参数资料
型号: LSP3125SAE
厂商: LITE-ON SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: 7.5 A SWITCHING CONTROLLER, 173 kHz SWITCHING FREQ-MAX, PDSO8
封装: SOP-8
文件页数: 3/9页
文件大小: 499K
代理商: LSP3125SAE
Liteon Semiconductor Corporation
LSP3125
150KHZ 2A PWM Buck DC/DC Converter
Rev1.3
3/9
ELECTRICAL CHARACTERISTICS
(CONTINUED)
(Unless otherwise specified, VIN=12V for 3.3V, 5V and adjustable version and VIN=18V for the 12V version. ILOAD =
0.5A)
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
1.193
1.267
Output
Feedback
VFB
4.5V ≤VIN ≤22V
0.2A ≤ILOAD ≤2A
VOUT Programmed for 3V
1.18
1.23
1.28
V
Efficiency
LSP3125-ADJ
η
VIN =12V, ILOAD= 2A
75
%
3.168
3.432
Output
Feedback
VOUT
4.5V ≤VIN ≤22V
0.2A ≤ILOAD ≤2A
3.135
3.3
3.465
V
Efficiency
LSP3125-3.3V
η
VIN =12V, ILOAD= 2A
78
%
4.8
5.2
Output
Feedback
VOUT
7V ≤VIN ≤22V
0.2A ≤ILOAD ≤2A
4.75
5
5.25
V
Efficiency
LSP3125-5.0V
η
VIN =12V, ILOAD= 2A
83
%
11.52
12.48
V
Output
Feedback
VOUT
15V ≤VIN ≤22V
0.2A ≤ILOAD ≤2A
11.4
12
12.6
Efficiency
LSP3125-12V
η
VIN =15V, ILOAD= 2A
90
%
Specifications with boldface are for full operating temperature range, the other type are for TJ=25°C
FUNCTIONAL BLOCK DIAGRAM
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