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LM2940QML-SP 数据表(PDF) 7 Page - Texas Instruments

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部件名 LM2940QML-SP
功能描述  1A Low Dropout Regulator
Download  17 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

LM2940QML-SP 数据表(HTML) 7 Page - Texas Instruments

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LM2940QML, LM2940QML-SP
www.ti.com
SNVS389B – MAY 2010 – REVISED MAY 2013
LM2940-5.0 Electrical Characteristics SMD: 5962R8958702 AC Parameters
The following conditions apply, unless otherwise specified.
AC:
VI = 10V, IO = 1A, CO = 22µF
Sub-
Symbol
Parameter
Conditions
Notes
Min
Max
Unit
groups
Max Line Transient
VO ≤ 6V, RO = 100Ω, t = 20mS
See(1)
40
V
1, 2, 3
Reverse Polarity Input Voltage
t = 20mS, RO = 100Ω
See(1)
-45
V
1, 2, 3
Transient
RR
See(1)
60
dB
4
VIN = 10V, 1VRMS, ƒ = 1KHz,
Ripple Rejection
IOUT = 5mA
See(1)
50
dB
5, 6
NO
VIN = 10V, IOUT = 5mA,
Output Noise Voltage
See(1)
0.0
700
µVRMS
1, 2, 3
10Hz - 100KHz
ZO
VIN = 10V, ƒO = 120Hz
Output Impedance
See(1)
1.0
1, 2, 3
IOUT = 100mA DC and 20mA AC
(1)
Functional test only.
LM2940-5.0 Electrical Characteristics SMD: 5962R8958702 DC Drift Parameters
The following conditions apply, unless otherwise specified.
DC: VI = 10V, IO = 1A, CO = 22µF, “Delta calculations performed on QMLV devices at group B, subgroup 5 only”
Sub-
Symbol
Parameter
Conditions
Notes
Min
Max
Unit
groups
VO
VIN = 10V, IOUT = 5mA
-30
30
mV
1
VIN = 6V, IOUT = 5mA
-30
30
mV
1
VIN = 7V, IOUT = 5mA
-30
30
mV
1
VIN = 26V, IOUT = 5mA
-30
30
mV
1
Output Voltage
VIN = 10V, IOUT = 1A
-30
30
mV
1
VIN = 6V, IOUT = 1A
-30
30
mV
1
VIN = 6V, IOUT = 50mA
-30
30
mV
1
VIN = 10V, IOUT = 50mA
-30
30
mV
1
VRLOAD
Load Regulation
VIN = 10V, 50mA ≤ IOUT ≤ 1A
-20
20
mV
1
Copyright © 2010–2013, Texas Instruments Incorporated
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