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參數(shù)資料
| 型號： | LTC3620EDC#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 2 X 2 MM, LEAD FREE, PLASTIC, DFN-8 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大小： | 318K |
| 代理商： | LTC3620EDC#PBF |
LTC3620
2
3620fa
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage.................................... –0.3V to 6V
RUN Voltage ................................. –0.3V to (VIN + 0.3V)
VFB Voltage ................................... –0.3V to (VIN + 0.3V)
LOBATB Voltage........................................... –0.3V to 6V
FMIN/MODE Voltage ..................... –0.3V to (VIN + 0.3V)
SW Voltage .................................. –0.3V to (VIN + 0.3V)
P-channel Switch Source Current (DC) ..................50mA
N-channel Switch Sink Current (DC)......................50mA
Operating Junction Temperature Range
(Note 2).................................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
(Note 1)
TOP VIEW
SW
GND
FMIN/MODE
LOBATB
VIN
RUN
VFB
NC
DC PACKAGE
8-LEAD (2mm × 2mm) PLASTIC DFN
9
GND
4
1
2
3
6
5
7
8
TJMAX = 125°C, θJA = 88.5°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
LTC3620EDC#PBF
LTC3620EDC#TRPBF
LFJJ
8-Lead (2mm × 2mm) Plastic DFN
–40°C to 85°C
LTC3620EDC-1#PBF
LTC3620EDC-1#TRPBF
LFJK
8-Lead (2mm × 2mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
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/
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
junction temperature range, otherwise specications are for TA = 25°C (Note 2). VIN = 3.6V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Voltage Range
l
2.9
5.5
V
VFB
Regulated Feedback Voltage (Note 3)
LTC3620
LTC3620-1
l
0.594
0.588
1.089
1.078
0.6
1.1
0.606
0.612
1.111
1.122
V
ΔVFB
Reference Voltage Line Regulation
VIN = 3V to 5.5V (Note 3)
0.05
0.15
%/V
VLOADREG
Output Voltage Load Regulation
(Note 3)
0.5
%
IQ
Quiescent Current, No Switching
VFB = 0.65V, FMIN/MODE = VIN
18
25
μA
IQSD
Quiescent Current in Shutdown
RUN = 0V
0.01
1
μA
IQU
Quiescent Current in UVLO Condition
RUN = VIN, VIN = 2.5V
0.5
μA
IPK
Peak Inductor Current
35
mA
fSW
Minimum Switching Frequency (Internal) VFB = 0.65V, FIN/MODE = 0
l
40
50
kHz
VRUN
RUN Input Voltage High
0.8
V
RUN Input Voltage Low
0.3
V
IRUN
RUN Leakage Current
±0.01
±1
μA
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| LTC3620EDC-1#TRPBF | SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8 |
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