MIC5295 Datasheet, PDF (4/11 Pages) Micrel Semiconductor – Low Quiescent Current, 150mA LDO Regulator

Micrel, Inc.
Typical Characteristics
PSRR
-100
-90
-80
VIN = 10V
VOUT = 2.5V
COUT = 2.2µF
-70
-60
150mA
-50
-40
-30
-20
100µA
-10
0
1¹.E⁰+0 1¹.E⁰⁰+0 1.¹E^K+0 1¹.E^0K+0 1¹.⁰E⁰+^K0 1.¹E^M+0 1¹.E⁰+^M0
1
2 F3REQ UE4NCY (5Hz) 6
7
Ground Current
v s. Input Voltage
2.5
150mA
2.0
VOUT = 1.36V
1.5 ^{COUT = 2.2µF}
100mA
1.0
50mA
0.5
0.0
2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.8
INPUT VOLT AGE (V)
100
90
80
70
60
50
40
30
20
10
0
4
Ground Current
v s. Input Voltage
VOUT = 3V
COUT = 2.2µF
10mA
100µA
8
12
16
20
24
INPUT VOLT AGE (V)
Output Voltage
v s. Input Voltage
3.2
COUT = 2.2µF
3.1
100µA
3.0
2.9
75mA
150mA
2.8
0
5
10
15
20
25
INPUT VO LT AG E (V)
November 2009
350
300
250
200
150
100
50
0
0
Dropout Voltage
vs. Output Current
VOUT = 2.5V
COUT = 2.2µF
25 50 75 100 125 150
OUT PUT CURRENT (mA)
Ground Current
v s. Input Voltage
90
80
70
60
10mA
50
40
100µA
30
20
10
VOUT = 1.36V
COUT = 2.2µF
0
2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.8
INPUT VO LT AGE (V)
Ground Current
vs. Output Current
2.50
2.25
2.00
VOUT = 3V
COUT = 2.2µF
VIN = 12V
1.75
1.50
1.25
VIN = 4V
1.00
0.75
0.50
0.25
VIN = 24V
0.00
0
25 50 75 100 125 150
OUT PUT CURRENT (mA)
Current limit
v s. Input Voltage
500
450
400
350
300
250
200
0
5 10 15 20 25 30 35 40
INPUT VO LT AGE (V)
4
MIC5295
Dropout Voltage
vs. Temperature
450
400
150mA
350
300
250
200
50mA
150
100
50
0
-40
100mA
VOUT = 2.5V
COUT = 2.2µF
-20 0 20 40 60 80 100 120
T EM PERAT URE (°C)
Ground Current
v s. Input Voltage
2.5
VOUT = 3V
COUT = 2.2µF
2.0
150mA
1.5
100mA
1.0
50mA
0.5
0.0
4
8
12
16
20
24
INPUT VOLT AGE (V)
Ground Current
vs. Temperature
3.0
150mA
2.5
2.0
VOUT = 3V
COUT = 2.2µF
1.5
100mA
1.0
50mA
0.5
0.0
-40 -20
0 20 40 60 80 100 120
T EM PERAT URE (°C)
MIC5295 - Output Noise
Spectral Density
10
1
0.1
0.01
VIN = 4.5V
VOUT = 3V
COUT = 2.2µF
0.001
1.E¹⁰+01 1.¹E⁰+⁰02 1.¹E^K+03 1.¹E⁰+^K04 1¹.⁰E⁰+^K05 1.¹E^M+06
FREQUENCY (Hz)
M9999-110209-A