MIC69301_11 Datasheet, PDF (4/13 Pages) Micrel Semiconductor – Single Supply VIN, Low VIN, Low VOUT, 3ALDO

Micrel, Inc.
MIC69301/2/3
Absolute Maximum Ratings⁽¹⁾
Supply Input Voltage (V_IN to GND) .................. –0.3V to +6V
Logic Input Voltage (V_EN to GND). .......–0.3V to (V_IN + 0.3V)
Fault Flag(V_FLG to GND ..................................... –0.3V to 6V
Storage Temperature (T_S).........................–65°C to +125°C
Lead Temperature(T_S) .............................................. 260°C
ESD⁽⁴⁾ ............................................................................. 2kV
Operating Ratings⁽²⁾
Supply Voltage (V_IN)....................................... 1.65V to 5.5V
Enable Input Voltage (V_EN)..................................... 0V to V_IN
Junction Temperature (T_J) ..................–40°C ≤ T_J ≤ +125°C
Power Dissipation (P_D)........................... Internally Limited⁽³⁾
Package Thermal Resistance
S-PAK-5 (θ_JC).......................................................2°C/W
S-PAK-5 (θ_JA).....................................................38°C/W
TO-263-5 (θ_JC) .....................................................2°C/W
ePad SOIC-8 (θ_JA) .............................................41°C/W
4x4 MLF-12L(θ_JA) .............................................60°C/W
Electrical Characteristics⁽⁴⁾
T_A = 25°C with V_IN = V_OUT + 1V; bold values indicate –40°C< T_J < +125°C; I_OUT = 10mA; C_OUT = 10µF ceramic, unless noted.
Parameter
Test Conditions
Min
Typ
Max
Unit
Power Input Supply
Input Voltage Range (V_IN)
1.65
5.5
V
Ground Pin Current
I_OUT = 10mA
I_OUT = 1.5A
1.2
5
mA
12
30
mA
I_OUT = 3.0A
32
75
mA
Ground Pin Current in Shutdown
Output Voltage
V_EN = 0V; V_IN = 2.0V; V_OUT = 0V
1
µA
Output Voltage (Fixed)
-2.0
2.0
%
Load Regulation
Line Regulation⁽⁵⁾
Reference (Adjustable)
I_OUT = 10mA to 3A
V_IN = V_OUT + 1.0V to 5.5V
±0.3
%
0.2
0.3
%/V
Feedback Reference Voltage
(ADJ Pin)
(+/- 2.0%)
0.490
0.5
0.510
V
Feedback Bias Current
Current Limit
V_ADJ = 0.5V
0.25
1.0
µA
Current Limit
Power Dropout Voltage
V_OUT = 0V
3.3
5.2
A
Dropout Voltage (V_IN - V_OUT)⁽⁶⁾
Enable Input
I_OUT = 1.5A
I_OUT = 3.0A
200
300
mV
275
500
mV
Enable Input Threshold
Regulator Enabled
Regulator Shutdown
0.8
0.57
V
0.2
V
Enable Pin Bias Current
V_EN ≤ 0.2V ( Regulator Shutdown)
V_EN ≥ 0.8V ( Regulator Enabled)
0.0
µA
7.0
µA
Turn-on Time
Fault Output
90% of typical V_OUT; V_EN = V_IN
10
150
µs
Fault Threshold Voltage
Fault Hysteresis
Fault Output Low Voltage
% of V_OUT below nominal output
(V_OUT Falling)
I_FLG = 250μA (sinking), V_EN = 0V
7.5
10
14
%
2.0
%
150
mV
March 2011
4
M9999-032111-F