mic49300 Micrel Semiconductor, mic49300 Datasheet - Page 3

• Manufacturer Part Number: mic49300
• Description: Mic49300 3.0a Low Voltage Ldo Regulator W/dual Input Voltages
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Voltage (V
Bias Supply Voltage (V
Enable Input Voltage (V
Power Dissipation ..................................... Internally Limited
ESD Rating, Note 3 ...................................................... 2kV
Electrical Characteristics
T
T
T = 25°C with V
Parameter
Parameter
Parameter
Parameter
Parameter
Parameter
Output Voltage Accuracy
Output Voltage Accuracy
Output Voltage Accuracy
Output Voltage Accuracy
Output Voltage Accuracy
Output Voltage Accuracy
Line Regulation
Line Regulation
Load Regulation
Load Regulation
Dropout Voltage (V
Dropout Voltage (V
Note 4
Ground Pin Current, Note 5
Ground Pin Current in Shutdown
Ground Pin Current in Shutdown
Current thru V
Current Limit
Current Limit
Enable Input, Note 6
Enable Input Threshold
Enable Input Threshold
(Fixed Voltage only)
(Fixed Voltage only)
(Fixed Voltage only)
(Fixed Voltage only)
Enable Pin Input Current
Enable Pin Input Current
Enable Pin Input Current
Enable Pin Input Current
Enable Pin Input Current
Enable Pin Input Current
Reference
Reference Voltage
Reference Voltage
Reference Voltage
Reference Voltage
Reference Voltage
Reference Voltage
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
August 2005
MIC49300
A
A
A
A
= 25°C with V
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. Human body model, 1.5k in series with 100pF.
For V
I
Fixed output voltage versions only.
GND
= I
OUT
BIAS
BIAS
BIAS
≤1V, V
IN
BIAS
IN
+ (I
= V
– V
) ........................................................ 8V
IN
BIAS
– V
OUT
OUT
– I
BIAS
EN
OUT
OUT
dropout specifi cation does not apply due to a minimum 3V V
)
)
) ............................................. 8V
+2.1V; V
) ............................................ 8V
)
)
). At high loads, input current on V
Conditions
Conditions
Conditions
Conditions
Conditions
Conditions
At 25°C, fi xed voltage options
At 25°C, fi xed voltage options
At 25°C, fi xed voltage options
At 25°C, fi xed voltage options
At 25°C, fi xed voltage options
At 25°C, fi xed voltage options
Over temperature range
Over temperature range
V
V
I
I
I
I
I
I
I
I
I
I
I
I
V
V
I
I
I
I
V
V
Regulator enable
Regulator enable
Regulator shutdown
Regulator shutdown
Regulator shutdown
Regulator shutdown
Adjustable option only
Adjustable option only
Adjustable option only
Adjustable option only
Adjustable option only
Adjustable option only
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
IN
EN
OUT
IN
= 0mA to 3A
= 0mA to 3A
= 0mA to 3A
= 0mA to 3A
= 1.5A
= 1.5A
= 1.5A
= 1.5A
= 3A
= 3A
= 3A
= 3A
= 3A
= 3A
= 3A
= 3A
= 0mA
= 0mA
= 0mA
= 0mA
= 3A
= 3A
= 3A
= 3A
= 0mA
= 0mA
= 0mA
= 0mA
= 3A
= 3A
= 3A
= 3A
= 2.0V to 6.5V
= V
≤ 0.6V, (I
= 0V
= 0V
= 0V
(Note 1)
OUT
+ 1V; bold values indicate –40°C < T
BIAS
+ I
CC
), Note 6
IN
will be less than the output current, due to drive current being supplied by V
3
Operating Ratings
Supply Voltage (V
Bias Supply Voltage (V
Enable Input Voltage (V
Junction Temperature Range ..............–40°C ≤T
Package Thermal Resistance
S-PAK(θ
BIAS
JC
J
) ........................................................... 2°C/W
input.
< +125°C, Note 4; unless otherwise specifi ed.
IN
) .........................................1.4V to 6.5V
BIAS
EN
(Note 2)
) ............................... 0V to V
) ................................3V to 6.5V
0.891
0.891
0.891
0.891
0.891
0.891
0.882
–0.1
Min
Min
Min
Min
Min
Min
1.6
–1
–1
–1
–1
–1
–1
–2
0.01
0.01
0.07
0.07
0.07
Typ
Typ
Typ
Typ
Typ
Typ
125
125
125
125
280
280
280
280
0.2
0.2
0.2
0.2
1.5
1.5
1.5
1.5
6.5
6.5
6.5
0.1
0.1
0.1
0.1
0.1
0.1
0.9
0.9
0.9
0.9
0.9
0.9
2
2
2
2
25
25
25
25
20
20
20
20
50
50
50
50
5
M9999-082605-B
0.909
0.909
0.909
0.909
0.909
0.909
0.918
+0.1
Max
Max
Max
Max
Max
Max
200
400
150
0.5
2.1
0.6
1.0
1.0
1.0
1.0
1.0
1.0
+1
+1
+1
+1
+1
+1
+2
50
35
5
9
J
Micrel, Inc.
≤ +125°C
Units
Units
Units
Units
Units
Units
%/V
%/V
mV
mV
mV
mV
mA
mA
mA
mA
mA
mA
mA
mA
mA
BIAS
µA
µA
µA
µA
µA
µA
µA
µA
BIAS
%
%
%
%
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
.