mA Synchronous Step-Down Regulator |
| LTC3547EDDB-1#PBF | 制造商:Linear Technology 功能描述:REG STEP DOWN 0.3A SYNCH DFN-8 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。