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LM340T-5.0LF01 데이터시트(PDF) 7 Page - Texas Instruments

부품명 LM340T-5.0LF01
상세설명  LM340-N/LM78XX Series 3-Terminal Positive Regulators
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LM340T-5.0LF01 데이터시트(HTML) 7 Page - Texas Instruments

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LM340-N, LM78xx
www.ti.com
SNOSBT0I – FEBRUARY 2000 – REVISED MARCH 2013
LM340-N Electrical Characteristics
(1) (continued)
0°C
≤ TJ ≤ +125°C unless otherwise specified
Output Voltage
5V
12V
15V
Symbol
Input Voltage (unless otherwise noted)
10V
19V
23V
Units
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
RO
Dropout Voltage
TJ = 25°C, IO = 1A
2.0
2.0
2.0
V
Output
f = 1 kHz
8
18
19
m
Ω
Resistance
Short-Circuit
TJ = 25°C
2.1
1.5
1.2
A
Current
Peak Output
TJ = 25°C
2.4
2.4
2.4
A
Current
Average TC of
0°C
≤ TJ ≤ +125°C, IO = 5
−0.6
−1.5
−1.8
mV/°C
VOUT
mA
VIN
Input Voltage
TJ = 25°C, IO ≤ 1A
Required to
7.5
14.6
17.7
V
Maintain Line
Regulation
LM7808C
Electrical Characteristics
0°C
≤ TJ ≤ +150°C, VI = 14V, IO = 500 mA, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified
Symbol
Parameter
Conditions(1)
LM7808C
Units
Min
Typ
Max
VO
Output Voltage
TJ = 25°C
7.7
8.0
8.3
V
ΔVO
Line Regulation
TJ = 25°C
10.5V
≤ VI ≤ 25V
6.0
160
mV
11.0V
≤ VI ≤ 17V
2.0
80
ΔVO
Load Regulation
TJ = 25°C
5.0 mA
≤ IO ≤ 1.5A
12
160
mV
250 mA
≤ IO ≤ 750 mA
4.0
80
VO
Output Voltage
11.5V
≤ VI ≤ 23V, 5.0 mA ≤ IO ≤ 1.0A, P ≤ 15W
7.6
8.4
V
IQ
Quiescent Current
TJ = 25°C
4.3
8.0
mA
ΔIQ
Quiescent
With Line
11.5V
≤ VI ≤ 25V
1.0
mA
Current Change
With Load
5.0 mA
≤ IO ≤ 1.0A
0.5
VN
Noise
TA = 25°C, 10 Hz ≤ f ≤ 100 kHz
52
μV
ΔVI/ΔVO
Ripple Rejection
f = 120 Hz, IO = 350 mA, TJ = 25°C
56
72
dB
VDO
Dropout Voltage
IO = 1.0A, TJ = 25°C
2.0
V
RO
Output Resistance
f = 1.0 kHz
16
m
Ω
IOS
Output Short Circuit Current
TJ = 25°C, VI = 35V
0.45
A
IPK
Peak Output Current
TJ = 25°C
2.2
A
ΔVO/ΔT
Average Temperature Coefficient of
IO = 5.0 mA
0.8
mV/°C
Output Voltage
(1)
All characteristics are measured with a 0.22
μF capacitor from input to ground and a 0.1 μF capacitor from output to ground. All
characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tw ≤ 10 ms, duty cycle ≤ 5%).
Output voltage changes due to changes in internal temperature must be taken into account separately.
Copyright © 2000–2013, Texas Instruments Incorporated
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