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MC7812ACT Datasheet(PDF) 4 Page - Motorola, Inc

No. de pieza MC7812ACT
Descripción Electrónicos  THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
Download  16 Pages
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Fabricante Electrónico  MOTOROLA [Motorola, Inc]
Página de inicio  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MC7812ACT Datasheet(HTML) 4 Page - Motorola, Inc

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MC7800, MC7800A, LM340, LM340A Series
4
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS (continued) (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 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
0.2
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
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.
ELECTRICAL CHARACTERISTICS (Vin = 11 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7806C
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
5.75
6.0
6.25
Vdc
Output Voltage (5.0 mA
≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
Vdc
8.0 Vdc
≤ Vin ≤ 21 Vdc
5.7
6.0
6.3
9.0 Vdc
≤ Vin ≤ 21 Vdc
Line Regulation, TJ = 25°C (Note 2)
Regline
mV
8.0 Vdc
≤ Vin ≤ 25 Vdc
0.5
24
9.0 Vdc
≤ Vin ≤ 13 Vdc
0.8
12
Load Regulation, TJ = 25°C (Note 2)
Regload
1.3
30
mV
5.0 mA
≤ IO ≤ 1.5 A
Quiescent Current (TJ = 25°C)
IB
3.3
8.0
mA
Quiescent Current Change
∆IB
mA
8.0 Vdc
≤ Vin ≤ 25 Vdc
0.3
1.3
5.0 mA
≤ IO ≤ 1.0 A
0.08
0.5
Ripple Rejection
RR
58
65
dB
9.0 Vdc
≤ Vin ≤ 19 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
0.2
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
NOTES: 1. Tlow = –40°C for MC78XXAC, C
Thigh = +125°C for MC78XXAC, C
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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