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LM340T-24 数据表(PDF) 9 Page - Motorola, Inc

部件名 LM340T-24
功能描述  THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
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制造商  MOTOROLA [Motorola, Inc]
网页  http://www.freescale.com
标志 MOTOROLA - Motorola, Inc

LM340T-24 数据表(HTML) 9 Page - Motorola, Inc

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MC7800, MC7800A, LM340, LM340A Series
9
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS (Vin = 23 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7815C/LM340T–15
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
14.4
15
15.6
Vdc
Output Voltage (5.0 mA
≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
14.25
15
15.75
Vdc
17.5 Vdc
≤ Vin ≤ 30 Vdc
Line Regulation, TJ = 25°C (Note 2)
Regline
mV
17.9 Vdc
≤ Vin ≤ 30 Vdc
8.5
30
20 Vdc
≤ Vin ≤ 26 Vdc
3.0
28
Load Regulation, TJ = 25°C (Note 2)
Regload
1.8
55
mV
5.0 mA
≤ IO ≤ 1.5 A
Quiescent Current
IB
3.5
6.5
mA
Quiescent Current Change
∆IB
mA
17.5 Vdc
≤ Vin ≤ 30 Vdc
0.8
17.5 Vdc
≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C
0.7
5.0 mA
≤ IO ≤ 1.0 A
0.5
Ripple Rejection
RR
54
58
dB
18.5 Vdc
≤ Vin ≤ 28.5 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
1.2
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
–1.0
mV/
°C
ELECTRICAL CHARACTERISTICS (Vin = 23 V, IO = 1.0 A, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7815AC/LM340AT–15
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
14.7
15
15.3
Vdc
Output Voltage (5.0 mA
≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
14.4
15
15.6
Vdc
17.9 Vdc
≤ Vin ≤ 30 Vdc
Line Regulation (Note 2)
Regline
mV
17.9 Vdc
≤ Vin ≤ 30 Vdc, IO = 500 mA
8.5
20
20 Vdc
≤ Vin ≤ 26 Vdc
3.0
22
17.5 Vdc
≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C
7.0
20
Load Regulation (Note 2)
Regload
mV
5.0 mA
≤ IO ≤ 1.5 A, TJ = 25°C
1.8
25
5.0 mA
≤ IO ≤ 1.0 A
1.5
25
250 mA
≤ IO ≤ 750 mA
1.2
15
Quiescent Current
IB
3.5
6.0
mA
Quiescent Current Change
∆IB
mA
17.5 Vdc
≤ Vin ≤ 30 Vdc, IO = 500 mA
0.8
17.5 Vdc
≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C
0.8
5.0 mA
≤ IO ≤ 1.0 A
0.5
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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