mic47300 Micrel Semiconductor, mic47300 Datasheet - Page 3

• Manufacturer Part Number: mic47300
• Description: 3a, Low Voltage, Adjustable Ldo Regulator With Dual Input Supply
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Voltage (V
Bias Supply Voltage (V
Power Dissipation .....................................Internally Limited
ESD Rating
Electrical Characteristics
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. P
5. Specification for packaged product only.
6. For V
7. I
Micrel, Inc.
Symbol
V
V
V
V
I
I
I
T
Reference (Adjust Pin)
V
I
October 2009
IN
GND
BIAS
LIM
ADJ
SD
LNREG
LDREG
DO
DO(BIAS)
ADJ
= V
GND
D(MAX)
= I
OUT
OUT
BIAS
= (T
≤1V, V
+ 1V, V
Parameter
Line Regulation
Load Regulation
Dropout Voltage (V
Dropout Voltage (V
Note 6
Ground Pin Current, Note 7
Current thru V
Current Limit
Thermal Shutdown
Thermal Shutdown Hysteresis
Reference Voltage
Adjust Pin Current
+ (I
(3)
J(MAX)
.................................................................. 2kV
IN
BIAS
– I
– T
OUT
IN
BIAS
dropout specification does not apply due to a minimum 3V V
A
) .........................................................8V
) / θ
). At high loads, input current on V
= V
JA
BIAS
, where θ
BIAS
OUT
)..............................................8V
IN
BIAS
+ 2.1V,
-V
JA
- V
OUT
, depends upon the printed circuit layout. See “Applications Information.”
OUT
(5)
)
I
OUT
)
(1)
= 10mA; T
Condition
V
I
I
I
I
I
I
I
I
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
OUT
ADJ
IN
= V
will be less than the output current, due to drive current being supplied by V
= 3A
= 10mA to A
= 1.5A
= 3A
= 3A
= 10mA
= 3A
= 10mA
= 1.2V
= 0V
A
OUT
= 25°C, bold values indicate –40°C≤ T
+1V to 6.5V
3
Operating Ratings
Supply Voltage (V
Bias Supply Voltage (V
Junction Temperature (T
Maximum Power Dissipation..................................... Note 4
Package Thermal Resistance
BIAS
TO-252 (θ
TO-252 (θ
input.
JC
JA
).......................................................56°C/W
) ........................................................3°C/W
IN
)......................................... 1.4V to 6.5V
BIAS
J
(2)
) ..................–40°C ≤ T
0.891
0.882
)................................. 3V to 6.5V
–0.1
Min
J
≤ +125°C, unless noted.
0.01
1.24
0.01
Typ
105
230
168
0.2
6.5
0.9
25
25
20
50
10
M9999-102309-A
0.909
0.918
Max
+0.1
200
400
150
0.5
2.1
50
35
10
1
BIAS
MIC47300
J
.
≤ +125°C
Units
%/V
mV
mV
mA
mA
mA
mA
μA
°C
°C
%
V
A
V
V