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LM2575T-5.0 Datasheet(PDF) 6 Page - Texas Instruments

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Part No. LM2575T-5.0
Description  LM1575/LM2575/LM2575HV SIMPLE SWITCHER 1A Step-Down Voltage Regulator
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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LM2575T-5.0 Datasheet(HTML) 6 Page - Texas Instruments

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LM1575, LM2575-N, LM2575HV
SNVS106E – MAY 1999 – REVISED APRIL 2013
www.ti.com
ELECTRICAL CHARACTERISTICS LM1575-15, LM2575-15, LM2575HV-15
Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating
Temperature Range .
LM2575-15
LM1575-15
Units
LM2575HV-15
Parameter
Conditions
Typ
(Limits)
Symbol
Limit (1)
Limit (2)
SYSTEM PARAMETERS Test Circuit Figure 25 and Figure 26(3)
VOUT
Output Voltage
VIN = 30V, ILOAD = 0.2A
15
V
Circuit Figure 25 and Figure 26
14.85
14.70
V(Min)
15.15
15.30
V(Max)
VOUT
Output Voltage
0.2A
≤ ILOAD ≤ 1A,
15
V
LM1575/LM2575
18V
≤ VIN ≤ 40V
14.55/14.40
14.40/14.25
V(Min)
Circuit Figure 25 and Figure 26
15.45/15.60
15.60/15.75
V(Max)
VOUT
Output Voltage
0.2A
≤ ILOAD ≤ 1A,
15
V
LM2575HV
18V
≤ VIN ≤ 60V
14.55/14.40
14.40/14.25
V(Min)
Circuit Figure 25 and Figure 26
15.525/15.675
15.68/15.83
V(Max)
η
Efficiency
VIN = 18V, ILOAD = 1A
88
%
(1)
All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All limits are used to
calculate Average Outgoing Quality Level, and all are 100% production tested.
(2)
All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits
are 100% production tested. All limits at temperature extremes are specified via correlation using standard Statistical Quality Control
(SQC) methods.
(3)
External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM1575/LM2575 is used as shown in the test circuit Figure 25 and Figure 26, system performance will be as shown in system
parameters of Electrical Characteristics.
ELECTRICAL CHARACTERISTICS LM1575-ADJ, LM2575-ADJ, LM2575HV-ADJ
Specifications with standard type face are for TJ= 25°C, and those with boldface type apply over full Operating
Temperature Range.
LM2575-ADJ
LM1575-ADJ
Units
LM2575HV-ADJ
Symbol
Parameter
Conditions
Typ
(Limits)
Limit (1)
Limit (2)
SYSTEM PARAMETERS Test Circuit Figure 25 and Figure 26(3)
VOUT
Feedback Voltage
VIN = 12V, ILOAD = 0.2A
1.230
V
VOUT = 5V
1.217
1.217
V(Min)
Circuit Figure 25 and Figure 26
1.243
1.243
V(Max)
VOUT
Feedback Voltage
0.2A
≤ ILOAD ≤ 1A,
1.230
V
LM1575/LM2575
8V
≤ VIN ≤ 40V
1.205/1.193
1.193/1.180
V(Min)
VOUT = 5V, Circuit Figure 25 and
Figure 26
1.255/1.267
1.267/1.280
V(Max)
VOUT
Feedback Voltage
0.2A
≤ ILOAD ≤ 1A,
1.230
V
LM2575HV
8V
≤ VIN ≤ 60V
1.205/1.193
1.193/1.180
V(Min)
VOUT = 5V, Circuit Figure 25 and
Figure 26
1.261/1.273
1.273/1.286
V(Max)
η
Efficiency
VIN = 12V, ILOAD = 1A, VOUT = 5V
77
%
(1)
All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All limits are used to
calculate Average Outgoing Quality Level, and all are 100% production tested.
(2)
All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits
are 100% production tested. All limits at temperature extremes are specified via correlation using standard Statistical Quality Control
(SQC) methods.
(3)
External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM1575/LM2575 is used as shown in the test circuit Figure 25 and Figure 26, system performance will be as shown in system
parameters of Electrical Characteristics.
6
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Copyright © 1999–2013, Texas Instruments Incorporated
Product Folder Links: LM1575 LM2575-N LM2575HV


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