参数资料
型号: MC7912CD2T
厂商: ON Semiconductor
文件页数: 7/16页
文件大小: 0K
描述: IC REG LDO -12V 1A D2PAK
产品变化通告: Product Discontinuation 27/Jun/2007
标准包装: 50
稳压器拓扑结构: 负,固定式
输出电压: -12V
输入电压: 可下调至 -35V
电压 - 压降(标准): 1.3V @ 1A
稳压器数量: 1
电流 - 输出: 1A
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-263-3,D²Pak(2 引线+接片),TO-263AB
供应商设备封装: D2PAK
包装: 管件
MC7900 Series
MC7918C
ELECTRICAL CHARACTERISTICS (V I = ? 27 V, I O = 500 mA, 0 ° C < T J < +125 ° C, unless otherwise noted.)
Characteristics
Output Voltage (T J = +25 ° C)
Line Regulation (Note 6)
(T J = +25 ° C, I O = 100 mA)
? 21 Vdc ≥ V I ≥ ? 33 Vdc
? 24 Vdc ≥ V I ≥ ? 30 Vdc
(T J = +25 ° C, I O = 500 mA)
? 21 Vdc ≥ V I ≥ ? 33 Vdc
? 24 Vdc ≥ V I ≥ ? 30 Vdc
Load Regulation, T J = +25 ° C (Note 6)
5.0 mA ≤ I O ≤ 1.5 A
250 mA ≤ I O ≤ 750 mA
Output Voltage
? 21 Vdc ≥ V I ≥ ? 33 Vdc, 5.0 mA ≤ I O ≤ 1.0 A, P ≤ 15 W
Input Bias Current (T J = +25 ° C)
Input Bias Current Change
? 21 Vdc ≥ V I ≥ ? 33 Vdc
5.0 mA ≤ I O ≤ 1.5 A
Output Noise Voltage (T A = +25 ° C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection (I O = 20 mA, f = 120 Hz)
Dropout Voltage (I O = 1.0 A, T J = +25 ° C)
Average Temperature Coefficient of Output Voltage
I O = 5.0 mA, 0 ° C ≤ T J ≤ +125 ° C
Symbol
V O
Reg line
Reg load
V O
I IB
D I IB
V n
RR
V I ? V O
D V O / D T
Min
? 17.3
?
?
?
?
?
?
? 17.1
?
?
?
?
?
?
?
Typ
? 18
25
10
90
50
110
55
?
4.5
?
?
110
59
1.3
? 1.0
Max
? 18.7
180
90
360
180
360
180
? 18.9
8.0
1.0
0.5
?
?
?
?
Unit
Vdc
mV
mV
Vdc
mA
mA
m V
dB
Vdc
mV/ ° C
MC7924B, MC7924C
ELECTRICAL CHARACTERISTICS (V I = ? 33 V, I O = 500 mA, Tlow* < T J < +125 ° C, unless otherwise noted.)
Characteristics
Output Voltage (T J = +25 ° C)
Line Regulation (Note 6)
(T J = +25 ° C, I O = 100 mA)
? 27 Vdc ≥ V I ≥ ? 38 Vdc
? 30 Vdc ≥ V I ≥ ? 36 Vdc
(T J = +25 ° C, I O = 500 mA)
? 27 Vdc ≥ V I ≥ ? 38 Vdc
? 30 Vdc ≥ V I ≥ ? 36 Vdc
Load Regulation, T J = +25 ° C (Note 6)
5.0 mA ≤ I O ≤ 1.5 A
250 mA ≤ I O ≤ 750 mA
Output Voltage
? 27 Vdc ≥ V I ≥ ? 38 Vdc, 5.0 mA ≤ I O ≤ 1.0 A, P ≤ 15 W
Input Bias Current (T J = +25 ° C)
Input Bias Current Change
? 27 Vdc ≥ V I ≥ ? 38 Vdc
5.0 mA ≤ I O ≤ 1.5 A
Output Noise Voltage (T A = +25 ° C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection (I O = 20 mA, f = 120 Hz)
Dropout Voltage (I O = 1.0 A, T J = +25 ° C)
Average Temperature Coefficient of Output Voltage
I O = 5.0 mA, Tlow* ≤ T J ≤ +125 ° C
Symbol
V O
Reg line
Reg load
V O
I IB
D I IB
V n
RR
V I ? V O
D V O / D T
Min
? 23
?
?
?
?
?
?
? 22.8
?
?
?
?
?
?
?
Typ
? 24
31
14
118
70
150
85
?
4.6
?
?
170
56
1.3
? 1.0
Max
? 25
240
120
470
240
480
240
? 25.2
8.0
1.0
0.5
?
?
?
?
Unit
Vdc
mV
mV
Vdc
mA
mA
m V
dB
Vdc
mV/ ° C
6. Load and line regulation are specified at constant junction temperature. Changes in V O due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
*Tlow = ? 40 ° C for MC7924B and Tlow = 0 ° C for MC7924C.
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