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LM2672M-3.3 数据表(PDF) 5 Page - Texas Instruments

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部件名 LM2672M-3.3
功能描述  LM2672 SIMPLE SWITCHER짰 Power Converter High Efficiency 1-A Step-Down Voltage Regulator with Features
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

LM2672M-3.3 数据表(HTML) 5 Page - Texas Instruments

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LM2672
www.ti.com
SNVS136L – SEPTEMBER 1998 – REVISED JUNE 2016
Product Folder Links: LM2672
Submit Documentation Feedback
Copyright © 1998–2016, Texas Instruments Incorporated
(1)
External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect
switching regulator performance. When the LM2672 is used as shown in Figure 19 test circuits, system performance is as specified by
the system parameters section of Electrical Characteristics.
(2)
All limits specified at room temperature and at temperature extremes. 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 (AOQL).
(3)
Typical numbers are at 25°C and represent the most likely norm.
7.5 Electrical Characteristics – 3.3 V
TJ = 25°C (unless otherwise noted; see Figure 19)
(1)
PARAMETER
TEST CONDITIONS
MIN(2)
TYP(3)
MAX(2)
UNIT
VOUT
Output voltage
VIN = 8 V to 40 V, ILOAD = 20 mA to 1 A
TJ = 25°C
3.251
3.3
3.35
V
TJ = –40°C to 125°C
3.201
3.399
VIN = 6.5 V to 40 V,
ILOAD = 20 mA to 500 mA
TJ = 25°C
3.35
3.3
3.35
TJ = –40°C to 125°C
3.201
3.399
η
Efficiency
VIN = 12 V, ILOAD = 1 A
86%
(1)
External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect
switching regulator performance. When the LM2672 is used as shown in Figure 19 test circuits, system performance is as specified by
the system parameters section of Electrical Characteristics.
(2)
All limits specified at room temperature and at temperature extremes. 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 (AOQL).
(3)
Typical numbers are at 25°C and represent the most likely norm.
7.6 Electrical Characteristics – 5 V
TJ = 25°C (unless otherwise noted; see Figure 19)
(1)
PARAMETER
TEST CONDITIONS
MIN(2)
TYP(3)
MAX(2) UNIT
VOUT
Output voltage
VIN = 8 V to 40 V, ILOAD = 20 mA to 1 A
TJ = 25°C
4.925
5
5.075
V
TJ = –40°C to 125°C
4.85
5.15
VIN = 6.5 V to 40 V,
ILOAD = 20 mA to 500 mA
TJ = 25°C
4.925
5
5.075
TJ = –40°C to 125°C
4.85
5.15
η
Efficiency
VIN = 12 V, ILOAD = 1 A
90%
(1)
External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect
switching regulator performance. When the LM2672 is used as shown in Figure 19 test circuits, system performance is as specified by
the system parameters section of Electrical Characteristics.
(2)
All limits specified at room temperature and at temperature extremes. 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 (AOQL).
(3)
Typical numbers are at 25°C and represent the most likely norm.
7.7 Electrical Characteristics – 12 V
TJ = 25°C (unless otherwise noted; see Figure 19)
(1)
PARAMETER
TEST CONDITIONS
MIN(2)
TYP(3)
MAX(2) UNIT
VOUT
Output voltage
VIN = 15 V to 40 V, ILOAD = 20 mA to 1 A
TJ = 25°C
11.82
12
12.18
V
TJ = –40°C to 125°C
11.64
12.36
η
Efficiency
VIN = 24 V, ILOAD = 1 A
94%


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