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LM340A Datenblatt(PDF) 3 Page - Motorola, Inc

Teilenummer LM340A
Bauteilbeschribung  THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
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Hersteller  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

LM340A Datenblatt(HTML) 3 Page - Motorola, Inc

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MC7800, MC7800A, LM340, LM340A Series
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS (Vin = 10 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7805C/LM340T–5
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
4.8
5.0
5.2
Vdc
Output Voltage (5.0 mA
≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
Vdc
7.0 Vdc
≤ Vin ≤ 20 Vdc
4.75
5.0
5.25
8.0 Vdc
≤ Vin ≤ 20 Vdc
Line Regulation (Note 2)
Regline
mV
7.5 Vdc
≤ Vin ≤ 20 Vdc, 1.0 A
0.5
20
8.0 Vdc
≤ Vin ≤ 12 Vdc
0.8
10
Load Regulation (Note 2)
Regload
mV
5.0 mA
≤ IO ≤ 1.0 A
1.3
25
5.0 mA
≤ IO ≤ 1.5 A (TA = 25°C)
-
1.3
25
Quiescent Current
IB
3.2
6.5
mA
Quiescent Current Change
∆IB
mA
7.0 Vdc
≤ Vin ≤ 25 Vdc
0.3
1.0
5.0 mA
≤ IO ≤ 1.0 A (TA = 25°C)
0.08
0.8
Ripple Rejection
RR
62
83
dB
8.0 Vdc
≤ Vin ≤ 18 Vdc, f = 120 Hz
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
VI – VO
2.0
Vdc
Output Noise Voltage (TA = 25°C)
Vn
10
µV/VO
10 Hz
≤ f ≤ 100 kHz
Output Resistance f = 1.0 kHz
rO
0.9
m
Short Circuit Current Limit (TA = 25°C)
ISC
0.6
A
Vin = 35 Vdc
Peak Output Current (TJ = 25°C)
Imax
2.2
A
Average Temperature Coefficient of Output Voltage
TCVO
–0.3
mV/
°C
ELECTRICAL CHARACTERISTICS (Vin = 10 V, IO = 1.0 A, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7805AC/LM340AT–5
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
4.9
5.0
5.1
Vdc
Output Voltage (5.0 mA
≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
4.8
5.0
5.2
Vdc
7.5 Vdc
≤ Vin ≤ 20 Vdc
Line Regulation (Note 2)
Regline
mV
7.5 Vdc
≤ Vin ≤ 25 Vdc, IO = 500 mA
0.5
10
8.0 Vdc
≤ Vin ≤ 12 Vdc, IO = 1.0 A
0.8
12
8.0 Vdc
≤ Vin ≤ 12 Vdc, IO = 1.0 A, TJ = 25°C
1.3
4.0
7.3 Vdc
≤ Vin ≤ 20 Vdc, IO = 1.0 A, TJ = 25°C
4.5
10
Load Regulation (Note 2)
Regload
mV
5.0 mA
≤ IO ≤ 1.5 A, TJ = 25°C
1.3
25
5.0 mA
≤ IO ≤ 1.0 A
0.8
25
250 mA
≤ IO ≤ 750 mA
0.53
15
Quiescent Current
IB
3.2
6.0
mA
Quiescent Current Change
∆IB
mA
8.0 Vdc
≤ Vin ≤ 25 Vdc, IO = 500 mA
0.3
0.8
7.5 Vdc
≤ Vin ≤ 20 Vdc, TJ = 25°C
0.8
5.0 mA
≤ IO ≤ 1.0 A
0.08
0.5
Ripple Rejection
RR
68
83
dB
8.0 Vdc
≤ Vin ≤ 18 Vdc, f = 120 Hz, IO = 500 mA
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
VI – VO
2.0
Vdc
NOTES: 1. Tlow = –40°C for MC78XXAC, C, LM340AT–XX, LM340T–XX
Thigh = +125°C for MC78XXAC, C, LM340AT–XX, LM340T–XX
2. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.


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