参数资料
型号: LSP3123K12E
厂商: LITE-ON SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5
封装: TO-263, 5 PIN
文件页数: 6/12页
文件大小: 642K
代理商: LSP3123K12E
Liteon Semiconductor Corporation
LSP3123
150KHZ 3A PWM Buck DC/DC Converter
Rev1.3
3/12
ELECTRICAL CHARACTERISTICS (CONTINUED)
Symbol
Parameter
Conditions
Typ.
Limit
Unit
VFB
Output Feedback
5V≤VIN≤22V
0.2A≤ILOAD≤3A
VOUT programmed for
3V
1.23
1.193/1.18
1.267/1.28
V
VMIN
VMAX
LSP3123-ADJ
η
Efficiency
VIN =12V,
ILOAD =3A
75
%
VOUT
Output voltage
5.5V≤VIN≤22V
0.2A≤ILOAD≤3A
3.3
3.168/3.135
3.432/3.465
V
VMIN
VMAX
LSP3123-3.3V
η
Efficiency
VIN =12V,
ILOAD =3A
75
%
VOUT
Output voltage
8V≤VIN≤22V
0.2A≤ILOAD≤3A
5
4.8/4.75
5.2/5.25
V
VMIN
VMAX
LSP3123-5.0V
η
Efficiency
VIN =12V,
ILOAD =3A
80
%
VOUT
Output voltage
15V≤VIN≤22V
0.2A≤ILOAD≤3A
12
11.52/11.4
12.48/12.6
V
VMIN
VMAX
LSP3123-12V
η
Efficiency
VIN =15V,
ILOAD =3A
90
%
Specifications with boldface type are for full operating temperature range, the other type are for TJ=25
C.
BLOCK DIAGRAM
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