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LM2574HVM-15 Fiches technique(PDF) 7 Page - Texas Instruments

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No de pièce LM2574HVM-15
Description  SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator
Download  38 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

LM2574HVM-15 Fiches technique(HTML) 7 Page - Texas Instruments

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LM2574, LM2574HV
www.ti.com
SNVS104D – JUNE 1999 – REVISED APRIL 2016
Product Folder Links: LM2574 LM2574HV
Submit Documentation Feedback
Copyright © 1999–2016, Texas Instruments Incorporated
(1)
Test circuit in Figure 22 and Figure 27.
(2)
All limits specified at room temperature TYP and MAX. All room temperature limits are 100% production tested. All limits at temperature
extremes are specified through correlation using standard Statistical Quality Control (SQC) methods. All limits are used to calculate
Average Outgoing Quality Level.
6.10 Electrical Characteristics – Adjustable Version
TJ = 25°C, and all MIN and MAX apply over full operating temperature range. VIN = 12 V, ILOAD = 100 mA (unless otherwise
noted).
PARAMETER(1)
TEST CONDITIONS
MIN
TYP(2)
MAX(2)
UNIT
VFB
Feedback voltage
VIN = 12 V, ILOAD = 100 mA
1.217
1.23
1.243
V
LM2574, 7 V
≤ VIN ≤ 40 V,
0.1 A
≤ ILOAD ≤ 0.5 A,
VOUT programmed for 5 V
TJ = 25°C
1.193
1.23
1.267
−40°C ≤ TJ ≤ 125°C
1.18
1.28
LM2574HV, 7 V
≤ VIN ≤ 60 V,
0.1 A
≤ ILOAD ≤ 0.5 A,
VOUT programmed for 5 V
TJ = 25°C
1.193
1.23
1.273
−40°C ≤ TJ ≤ 125°C
1.18
1.286
η
Efficiency
VIN = 12 V, VOUT = 5 V, ILOAD = 0.5 A
77%


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