參數(shù)資料
型號(hào): LX13088CLD
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, PDSO10
封裝: 3 X 3 MM, ROHS COMPLIANT, PLASTIC, DFN-10
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 422K
代理商: LX13088CLD
LX13088
PRODUCTION DATASHEET
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
Copyright
2010
Rev. 1.1, 2010-06-08
Dual 1A Step-Down Converters
TM
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88
SYSTEM CHARACT ERISTICS
Unless otherwise specified, the following specifications apply over the operating ambient temperature of 00C < Temp <700C, and the following
test conditions:, 4.5 ≤ VVIN ≤ 5.5V, E/S = High. Configured per application circuit. System Characteristics are closed loop tests that are
verified as part of characterization but are not tested in production.
Parameter
Symbol
Test Conditions / Comment
Min
Typ
Max
Units
VO1 Output
Line Regulation
VO1
ISW1(avg) = 300mA; 4.50V < VVIN < 5.50V
0.1
%
Load Regulation
VO1
5mA < ISW1(avg) < 1000mA
0.5
%
Dynamic Load Response
VO1
Transient Response = 500mA step anywhere
within 10mA to 1000mA range, I / t = 1A/s
-5
+5
%VO
1
Efficiency
(L1 DCR = 44m)
ηVO1
ISW1(avg) = 1000mA; VO1= 2.5V
87
%
ISW1(avg) = 200mA ; VO1= 2.5V
94
ISW1(avg) = 10mA; VO1= 2.5V
82
VO2 Output
Line Regulation
VO2
ISW2(avg) = 300mA; 4.50V < VVIN < 5.50V
0.1
%
Load Regulation
VO2
5mA < ISW2(avg) ≤ 1000mA
0.5
%
Efficiency
(L2 DCR = 44m )
ηVO2
ISW2(avg) = 1000mA; VO2= 1.2V
80
%
ISW2(avg) = 200mA; VO2= 1.2V
90
%
ISW2(avg) = 10mA; VO2= 1.2V
75
Thermal Shutdown
Thermal Shutdown Threshold
160
°C
Thermal Shutdown Hysteresis
20
°C
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