MIC61300 Datasheet, PDF (5/22 Pages) Micrel Semiconductor – Low Input Voltage, Single-Supply High-Current LDO

Micrel, Inc.
Typical Characteristics
Dropout Voltage
vs. Input Voltage
300
ADJUSTABLE OPTION
250
V_FB = 0V
200
IOUT = 3A
150
100
IOUT = 1.5A
50
IOUT = 100mA
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
0.510
0.505
Feedback Voltage
vs. Input Voltage
V_OUT = 1.0V
IOUT = 10mA
0.500
0.495
0.490
1.0 1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
Short-Circuit Current
vs. Input Voltage
10
8
V_OUT = 0V
6
4
2
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
GND Pin Current
vs. Input Voltage
20
16
V_IN = V_OUT + 0.4V
I_OUT = 3A
12
8
4
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
Feedback Pin Current
vs. Input Voltage
30
25
IOUT = 0A
20
V_FB = 0.5V
15
10
5
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
Enable Pin Current
vs. Input Voltage
20
15
10
V_OUT = 1.0V
I_OUT = 10mA
5
V_EN = 3.6V
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
MIC61300
Shutdown Ground Current
vs. Input Voltage
1.0
0.8
V_OUT = 0V
V_EN = 0V
0.6
0.4
0.2
0.0
1.0
2.0
3.0
4.0
INPUT VOLTAGE (V)
Load Regulation
vs. Input Voltage
0.10
0.05
0.00
-0.05
VOUT = 1.0V
IOUT = 10mA to 3A
-0.10
1.0 1.5 2.0 2.5 3.0 3.5 4.0
INPUT VOLTAGE (V)
10
8
6
4
2
0
0
Charge Pump Voltage
vs. Input Voltage
V_OUT = 0.5V
I_OUT = 50mA
1
2
3
4
INPUT VOLTAGE (V)
September 2010
5
M9999-092910-A