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LM340 Datasheet(PDF) 7 Page - Texas Instruments

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No. de pieza LM340
Descripción Electrónicos  1.5-A Fixed Voltage Regulators
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

LM340 Datasheet(HTML) 7 Page - Texas Instruments

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LM340, LM340A, LM7805, LM7812, LM7815
www.ti.com
SNOSBT0K – FEBRUARY 2000 – REVISED JULY 2016
Product Folder Links: LM340 LM340A LM7805 LM7812 LM7815
Submit Documentation Feedback
Copyright © 2000–2016, Texas Instruments Incorporated
(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.
6.7 LM340 / LM7812 Electrical Characteristics,
VO = 12 V, VI = 19 V
0°C
≤ TJ ≤ 125°C unless otherwise specified
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO
Output voltage
TJ = 25°C, 5 mA ≤ IO ≤ 1 A
11.5
12
12.5
V
PD ≤ 15 W, 5 mA ≤ IO ≤ 1 A
14.5 V
≤ VIN ≤ 27 V
11.4
12.6
V
ΔVO
Line regulation
IO = 500 mA
TJ = 25°C
14.5V
≤ VIN ≤ 30V
4
120
mV
Over temperature
15V
≤ VIN ≤ 27V
120
mV
IO ≤ 1 A
TJ = 25°C
14.6V
≤ VIN ≤ 27V
120
mV
Over temperature
16V
≤ VIN ≤ 22V
60
mV
ΔVO
Load regulation
TJ = 25°C
5 mA
≤ IO ≤ 1.5 A
12
120
mV
250 mA
≤ IO ≤ 750 mA
60
mV
Over temperature, 5 mA
≤ IO ≤ 1 A
120
mV
IQ
Quiescent current
IO ≤ 1 A
TJ = 25°C
8
mA
Over temperature
8.5
mA
ΔIQ
Quiescent current change
5 mA
≤ IO ≤ 1 A
0.5
mA
TJ = 25°C, IO ≤ 1 A
14.8 V
≤ VIN ≤ 27 V
1
mA
Over temperature, IO ≤ 500 mA
14.5 V
≤ VIN ≤ 30 V
1
mA
VN
Output noise voltage
TA = 25°C, 10 Hz ≤ f ≤ 100 kHz
75
μV
Ripple rejection
f = 120 Hz
15 V
≤ VIN ≤ 25
V
TJ = 25°C, IO ≤ 1 A
55
72
dB
Over temperature, IO ≤ 500
mA,
55
dB
RO
Dropout voltage
TJ = 25°C, IO = 1 A
2
V
Output resistance
f = 1 kHz
18
Short-circuit current
TJ = 25°C
1.5
A
Peak output current
TJ = 25°C
2.4
A
Average TC of VOUT
Over temperature, IO = 5 mA
−1.5
mV/°C
VIN
Input voltage required to
maintain line regulation
TJ = 25°C, IO ≤ 1 A
14.6
V


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