參數(shù)資料
型號(hào)： MC78L12CP
廠商： MOTOROLA INC
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： 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
文件頁數(shù)： 2/8頁
文件大?。?/td> 157K
代理商： MC78L12CP
MC78L00, A Series
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS (TA = +125°C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Input Voltage (2.6 V–8.0 V)
Input Voltage (12 V–18 V)
Input Voltage (24 V)
VI
30
35
40
Vdc
Storage Temperature Range
Tstg
–65 to +150
°C
Operating Junction Temperature Range
TJ
0 to +150
°C
ELECTRICAL CHARACTERISTICS (VI = 10 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, – 40°C < TJ < +125°C (for MC78LXXAB),
0
°C < TJ < +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L05AC, AB
MC78L05C
Characteristics
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
4.8
5.0
5.2
4.6
5.0
5.4
Vdc
Line Regulation
(TJ = +25°C, IO = 40 mA)
7.0 Vdc
≤ VI ≤ 20 Vdc
8.0 Vdc
≤ VI ≤ 20 Vdc
Regline
–
55
45
150
100
–
55
45
200
150
mV
Load Regulation
(TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA)
(TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA)
Regload
–
11
5.0
60
30
–
11
5.0
60
30
mV
Output Voltage
(7.0 Vdc
≤ VI ≤ 20 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(VI = 10 V, 1.0 mA ≤ IO ≤ 70 mA)
VO
4.75
–
5.25
4.5
–
5.5
Vdc
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
IIB
–
3.8
–
6.0
5.5
–
3.8
–
6.0
5.5
mA
Input Bias Current Change
(8.0 Vdc
≤ VI ≤ 20 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
–
40
–
40
–
V
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 8.0 Vdc
≤ VI ≤ 18 V, TJ = +25°C)
RR
41
49
–
40
49
–
dB
Dropout Voltage (TJ = +25°C)
VI – VO
–
1.7
–
1.7
–
Vdc
ELECTRICAL CHARACTERISTICS (VI = 14 V, IO = 40 mA, CI = 0.33 F, CO = 0.1 F, – 40°C < TJ < +125°C (for MC78LXXAB),
0
°C < TJ < +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L08AC, AB
MC78L08C
Characteristics
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
VO
7.7
8.0
8.3
7.36
8.0
8.64
Vdc
Line Regulation
(TJ = +25°C, IO = 40 mA)
10.5 Vdc
≤ VI ≤ 23 Vdc
11 Vdc
≤ VI ≤ 23 Vdc
Regline
–
20
12
175
125
–
20
12
200
150
mV
Load Regulation
(TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA)
(TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA)
Regload
–
15
8.0
80
40
–
15
6.0
80
40
mV
Output Voltage
(10.5 Vdc
≤ VI ≤ 23 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(VI = 14 V, 1.0 mA ≤ IO ≤ 70 mA)
VO
7.6
–
8.4
7.2
–
8.8
Vdc
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
IIB
–
3.0
–
6.0
5.5
–
3.0
–
6.0
5.5
mA
Input Bias Current Change
(11 Vdc
≤ VI ≤ 23 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
–
60
–
52
–
V
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 12 V
≤ VI ≤ 23 V, TJ = +25°C)
RR
37
57
–
36
55
–
dB
Dropout Voltage (TJ = +25°C)
VI – VO
–
1.7
–
1.7
–
Vdc
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