MIC49200 Datasheet, PDF (3/12 Pages) Micrel Semiconductor – 2A LOW VOLTAGE LDO WITH DUAL INPUT VOLTAGES

Micrel, Inc.
MIC49200
Absolute Maximum Ratings⁽¹⁾
Operating Ratings⁽²⁾
Supply Voltage (V_IN) ................................................ 8V
Bias Supply Voltage (V_BIAS) ..................................... 8V
Enable Input Voltage (V_EN)...................................... 8V
Power Dissipation............................. Internally Limited
ESD Rating⁽³⁾ .........................................................3kV
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 6.5V
Junction Temperature ...................-40°C ≤ T_J ≤ +125°C
Package Thermal Resistance
S-Pak (θ_JA) ................................................. 2°C/W
Electrical Characteristics⁽⁴⁾
T_A = 25°C with V_BIAS = V_OUT + 2.2V; V_IN = V_OUT + 1V; bold values indicate –40°C ≤ T_J ≤ +125°C⁽⁵⁾, unless noted.
Parameter
Conditions
Min
Typ
Max Units
Output Voltage Accuracy
At 25°C
Over temperature range (I_OUT = 10mA)
-1
+1
%
-2
+2
%
Line Regulation
Load Regulation
V_IN = V_OUT + 1V to 6.5V
I_L = 10mA to 2A
-0.1
0.01
+0.1
%/V
0.2
1
%
1.5
%
Dropout Voltage (V_IN – V_OUT)
(Note 5)
I_L = 750mA
130
200
mV
300
mV
I_L = 1.5A
280
400
mV
500
mV
I_L = 2A
400
530
mV
625
mV
Dropout Voltage (V_BIAS – V_OUT)
(Note 5)
I_L = 750mA
I_L = 1.5A
1.3
V
1.65
1.9
V
2.1
V
I_L = 2A
1.75
2.0
V
2.2
V
Ground Current (Note 6)
I_L = 0mA
I_L = 2A
15
mA
15
25
mA
30
mA
Ground Pin Current in Shutdown VEN ≤ 0.6V, (VBIAS + IINPUT) (Note 7)
0.5
1
µA
2
µA
Current thru V_BIAS
I_L = 0mA
9
15
mA
25
mA
Current Limit
I_L = 2A
V_OUT = 0V
40
120
mA
2.5
3.5
5.3
A
6
A
Enable Input Threshold
Regulator enable
1.6
V
Regulator shutdown
0.6
V
Enable Pin Input Current
Independent of state
0.1
1
µA
Reference
Reference Voltage
Adjustable version
0.891
0.9
0.909
V
0.882
0.918
V
January 2006
3
M9999-011306
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