MIC5310_11 Datasheet, PDF (6/11 Pages) Micrel Semiconductor – Dual 150mA μCap LDO in 2mm x 2mm MLF®

Micrel, Inc.
Typical Characteristics
MIC5310 - Output Noise
Spectral Density
10
1
0.1
0.01
V_in=V_out+1
C_out=1uF
C_{by p}=0.01u
F
V _t=3V
0.001
10
100 1,000 10,000 100,00 1,000,0 10,000,
0
00 000
Frequency (Hz)
Output Voltage
3.2
3.15
3.1
3.05
3
2.95
2.9
2.85
2.8
2.75
2.7
-40 -20
V_in = V_out + 1V
V_in = EN1 = EN2
V_out = 3V
I_out = 100 uA
C_out = 1 uF
0 20 40 60 80 100 120
Temperature (°C)
Dropout Voltage
50
V_out = 3 V
V_in = V_out + 1 V
1 50 mA
40
V_in = EN1 = EN2
C_out = 1 uF
30
100 mA
20
50 mA
10
10mA
100uA
0
-60 -40 -20
0 20 40 60 80 100 120 140
Temperature (°C)
Dropout Voltage
40
35
30
25
20
15
V_in=V_out+1
10
V_out=3V
C_out=1uF
5
0
0 20 40 60 80 100 120 140
Iout (mA)
•
Output Voltage vs Output
Current
3.3
3.2
3.1
3
2.9
2.8
2.7
0
V_in=V_out+1
V_out=3V
C_out=1uF
25
50
75
100 125 150
Output Current (mA)
Ground Current vs Output
Current
90
88
86
84
82
80
78
76
74
72
70
0
V_out=3V
V_in=V_out+1V
Ven1=V_en2=V_in
C_out1=C_out2=1uF
25
50
75
100 125 150
Output Current (mA)
MIC5310
Ground Current vs. Temperature
90
88
150 mA
86
84
82
80
100 mA
78
50 mA
76
100 uA
74
72
V_in = V_out + 1V
EN1 = V_in, EN2 =
GND
V_out = 3V
C_out = 1 uF
70
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
Dropout Characteristics
3.5
3
2.5
100uA
2
1.5
150mA
1
0.5
C_out=1uF
0
0
1
2
3
4
5
6
Input Voltage (V)
Current Limit vs. Input Voltage
600
580
560
540
520
500
480
460
440
420
400
2
C_out=1uF
V_en=V_in
3
4
5
Input Voltage (V)
March 2011
6
M9999-032411-C