参数资料
型号: MC7905BD2TR4
厂商: ON Semiconductor
文件页数: 5/16页
文件大小: 0K
描述: IC REG LDO -5V 1A D2PAK
产品变化通告: Product Discontinuation 27/Jun/2007
标准包装: 800
稳压器拓扑结构: 负,固定式
输出电压: -5V
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: -40°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: 带卷 (TR)
MC7900 Series
MC7912B, MC7912C
ELECTRICAL CHARACTERISTICS (V I = ? 19 V, I O = 500 mA, Tlow* < T J < +1 25 ° C, unless otherwise noted.)
Characteristics
Output Voltage (T J = +25 ° C)
Line Regulation (Note 4)
(T J = +25 ° C, I O = 100 mA)
? 14.5 Vdc ≥ V I ≥ ? 30 Vdc
? 16 Vdc ≥ V I ≥ ? 22 Vdc
(T J = +25 ° C, I O = 500 mA)
? 14.5 Vdc ≥ V I ≥ ? 30 Vdc
? 16 Vdc ≥ V I ≥ ? 22 Vdc
Load Regulation, T J = +25 ° C (Note 4)
5.0 mA ≤ I O ≤ 1.5 A
250 mA ≤ I O ≤ 750 mA
Output Voltage
? 14.5 Vdc ≥ V I ≥ ? 27 Vdc, 5.0 mA ≤ I O ≤ 1.0 A, P ≤ 15 W
Input Bias Current (T J = +25 ° C)
Input Bias Current Change
? 14.5 Vdc ≥ V I ≥ ? 30 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
? 11.5
?
?
?
?
?
?
? 11.4
?
?
?
?
?
?
?
Typ
? 12
13
6.0
55
24
46
17
?
4.4
?
?
75
61
1.3
? 1.0
Max
? 12.5
120
60
240
120
240
120
? 12.6
8.0
1.0
0.5
?
?
?
?
Unit
Vdc
mV
mV
Vdc
mA
mA
m V
dB
Vdc
mV/ ° C
MC7912AC
ELECTRICAL CHARACTERISTICS (V I = ? 19 V, I O = 500 mA, Tlow* < T J < +125 ° C, unless otherwise noted.)
Characteristics
Output Voltage (T J = +25 ° C)
Line Regulation (Note 4)
? 16 Vdc ≥ V I ≥ ? 22 Vdc; I O = 1.0 A, T J = +25 ° C
? 16 Vdc ≥ V I ≥ ? 22 Vdc; I O = 1.0 A
? 14.8 Vdc ≥ V I ≥ ? 30 Vdc; I O = 500 mA
? 14.5 Vdc ≥ V I ≥ ? 27 Vdc; I O = 1.0 A, T J = +25 ° C
Load Regulation (Note 4)
5.0 mA ≤ I O ≤ 1.5 A, T J = +25 ° C
250 mA ≤ I O ≤ 750 mA
5.0 mA ≤ I O ≤ 1.0 A
Output Voltage
? 14.8 Vdc ≥ V I ≥ ? 27 Vdc, 5.0 mA ≤ I O ≤ 1.0 A, P ≤ 15 W
Input Bias Current
Input Bias Current Change
? 15 Vdc ≥ V I ≥ ? 30 Vdc
5.0 mA ≤ I O ≤ 1.0 A
5.0 mA ≤ I O ≤ 1.5 A, T J = +25 ° C
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 A, 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
? 11.75
?
?
?
?
?
?
?
? 11.5
?
?
?
?
?
?
?
?
Typ
? 12
6.0
24
24
13
46
17
35
?
4.4
?
?
?
75
61
1.3
? 1.0
Max
? 12.25
60
120
120
120
150
75
150
? 12.5
8.0
0.8
0.5
0.5
?
?
?
?
Unit
Vdc
mV
mV
Vdc
mA
mA
m V
dB
Vdc
mV/ ° C
4. 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 MC7912B and Tlow = 0 ° C for MC7912C.
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