参数资料
型号: MIC49300-0.9WR
厂商: Micrel Inc
文件页数: 3/10页
文件大小: 0K
描述: IC REG LDO 0.9V 3A SPAK-5
标准包装: 48
稳压器拓扑结构: 正,固定式
输出电压: 0.9V
输入电压: 1.4 V ~ 6.5 V
电压 - 压降(标准): 0.28V @ 3A
稳压器数量: 1
电流 - 输出: 3A
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SPAK-5
供应商设备封装: S-PAK-5
包装: 管件
产品目录页面: 1108 (CN2011-ZH PDF)
其它名称: 576-1810-5
MIC49300-0.9WR-ND

ESD Rating .................................................................. 2kV
Micrel, Inc.
Absolute Maximum Ratings ( 3 )
Supply Voltage (V IN ) ....................................................... +8V
Bias Supply Voltage (V BIAS ) ............................................ +8V
Enable Input Voltage (V EN ) ............................................. +8V
Power Dissipation ..................................... Internally Limited
( 5 )
MIC49300
Operating Ratings ( 4 )
Supply Voltage (V IN ) ..................................... +1.4V to +6.5V
Bias Supply Voltage (V BIAS ) ............................. +3V to +6.5V
Enable Input Voltage (V EN ) .................................. 0V to V BIAS
Junction Temperature Range ............. – 40°C ≤ T J ≤ +125°C
Package Thermal Resistance
S-PAK ( ? JC ) .......................................................... 2°C/W
Electrical Characteristics ( 6 )
T A = 25°C with V BIAS = V OUT + 2.1V; V IN = V OUT + 1V; bold values indicate – 40°C ≤ T J ≤ +125°C, unless noted.
Parameter
Output Voltage Accuracy
Line Regulation
Load Regulation
Dropout Voltage (V IN – V OUT )
Dropout Voltage (V BIAS – V OUT ), Note 7
Ground Pin Current, Note 8
Ground Pin Current in Shutdown
Current through V BIAS
Current Limit
Condition
At 25°C, fixed voltage options
Over temperature range
V IN = 2.0V to 6.5V
I L = 0mA to 3A
I L = 1.5A
I L = 3A
I L = 3A
I L = 0mA
I L = 3A
V EN ≤ 0.6V, (I BIAS + I CC ), Note 8
I L = 0mA
I L = 3A
V OUT = 0V
Min.
-1
-2
-0.1
Typ.
0.01
0.2
125
280
1.5
25
25
0.07
20
50
6.5
Max.
1
2
0.1
0.5
200
400
2.1
50
5
35
150
9
Units
%
%
%/V
%
mV
mV
V
mA
mA
μA
mA
mA
A
Enable Input, Note 9
Enable Input Threshold (fixed voltage only)
Enable Pin Input Current
Regulator enable
Regulator shutdown
1.6
0.1
0.6
1.0
V
V
μA
Reference
Reference Voltage
Adjustable option only
0.891
0.882
0.9
0.909
0.918
V
V
Notes:
3. Exceeding the absolute maximum ratings may damage the device.
4. The device is not guaranteed to function outside its operating ratings.
5. Devices are ESD sensitive. Handling precautions are recommended. Human body model, 1.5k ? in series with 100pF.
6. Specification for packaged product only.
7. For V OUT ≤1V, V BIAS dropout speci?cation does not apply due to a minimum 3V V BIAS input.
8. I GND = I BIAS + (I IN – I OUT ). At high loads, input current on V IN will be less than the output current, due to drive current being supplied by V BIAS .
9. Fixed output voltage versions only.
January 22, 2014
3
Revision 3.0
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