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参数资料
| 型号： | LTC3620EDC-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 1.1V 15MA 8DFN |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 1.1V |
| 输入电压： | 2.9 V ~ 5.5 V |
| 频率 - 开关： | 50kHz |
| 电流 - 输出： | 15mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-DFN（2x2） |
LTC3620
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage .................................... –0.3V to 6V
RUN Voltage ................................. –0.3V to (V IN + 0.3V)
PIN CONFIGURATION
TOP VIEW
V FB Voltage ................................... –0.3V to (V IN + 0.3V)
LOBATB Voltage ........................................... –0.3V to 6V
FMIN/MODE Voltage ..................... –0.3V to (V IN + 0.3V)
SW Voltage .................................. –0.3V to (V IN + 0.3V)
SW 1
GND 2
FMIN/MODE 3
LOBATB 4
9
GND
8 V IN
7 RUN
6 V FB
5 NC
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
ORDER INFORMATION
DC PACKAGE
8-LEAD (2mm × 2mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 88.5°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LTC3620EDC#PBF
LTC3620EDC-1#PBF
TAPE AND REEL
LTC3620EDC#TRPBF
LTC3620EDC-1#TRPBF
PART MARKING
LFJJ
LFJK
PACKAGE DESCRIPTION
8-Lead (2mm × 2mm) Plastic DFN
8-Lead (2mm × 2mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts speci?ed 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 speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
junction temperature range, otherwise speci?cations are for T A = 25°C (Note 2). V IN = 3.6V unless otherwise noted.
SYMBOL
V IN
PARAMETER
Input Voltage Range
CONDITIONS
l
MIN
2.9
TYP
MAX
5.5
UNITS
V
V FB
Δ V FB
Regulated Feedback Voltage (Note 3)
Reference Voltage Line Regulation
LTC3620
LTC3620
LTC3620-1
LTC3620-1
V IN = 3V to 5.5V (Note 3)
l
l
0.594
0.588
1.089
1.078
0.6
0.6
1.1
1.1
0.05
0.606
0.612
1.111
1.122
0.15
V
V
V
V
%/V
V LOADREG
Output Voltage Load Regulation
(Note 3)
0.5
%
I Q
I QSD
I QU
I PK
Quiescent Current, No Switching
Quiescent Current in Shutdown
Quiescent Current in UVLO Condition
Peak Inductor Current
V FB = 0.65V, FMIN/MODE = V IN
RUN = 0V
RUN = V IN , V IN = 2.5V
18
0.01
0.5
35
25
1
μA
μA
μA
mA
f SW
V RUN
Minimum Switching Frequency (Internal) V FB = 0.65V, FIN/MODE = 0
RUN Input Voltage High
l
40
0.8
50
kHz
V
RUN Input Voltage Low
0.3
V
I RUN
RUN Leakage Current
±0.01
±1
μA
3620fa
2
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