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LM2576-XXE5 Datasheet(PDF) 4 Page - Cystech Electonics Corp.

Part # LM2576-XXE5
Description  Simple Switcher 3A Step- Down Voltage Regulator
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Manufacturer  CYSTEKEC [Cystech Electonics Corp.]
Direct Link  http://www.cystekec.com
Logo CYSTEKEC - Cystech Electonics Corp.

LM2576-XXE5 Datasheet(HTML) 4 Page - Cystech Electonics Corp.

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CYStech Electronics Corp.
Spec. No. : C543E5/F5
Issued Date : 2004.02.27
Revised Date :2007.12.13
Page No. : 4/12
LM2576-XXE5/F5
CYStek Product Specification
LM2576-12 Electrical Characteristics
Specifications with standard type face are for TJ=25°C, and those with boldface type apply over full
operating temperature range
Symbol
Parameter
Conditions
Typ
Min
Max
Units
System Parameters (Note 3) Test Circuit Figure 2
VOUT
Output Voltage VIN=25V, ILOAD=0.5A
Circuit of Figure 2
12
11.76
12.24
V
VOUT
Output Voltage
15V≤VIN≤40V, 0.5A≤ILOAD≤3A
Circuit of Figure 2
12
11.52/11.40
12.48/12.60
V
η
Efficiency
VIN=15V, ILOAD=3A
88
%
LM2576-15 Electrical Characteristics
Specifications with standard type face are for TJ=25°C, and those with boldface type apply over full
operating temperature range
Symbol
Parameter
Conditions
Typ
Min
Max
Units
System Parameters (Note 3) Test Circuit Figure 2
VOUT
Output Voltage VIN=25V, ILOAD=0.5A
Circuit of Figure 2
15
14.7
15.3
V
VOUT
Output Voltage
18V≤VIN≤40V, 0.5A≤ILOAD≤3A
Circuit of Figure 2
15
14.40/14.25
15.60/15.75
V
η
Efficiency
VIN=18V, ILOAD=3A
88
%
LM2576-ADJ Electrical Characteristics
Specifications with standard type face are for TJ=25°C, and those with boldface type apply over full
operating temperature range
Symbol
Parameter
Conditions
Typ
Min
Max
Units
System Parameters (Note 3) Test Circuit Figure 2
VOUT
Feedback
Voltage
VIN=12V, ILOAD=0.5A,
VOUT=5V, Circuit of Figure 2
1.230
1.217
1.243
V
VOUT
Feedback
Voltage
8V≤VIN≤40V, 0.5A≤ILOAD≤3A
VOUT=5V, Circuit of Figure 2
1.230
1.193/1.180
1.267/1.280
V
η
Efficiency
VIN=12V, ILOAD=3A,
VOUT=5V
77
%


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