參數(shù)資料
型號: MC7812ABT
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: 1.0A positive voltage regulators
中文描述: 12 V FIXED POSITIVE REGULATOR, SFM3
封裝: TO-220, 3 PIN
文件頁數(shù): 2/33頁
文件大?。?/td> 289K
代理商: MC7812ABT
MC7800, MC7800A, MC7800AE, NCV7800
http://onsemi.com
10
ELECTRICAL CHARACTERISTICS (Vin = 15 V, IO = 1.0 A, TJ = Tlow to 125°C (Note 15), unless otherwise noted)
Characteristic
Symbol
MC7809AB/MC7809AC
Unit
Min
Typ
Max
Output Voltage (TJ = 25°C)
VO
8.82
9.0
9.18
Vdc
Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W)
11.5 Vdc ≤ Vin ≤ 24 Vdc
VO
8.65
9.0
9.35
Vdc
Line Regulation (Note 16)
11.5 Vdc ≤ Vin ≤ 26 Vdc, IO = 500 mA
12 Vdc ≤ Vin ≤ 17 Vdc, IO = 1.0 A
11.5 Vdc ≤ Vin ≤ 24 Vdc, TJ = 25°C
Regline
6.2
1.8
5.2
16
7.0
16
mV
Load Regulation (Note 16)
5.0 mA ≤ IO ≤ 1.5 A, TJ = 25°C
5.0 mA ≤ IO ≤ 1.0 A
250 mA ≤ IO ≤ 750 mA
Regload
25
15
mV
Quiescent Current
IB
3.3
6.0
mA
Quiescent Current Change
11.5 Vdc ≤ Vin ≤ 26 Vdc, IO = 500 mA
11.5 Vdc ≤ Vin ≤ 24 Vdc, IO = 1.0 A, TJ = 25°C
5.0 mA ≤ IO ≤ 1.0 A
DIB
0.8
0.5
mA
Ripple Rejection
11.5 Vdc ≤ Vin ≤ 21.5 Vdc, f = 120 Hz, IO = 500 mA
RR
56
61
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
1.0
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
0.5
mV/°C
15.Tlow =0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB.
16.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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