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參數(shù)資料
| 型號： | LSP3130SAG |
| 廠商： | LITE-ON SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 360 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 317K |
| 代理商： | LSP3130SAG |
Liteon Semiconductor Corporation
LSP3130
PWM Control 2A Step-Down Converter
Rev1.2
2/7
ABSOLUTE MAXIMUM RATINGS
(NOTE)
Parameter
Value
Unit
VCC Pin Voltage, VCC
VSS-0.3 to VSS+20
V
Feedback Pin Voltage, VFB
VSS-0.3 to VCC
V
EN Pin Voltage, VEN
VSS-0.3 to VIN + 0.3
V
Switch Pin Voltage, VOUTPUT
VSS-0.3 to VIN + 0.3
V
Power Dissipation, PD
Internally limited
mW
Operating Temperature Range, TOPR
-20 to +125
°C
Storage Temperature Range, TSTG
-40 to +150
°C
Note: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating conditions
for long periods may affect device reliability.
Recommended Operating Conditions
Symbol
Parameter
Min
Max
Unit
VIN
Input Voltage
3.6
18
V
TJ
Operating Junction Temperature Range
-20
125
oC
ELECTRICAL CHARACTERISTICS
(VIN = 12V, TA= 25°C, unless otherwise specified.)
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Input Voltage
VIN
3.6
18
V
Feedback Voltage
VFB
IIOUT= 0.1A
0.784
0.8
0.816
V
Feedback Bias Current
IFB
IIOUT= 0.1A
0.1
0.5
A
Switch Current
ISW
2.5
A
Current Consumption During
Power Off
ISSS
VEN = 0
10
A
Line Regulation
Δ
VOUT /VOUT
VIN =5V~18V
1
2
%
Load Regulation
Δ
VOUT /VOUT
IIOUT= 0.1A~2A
0.2
0.5
%
Oscillation Frequency
fosc
Measure waveform at SW pin
240
300
360
KHz
Frequency of Current Limit or
Short Circuit Protect
fosc1
Measure waveform at SW pin
30
50
70
KHz
VSH
Evaluate oscillation at SW pin
2.0
Enable Pin Input Voltage
VSL
Evaluate oscillation stop at
SW pin
0.8
V
ISH
20
Enable Pin Input Leakage
Current
ISL
-10
A
OCSET Pin Bias Current
IOCSET
75
90
105
A
Soft-Start Time
TSS
0.3
2
5
ms
VIN =5V, VFB = 0
110
150
Internal MOSFET Rdson
Rdson
VIN =12V, VFB = 0
70
100
m
Efficiency
EFFI
VIN =12V, VOUT =5V,
IIOUT= 2A
92
%
Thermal Resistance
Junction to Ambient
θJA
150
°C/W
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