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參數(shù)資料
| 型號： | LTC3547BIDDB#PBF |
| 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, LEAD FREE, PLASTIC, M0-229WECD-1, DFN-8 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 248K |
| 代理商： | LTC3547BIDDB#PBF |
LTC3547B
2
3547bfb
VIN
LTC3547BE .............................................. –0.3V to 6V
LTC3547BI ............................................... –0.3V to 7V
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 (Note 2)
LTC3547BE .......................................... –40°C to 85°C
LTC3547BI ......................................... –40°C to 125°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
LTC3547BE, LTC3547BE-1,
LTC3547BI
●
2.5
5.5
6.5
V
VUV
VIN Undervoltage Lockout
VIN Low to High
●
2.2
2.5
V
IFB
Feedback Pin Input Current
LTC3547BE, VFB = VFBREG
LTC3547BE-1, VFB = VFBREG
●
3
±30
6
nA
μA
VFBREG1
Regulated Feedback Voltage (VFB1)
LTC3547BE, 0°C ≤ TA ≤ 85°C
LTC3547BE, –40°C ≤ TA ≤ 85°C
LTC3547BI, –40°C ≤ TA ≤ 125°C
LTC3547BE-1, 0°C ≤ TA ≤ 85°C
LTC3547BE-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)
LTC3547BE, 0°C ≤ TA ≤ 85°C
LTC3547BE, –40°C ≤ TA ≤ 85°C
LTC3547BI, –40°C ≤ TA ≤ 125°C
LTC3547BE-1, 0°C ≤ TA ≤ 85°C
LTC3547BE-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
ELECTRICAL CHARACTERISTICS
ABSOLUTE
AXI U
RATI GS
W
WW
U
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 INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3547BEDDB#PBF
LTC3547BEDDB#TRPBF
LCPD
8-Lead (3mm × 2mm) Plastic DFN
–40°C to 85°C
LTC3547BEDDB-1#PBF
LTC3547BEDDB-1#TRPBF LCPF
8-Lead (3mm × 2mm) Plastic DFN
–40°C to 85°C
LTC3547BIDDB #PBF
LTC3547BIDDB #TRPBF
LCPD
8-Lead (3mm × 2mm) Plastic DFN
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *Temperature grades are identied by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
PIN CONFIGURATION
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| 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(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 |
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