參數(shù)資料
型號(hào): MC7812ABD2T
廠(chǎng)商: ON SEMICONDUCTOR
元件分類(lèi): 固定正電壓?jiǎn)温份敵鰳?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, PSSO2
封裝: D2PAK-3
文件頁(yè)數(shù): 7/33頁(yè)
文件大?。?/td> 289K
代理商: MC7812ABD2T
MC7800, MC7800A, MC7800AE, NCV7800
http://onsemi.com
15
ELECTRICAL CHARACTERISTICS (Vin = 27 V, IO = 500 mA, TJ = Tlow to 125°C (Note 25), unless otherwise noted)
MC7818B
MC7818C
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
17.3
18
18.7
17.3
18
18.7
Vdc
Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W)
VO
Vdc
21 Vdc ≤ Vin ≤ 33 Vdc
17.1
18
18.9
22 Vdc ≤ Vin ≤ 33 Vdc
17.1
18
18.9
Line Regulation, (Note 26)
Regline
mV
21 Vdc ≤ Vin ≤ 33 Vdc
9.5
360
9.5
50
24 Vdc ≤ Vin ≤ 30 Vdc
3.2
180
3.2
25
Load Regulation, (Note 26)
Regload
2.0
360
2.0
55
mV
5.0 mA ≤ IO ≤ 1.5 A
Quiescent Current
IB
3.5
8.0
3.5
6.5
mA
Quiescent Current Change
DIB
mA
21 Vdc ≤ Vin ≤ 33 Vdc
1.0
5.0 mA ≤ IO ≤ 1.0 A
0.5
0.5
Ripple Rejection
RR
57
53
57
dB
22 Vdc ≤ Vin ≤ 33 Vdc, f = 120 Hz
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
ViI VO
2.0
2.0
Vdc
Output Noise Voltage (TA = 25°C)
Vn
10
10
mV/VO
10 Hz ≤ f ≤ 100 kHz
Output Resistance f = 1.0 kHz
rO
1.3
1.3
mW
Short Circuit Current Limit (TA = 25°C)
ISC
0.2
0.2
A
Vin = 35 Vdc
Peak Output Current (TJ = 25°C)
Imax
2.2
2.2
A
Average Temperature Coefficient of Output Voltage
TCVO
1.5
1.5
mV/°C
25.Tlow =0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB
26.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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