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| 型号： | MIC29310-5.0BU TR |
| 厂商： | Micrel Inc |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V 3A TO-263-3 |
| 标准包装： | 750 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 16V |
| 电压 - 压降（标准）： | 0.6V @ 3A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 3A |
| 电流 - 限制（最小）： | 3A |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-4，D²Pak（3 引线+接片），TO-263AA |
| 供应商设备封装： | TO-263-3 |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC29310-5.0BUTR MIC29310-5.0BUTR-ND |
MIC29310/29312
Electrical Characteristics (Note 11)
T J = 25°C, bold values indicate 0°C ≤ T J ≤ +125°C; unless noted
Micrel
Parameter
Condition
Min
Typ
Max
Units
Output Voltage
Line Regulation
Load Regulation
Δ V O / Δ T
ppm/°C
Dropout Voltage
Ground Current
I GNDDO Ground Pin
Current at Dropout
10mA ≤ I O ≤ I FL , (V OUT + 1V) ≤ V IN ≤ 8V, Note 4
I O = 10mA, (V OUT + 1V) ≤ V IN ≤ 16V
V IN = V OUT + 1V, 10mA ≤ I OUT ≤ I FULL LOAD , Notes 4, 8
Output Voltage Temperature Coef ? cient, Note 8
Δ V OUT = –1%, Note 5
I O = 100mA
I O = 750mA
I O = 1.5A
I O = 3A
I O = 750mA, V IN = V OUT + 1V
I O = 1.5A
I O = 3A
V IN = 0.5V less than speci ? ed V OUT . I OUT = 10mA
–2
0.06
0.2
20
80
220
330
600
5
15
60
2
2
0.5
1
100
200
1000
20
150
3
%
%
%
mV
mV
mV
mV
mA
mA
mA
mA
Current Limit
Minimum Load Current
e n , Output Noise Voltage
(10Hz to 100kHz) I L = 100mA
V OUT = 0V, Note 6
C L = 10μF
C L = 33μF
3.0
3.8
7
400
260
10
A
mA
μV RMS
μV RMS
Reference (MIC29312 only)
Reference Voltage
Adjust Pin Bias Current
10mA ≤ I O ≤ I FL , V OUT + 1V ≤ V IN ≤ 8V, Note 4
1.215
40
1.265
80
V MAX
nA
120
nA
Reference Voltage
ppm/°C Temperature Coef ? cient
Note 9
20
Adjust Pin Bias Current
Temperature Coef ? cient
Enable Input (MIC29312 only)
0.1
nA/°C
Input Logic Voltage
low (off)
high (on)
2.4
0.8
V
V
Enable Pin Input Current
Regulator Output
Current in Shutdown
V EN = V IN
V EN = 0.8V
Note 10
15
–
10
30
75
2
4
20
μA
μA
μA
μA
μA
μA
Note 1.
Note 2.
Note 3.
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended.
Full Load current is de ? ned as 3A for the MIC29310/29312. For testing, V OUT is programmed to 5V.
Dropout voltage is de ? ned as the input-to-output differential when the output voltage drops to 99% of its nominal value with V OUT + 1V applied
to V IN .
For this test, V IN is the larger of 8V or V OUT + 3V.
Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the load current plus the ground
pin current.
Output voltage temperature coef ? cient is de ? ned as the worst case voltage change divided by the total temperature range.
V REF ≤ V OUT ≤ (V IN – 1V), 2.4V ≤ V IN ≤ 16V, 10mA < I L ≤ I FL , T J ≤ T J(max).
Note 10: V EN ≤ 0.8V and V IN ≤ 8V, V OUT = 0.
Note 11: Speci ? cation for packaged product only.
November 2006
3
MIC29310/29312
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