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LM2575T-5.0 Datasheet(PDF) 4 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) 4 Page - Texas Instruments

 
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LM1575, LM2575-N, LM2575HV
SNVS106E – MAY 1999 – REVISED APRIL 2013
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS
(1) (2) (3)
Maximum Supply Voltage
LM1575/LM2575
45V
LM2575HV
63V
ON /OFF Pin Input Voltage
−0.3V ≤ V ≤ +VIN
Output Voltage to Ground
(Steady State)
−1V
Power Dissipation
Internally Limited
Storage Temperature Range
−65°C to +150°C
Maximum Junction Temperature
150°C
Minimum ESD Rating
(C = 100 pF, R = 1.5 k
Ω)
2 kV
Lead Temperature
(Soldering, 10 sec.)
260°C
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is intended to be functional, but do not ensure specific performance limits. For specified specifications and test
conditions, see Electrical Characteristics.
(2)
If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications.
(3)
Refer to RETS LM1575J for current revision of military RETS/SMD.
OPERATING RATINGS
Temperature Range
LM1575
−55°C ≤ TJ ≤ +150°C
LM2575/LM2575HV
−40°C ≤ TJ ≤ +125°C
Supply Voltage
LM1575/LM2575
40V
LM2575HV
60V
ELECTRICAL CHARACTERISTICS LM1575-3.3, LM2575-3.3, LM2575HV-3.3
Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating
Temperature Range .
LM2575-3.3
LM1575-3.3
Units
LM2575HV-3.3
Symbol
Parameter
Conditions
Typ
(Limits)
Limit (1)
Limit (2)
SYSTEM PARAMETERS Test Circuit Figure 25 and Figure 26(3)
VOUT
Output Voltage
VIN = 12V, ILOAD = 0.2A
3.3
V
Circuit Figure 25 and Figure 26
3.267
3.234
V(Min)
3.333
3.366
V(Max)
VOUT
Output Voltage
4.75V
≤ VIN ≤ 40V, 0.2A ≤ ILOAD ≤ 1A
3.3
V
LM1575/LM2575
Circuit Figure 25 and Figure 26
3.200/3.168
3.168/3.135
V(Min)
3.400/3.432
3.432/3.465
V(Max)
VOUT
Output Voltage
4.75V
≤ VIN ≤ 60V, 0.2A ≤ ILOAD ≤ 1A
3.3
V
LM2575HV
Circuit Figure 25 and Figure 26
3.200/3.168
3.168/3.135
V(Min)
3.416/3.450
3.450/3.482
V(Max)
η
Efficiency
VIN = 12V, ILOAD = 1A
75
%
(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.
4
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Copyright © 1999–2013, Texas Instruments Incorporated
Product Folder Links: LM1575 LM2575-N LM2575HV


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