參數(shù)資料
型號(hào)： MC78L12CP
廠商： MOTOROLA INC
元件分類： 固定正電壓?jiǎn)温份敵鰳?biāo)準(zhǔn)穩(wěn)壓器
英文描述： Low Pin Count Synchronous Buck DC/DC Controller 10-SON -40 to 85
中文描述： 12 V FIXED POSITIVE REGULATOR, PBCY3
封裝： PLASTIC, POWER PACK-3
文件頁(yè)數(shù)： 4/8頁(yè)
文件大?。?/td> 157K
代理商： MC78L12CP
MC78L00, A Series
4
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS (VI = 23 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, – 40°C < TJ < +125°C (for MC78LXXAB),
S 0
°C < TJ < +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L15AC, AB
MC78L15C
Characteristics
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
14.4
15
15.6
13.8
15
16.2
Vdc
Line Regulation
(TJ = +25°C, IO = 40 mA)
17.5 Vdc
≤ VI ≤ 30 Vdc
20 Vdc
≤ VI ≤ 30 Vdc
Regline
–
130
110
300
250
–
130
110
300
250
mV
Load Regulation
(TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA)
(TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA)
Regload
–
25
12
150
75
–
25
12
150
75
mV
Output Voltage
(17.5 Vdc
≤ VI ≤ 30 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(VI = 23 V, 1.0 mA ≤ IO ≤ 70 mA)
VO
14.25
–
15.75
13.5
–
16.5
Vdc
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
IIB
–
4.4
–
6.5
6.0
–
4.4
–
6.5
6.0
mA
Input Bias Current Change
(20 Vdc
≤ VI ≤ 30 Vdc)
(1.0 mA
≤ IO ≤ 40 mA)
IIB
–
1.5
0.1
–
1.5
0.2
mA
Output Noise Voltage
(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
–
90
–
90
–
V
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 18.5 V
≤ VI ≤ 28.5 V, TJ = +25°C)
RR
34
39
–
33
39
–
dB
Dropout Voltage
(TJ = +25°C)
VI – VO
–
1.7
–
1.7
–
Vdc
ELECTRICAL CHARACTERISTICS (VI = 27 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, 0°C < TJ < +125°C, unless otherwise noted.)
MC78L18AC
MC78L18C
Characteristics
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
17.3
18
18.7
16.6
18
19.4
Vdc
Line Regulation
(TJ = +25°C, IO = 40 mA)
21.4 Vdc
≤ VI ≤ 33 Vdc
20.7 Vdc
≤ VI ≤ 33 Vdc
22 Vdc
≤ VI ≤ 33 Vdc
21 Vdc
≤ VI ≤ 33 Vdc
Regline
–
45
35
325
275
–
32
27
325
275
mV
Load Regulation
(TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA)
(TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA)
Regload
–
30
15
170
85
–
30
15
170
85
mV
Output Voltage
(21.4 Vdc
≤ VI ≤ 33 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(20.7 Vdc
≤ VI ≤ 33 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(VI = 27 V, 1.0 mA ≤ IO ≤ 70 mA)
VO
17.1
–
18.9
16.2
–
19.8
Vdc
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
IIB
–
3.1
–
6.5
6.0
–
3.1
–
6.5
6.0
mA
Input Bias Current Change
(22 Vdc
≤ VI ≤ 33 Vdc)
(21 Vdc
≤ VI ≤ 33 Vdc)
(1.0 mA
≤ IO ≤ 40 mA)
IIB
–
1.5
0.1
–
1.5
0.2
mA
Output Noise Voltage
(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Vn
–
150
–
150
–
V
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 23 V
≤ VI ≤ 33 V, TJ = +25°C)
RR
33
48
–
32
46
–
dB
Dropout Voltage
(TJ = +25°C)
VI – VO
–
1.7
–
1.7
–
Vdc
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