参数资料
| 型号： | MC7905CTG |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO -5V 1A TO220AB |
| 标准包装： | 50 |
| 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： | 0°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-3 |
| 供应商设备封装： | TO-220AB |
| 包装： | 管件 |
| 产品目录页面： | 1117 (CN2011-ZH PDF) |
| 其它名称： | MC7905CTGOS |
MC7900 Series
MAXIMUM RATINGS (T A = +25 ° C, unless otherwise noted.)
Input Voltage ( ? 5.0 V ≥ V O ≥ ? 18 V)
Input Voltage (24 V)
Rating
Symbol
V I
Value
? 35
? 40
Unit
Vdc
Power Dissipation
Case 221A
T A = +25 ° C
Thermal Resistance, Junction ? to ? Ambient
Thermal Resistance, Junction ? to ? Case
Case 936 (D 2 PAK)
T A = +25 ° C
Thermal Resistance, Junction ? to ? Ambient
Thermal Resistance, Junction ? to ? Case
Storage Junction Temperature Range
Junction Temperature
P D
q JA
q JC
P D
q JA
q JC
T stg
T J
Internally Limited
65
5.0
Internally Limited
70
5.0
? 65 to +150
+150
W
° C/W
° C/W
W
° C/W
° C/W
° C
° C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
*This device series contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per MIL_STD_883, Method 3015
Machine Model Method 200 V
MC7905B, MC7905C
ELECTRICAL CHARACTERISTICS (V I = ? 10 V, I O = 500 mA, Tlow* < T J < +1 25 ° C, unless otherwise noted.)
Characteristics
Output Voltage (T J = +25 ° C)
Line Regulation (Note 1)
(T J = +25 ° C, I O = 100 mA)
? 7.0 Vdc ≥ V I ≥ ? 25 Vdc
? 8.0 Vdc ≥ V I ≥ ? 12 Vdc
(T J = +25 ° C, I O = 500 mA)
? 7.0 Vdc ≥ V I ≥ ? 25 Vdc
? 8.0 Vdc ≥ V I ≥ ? 12 Vdc
Load Regulation, T J = +25 ° C (Note 1)
5.0 mA ≤ I O ≤ 1.5 A
250 mA ≤ I O ≤ 750 mA
Output Voltage
? 7.0 Vdc ≥ V I ≥ ? 20 Vdc, 5.0 mA ≤ I O ≤ 1.0 A, P ≤ 15 W
Input Bias Current (T J = +25 ° C)
Input Bias Current Change
? 7.0 Vdc ≥ V I ≥ ? 25 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
? 4.8
?
?
?
?
?
?
? 4.75
?
?
?
?
?
?
?
Typ
? 5.0
7.0
2.0
35
8.0
11
4.0
?
4.3
?
?
40
70
1.3
? 1.0
Max
? 5.2
50
25
100
50
100
50
? 5.25
8.0
1.3
0.5
?
?
?
?
Unit
Vdc
mV
mV
Vdc
mA
mA
m V
dB
Vdc
mV/ ° C
1. 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 MC7905B and Tlow = 0 ° C for MC7905C.
http://onsemi.com
2
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