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参数资料
| 型号： | LSP3105L18AD |
| 厂商： | LITE-ON SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO10 |
| 封装： | 3 X 3 MM, TDFN-10 |
| 文件页数： | 3/8页 |
| 文件大小： | 652K |
| 代理商： | LSP3105L18AD |
Liteon Semiconductor Corporation
LSP3105
2A Synchronous TDFN3*3-10L Step-Down Converter
Rev1.0
3/8
ABSOLUTE MAXIMUM RATINGS
(Note: Exceeding these limits may damage the device. Exposure to absolute maximum rating conditions for long periods may
affect device reliability.)
PARAMETER
VALUE
UNIT
IN, FB, EN to G
-0.3 to 6.5
V
SW to G
-0.3 to VIN + 0.3
V
Junction to Ambient Thermal Resistance (θJA)
45
°C/W
Junction to Case Thermal Resistance (θJC)
5
°C/W
Maximum Power Dissipation
2.2
W
Operating Junction Temperature
-40 to 125
°C
Storage Temperature
-55 to 150
°C
Lead Temperature (Soldering, 10 sec)
300
°C
ELECTRICAL CHARACTERISTICS
(VIN = VEN = 3.6V, TA = 25C unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage Range
VIN
2.5
6
V
Operating Supply Current
VFB = 0.5V, IOUT = 0
300
500
A
Shutdown Supply Current
VEN = 0V, VIN = 4.2V
0.1
1
A
TA = 25°C
0.5880
0.6000
0.6120
0 < TA < 85°C
0.5865
0.6000
0.6135
Adjustable Version Regulation
Voltage (LSP3105WAD)
VFB
-40°C < TA < 85°C
0.5850
0.6000
0.6150
V
Fixed Output Regulation
Voltage
VOUT
LSP3105L18AD
1.746
1.800
1.854
V
Output Voltage Line
Regulation
VIN = 2.5V to 6V, IOUT = 10mA
0.10
0.20
%/V
Output Voltage Load
Regulation
IOUT = 10mA to 2000mA
0.20
%/A
Inductor Current Limit
ILIM
2.5
3.5
A
Oscillator Frequency
fSW
VFB or VOUT in regulation
0.96
1.2
1.44
MHz
PMOS On Resistance
RONP
VIN = 3.6V
135
200
m
NMOS On Resistance
RONN
VIN = 3.6V
95
150
m
SW Leakage Current
EN = G,VIN = 6V, VSW = 6V or 0V
±
1
A
RUN Logic High Threshold
VIH
VIN = 2.7V to 6V
1.5
V
RUN Logic Low Threshold
VIL
VIN = 2.7V to 6V
0.3
V
RUN Input Bias Current
IEN
VIN = 6V, EN = G or IN
-1.0
1.0
A
Over-Temperature Shutdown
Threshold
TSD
170
°C
Over-Temperature Shutdown
Hysteresis
THYS
10
°C
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