參數(shù)資料
型號: MC7818CT
廠商: ON SEMICONDUCTOR
元件分類: 固定正電壓單路輸出標(biāo)準(zhǔn)穩(wěn)壓器
英文描述: THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
中文描述: 18 V FIXED POSITIVE REGULATOR, SFM3
封裝: TO-220, 3 PIN
文件頁數(shù): 28/33頁
文件大?。?/td> 289K
代理商: MC7818CT
MC7800, MC7800A, MC7800AE, NCV7800
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (Vin = 10 V, IO = 1.0 A, TJ = Tlow to 125°C (Note 3), unless otherwise noted)
MC7805AB/MC7805AC/NCV7805AB
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)
7.5 Vdc ≤ Vin ≤ 20 Vdc
VO
4.8
5.0
5.2
Vdc
Line Regulation (Note 4)
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 4)
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
DIB
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
8.0 Vdc ≤ Vin ≤ 18 Vdc, f = 120 Hz, IO = 500 mA
RR
68
83
dB
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
VI VO
2.0
Vdc
Output Noise Voltage (TA = 25°C)
10 Hz ≤ f ≤ 100 kHz
Vn
10
mV/VO
Output Resistance (f = 1.0 kHz)
rO
0.9
mW
Short Circuit Current Limit (TA = 25°C)
Vin = 35 Vdc
ISC
0.2
A
Peak Output Current (TJ = 25°C)
Imax
2.2
A
Average Temperature Coefficient of Output Voltage
TCVO
0.3
mV/°C
3. Tlow =0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB
4. 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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