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MIC49150-1.2WR Datasheet(PDF) 3 Page - Micrel Semiconductor

Part # MIC49150-1.2WR
Description  1.5A Low Voltage LDO Regulator w/Dual Input Voltages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC49150-1.2WR Datasheet(HTML) 3 Page - Micrel Semiconductor

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Micrel, Inc.
MIC49150
November 2006
3
M9999-111306
Absolute Maximum Ratings(1)
Supply Voltage (VIN).........................................................8V
Bias Supply Voltage (VBIAS)..............................................8V
Enable Input Voltage (VEN)...............................................8V
Power Dissipation .....................................Internally Limited
ESD Rating
(3).................................................................. 4kV
Operating Ratings(2)
Supply Voltage (VIN)......................................... 1.4V to 6.5V
Bias Supply Voltage (VBIAS)................................. 3V to 6.5V
Enable Input Voltage (VEN).................................. 0V to 6.5V
Junction Temperature (TJ) ..................–40°C ≤ TJ ≤ +125°C
Package Thermal Resistance
MSOP-8 (θJA).....................................................80°C/W
S-Pak (θJC) ..........................................................2°C/W
Electrical Characteristics(4)
TA = 25°C with VBIAS = VOUT + 2.1V; VIN = VOUT + 1V; bold values indicate –40°C< TJ < +125°C, unless noted
(5).
Parameter
Condition
Min
Typ
Max
Units
Output Voltage Accuracy
At 25°C
Over temperature range
–1
–2
+1
+2
%
%
Line Regulation
VIN = VOUT +1V to 6.5V
–0.1
0.01
+0.1
%/V
Load Regulation
IL = 0mA to 1.5A
0.2
1
1.5
%
%
Dropout Voltage (VIN - VOUT)
IL = 750mA
IL = 1.5A
130
280
200
300
400
500
mV
mV
mV
mV
Dropout Voltage (VBIAS - VOUT),
Note 5
IL = 750mA
IL = 1.5A
1.3
1.65
1.9
2.1
V
V
V
Ground Pin Current,
Note 6
IL = 0mA
IL = 1.5A
15
15
25
30
mA
mA
mA
Ground Pin Current in
Shutdown
VEN ≤ 0.6V, (IBIAS + ICC), Note 7
0.5
1
2
µA
µA
Current thru VBIAS
IL = 0mA
IL = 1.5A
9
32
15
25
mA
mA
mA
Current Limit
MIC49150
1.6
2.3
3.4
4
A
A
Enable Input (Note 7)
Enable Input Threshold
(Fixed Voltage only)
Regulator enable
Regulator shutdown
1.6
0.6
V
V
Enable Pin Input Current
Independent of state
0.1
1
µA
Reference
Reference Voltage
0.891
0.882
0.9
0.909
0.918
V
V
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.
4. Specification for packaged product only.
5. For VOUT ≤1V, VBIAS dropout specification does not apply due to a minimum 3V VBIAS input.
6. IGND = IBIAS + (IIN – IOUT). At high loads, input current on VIN will be less than the output current, due to drive current being supplied by VBIAS.
7. Fixed output voltage versions only.


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