參數(shù)資料
型號(hào)： MC78L18ACS
廠商： VISHAY SEMICONDUCTORS
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： 18 V FIXED POSITIVE REGULATOR, PDSO8
封裝： SO-8
文件頁數(shù)： 5/8頁
文件大?。?/td> 71K
代理商： MC78L18ACS
MC78L12 AB/AC Electrical Characteristics
Vi = 19V, IO = 40mA, Ci = 0.33
F, CO = 0.1F, –40°C < TJ < 125°C (MC78L08AB), 0°C < TJ < 125°C (MC78L08AC) unless otherwise noted.
Parameter
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
11.75
12
12.25
Vdc
Line Regulation
14.5V
≤ Vi ≤ 27V
REGline
55
250
mV
(TJ = 25°C, IO = 40mA)
16V
≤ Vi ≤ 27V
49
200
Load Regulation
1.0mA
≤ IO ≤ 100mA
REGload
22
100
mV
(TJ = 25°C)
1.0mA
≤ IO ≤ 40mA
13
50
Output Voltage
14.5V
≤ Vi ≤ 27V, 1.0mA ≤ IO ≤ 40mA
VO
11.5 (11.4)*
12.5 (12.6)*
V
Vi = 19V, 1.0mA
≤ IO ≤ 70mA
11.5 (11.4)*
12.5 (12.6)*
Quiescent Current
TJ = 25°C
IQ
42
6.5
mA
TJ = 125°C
6.0
Quiescent Current Change
16V
≤ Vi ≤ 27V
IQ
1.5
mA
1.0mA
≤ IO ≤ 40mA
0.2
Output Noise Voltage (TA = 25°C, 10Hz
≤ f ≤ 100KHz)
Vn
70
V
Ripple Rejection
RR
36
42
dB
(IO = 40mA, f = 120HZ, 15V
≤ Vi ≤ 25V, TJ = 25°C)
Dropout Voltage (TJ = 25°C)
Vdrop
1.7
Vdc
* Limits in parenthesis apply for MC78L12AB
MC78L15 AB/AC Electrical Characteristics
Vi = 23V, IO = 40mA, Ci = 0.33
F, CO = 0.1F, –40°C < TJ < 125°C (MC78L09AB), 0°C < TJ < 125°C (MC78L09AC) unless otherwise noted.
Parameter
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = 25°C)
VO
14.7
15
15.3
Vdc
Line Regulation
17.5V
≤ Vi ≤ 30V
REGline
65
300
mV
(TJ = 25°C, IO = 40mA)
20V
≤ Vi ≤ 30V
58
250
Load Regulation
1.0mA
≤ IO ≤ 100mA
REGload
25
150
mV
(TJ = 25°C)
1.0mA
≤ IO ≤ 40mA
12
75
Output Voltage
17.5V
≤ Vi ≤ 30V, 1.0mA ≤ IO ≤ 40mA
VO
14.40 (14.25)*
15.60 (15.75)*
Vdc
Vi = 23V, 1.0mA
≤ IO ≤ 70mA
14.40 (14.25)*
15.60 (15.75)*
Quiescent Current
TJ = 25°C
IQ
4.4
6.5
mA
TJ = 125°C
6.0
Quiescent Current Change
20V
≤ Vi ≤ 30V
IQ
1.5
mA
1.0mA
≤ IO ≤ 40mA
0.2
Output Noise Voltage (TA = 25°C, 10Hz
≤ f ≤ 100KHz)
Vn
82
V
Ripple Rejection
RR
33
39
dB
(IO = 40mA, f = 120HZ, 18.5V
≤ Vi ≤ 28.5V, TJ = 25°C)
Dropout Voltage
Vdrop
1.7
Vdc
* Limits in parenthesis apply for MC78L15AB
MC78L00
Vishay
formerly General Semiconductor
Document Number 74823
www.vishay.com
18-Dec-02
5
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