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LM2591HVS-5.0 Datenblatt(PDF) 5 Page - Texas Instruments

Teilenummer LM2591HVS-5.0
Bauteilbeschribung  SIMPLE SWITCHER Power Converter Step-Down Voltage Regulator
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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LM2591HVS-5.0 Datenblatt(HTML) 5 Page - Texas Instruments

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LM2591HV
www.ti.com
SNVS074E – MAY 2001 – REVISED MAY 2016
Product Folder Links: LM2591HV
Submit Documentation Feedback
Copyright © 2001–2016, Texas Instruments Incorporated
(1)
All limits ensured at room temperature (TJ = 25°C) unless otherwise noted. All room temperature limits are 100% production tested. All
limits at temperature extremes are ensured through correlation using standard Statistical Quality Control (SQC) methods. All limits are
used to calculate Average Outgoing Quality Level (AOQL).
(2)
Typical numbers are at 25°C and represent the most likely norm.
(3)
External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM2591HV is used as shown in Test Circuits test circuit, system performance will be as shown in Electrical Characteristics.
7.5 Electrical Characteristics LM2591HV-3.3
Specifications are for TJ = 25°C unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN(1)
TYP(2)
MAX(1)
UNIT
SYSTEM PARAMETERS – See Test Circuits (3)
VOUT
Output Voltage
4.75 V
≤ VIN ≤ 60 V,
0.2 A
≤ ILOAD ≤ 1 A
3.168
3.3
3.432
V
TA = –40°C to 125°C
3.135
3.465
η
Efficiency
VIN = 12 V, ILOAD = 1 A
77%
(1)
All limits ensured at room temperature (TJ = 25°C) unless otherwise noted. All room temperature limits are 100% production tested. All
limits at temperature extremes are ensured through correlation using standard Statistical Quality Control (SQC) methods. All limits are
used to calculate Average Outgoing Quality Level (AOQL).
(2)
Typical numbers are at 25°C and represent the most likely norm.
(3)
External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM2591HV is used as shown in Test Circuits test circuit, system performance will be as shown in Electrical Characteristics.
7.6 Electrical Characteristics LM2591HV-5.0
Specifications are for TJ = 25°C unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN(1)
TYP(2)
MAX(1)
UNIT
SYSTEM PARAMETERS – See Test Circuits (3)
VOUT
Output Voltage
7 V
≤ VIN ≤ 60 V, 0.2 A ≤ ILOAD ≤ 1 A
4.8
5
5.2
V
TA = –40°C to 125°C
4.75
5.25
η
Efficiency
VIN = 12 V, ILOAD = 1 A
82%
(1)
All limits ensured at room temperature (TJ = 25°C) unless otherwise noted. All room temperature limits are 100% production tested. All
limits at temperature extremes are ensured through correlation using standard Statistical Quality Control (SQC) methods. All limits are
used to calculate Average Outgoing Quality Level (AOQL).
(2)
Typical numbers are at 25°C and represent the most likely norm.
(3)
External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.
When the LM2591HV is used as shown in Test Circuits test circuit, system performance will be as shown in Electrical Characteristics.
7.7 Electrical Characteristics LM2591HV-ADJ
Specifications are for TJ = 25°C unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN(1)
TYP(2)
MAX(1)
UNIT
SYSTEM PARAMETERS – See Test Circuits (3)
VFB
Feedback Voltage
4.5 V
≤ VIN ≤ 60 V, 0.2 A ≤ ILOAD ≤ 1 A
VOUT programmed for 3 V. Circuit of
Test Circuits.
1.193
1.23
1.267
V
TA = –40°C to 125°C
1.18
1.28
η
Efficiency
VIN = 12 V, VOUT = 3 V, ILOAD = 1 A
76%


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