Manual

MAX15008/MAX15010
Automotive 300mA LDO Voltage Regulators
with Tracker Output and Overvoltage Protector
6 _______________________________________________________________________________________
Typical Operating Characteristics
(V
IN
= V
EN_
= +14V, C
IN
= 10µF, C
OUT_LDO
= 22µF, C
TRACK
= C
OUT_TRK
= 10µF, V
OUT_LDO
= 5V, FB_LDO = SGND, T
A
= +25°C,
unless otherwise specified.)
LDO GROUND CURRENT
vs. LOAD CURRENT
MAX15008 toc01
LOAD CURRENT (mA)
0 0.3 0.6 0.90.1 0.4 0.70.2 0.5 0.8 1.0
74
70
72
68
66
64
62
60
58
56
54
52
GROUND CURRENT (μA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
LDO GROUND CURRENT
vs. LOAD CURRENT
MAX15008 toc02
LOAD CURRENT (mA)
0 75 150 22525 100 17550 125 200 250 275 300
100
90
110
80
70
60
50
GROUND CURRENT (μA)
T
A
= +25°C
T
A
= -40°C
T
A
= +85°C
T
A
= +125°C
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX15008 toc03
TEMPERATURE (°C)
20 40-40 100-60 12080060-20 140
25
20
30
15
10
5
0
I
SHDN
(μA)
LDO POWER-SUPPLY REJECTION RATIO
MAX15008 toc04
FREQUENCY (Hz)
0.01 1010.1 100 1000
0
-10
-20
-30
-40
-50
-60
-70
PSRR (dB)
I
OUT_LDO
= 10mA
TRACKER POWER-SUPPLY REJECTION RATIO
MAX15008 toc05
FREQUENCY (kHz)
0.1 101 100 1000
0
-10
-20
-30
-40
-50
-60
-70
TRACKER PSRR (dB)
I
OUT_LDO
= 10mA
V
IN
UVLO HYSTERESIS
vs. TEMPERATURE
MAX15008 toc06
TEMPERATURE (°C)
-50 7525-25 125500 100 150
400
350
300
250
200
150
100
UVLO HYSTERESIS (mV)
REF VOLTAGE
vs. TEMPERATURE
MAX15008 toc07
TEMPERATURE (°C)
-50 7525-25 125500 100 150
1.245
1.240
1.235
1.230
1.225
1.220
V
REF
(V)
LDO OUTPUT VOLTAGE
vs. INPUT VOLTAGE
MAX15008 toc08
V
IN
(V)
02010 30 40
6
5
4
3
2
1
0
V
OUT_LDO
(V)
I
OUT_LDO
= 10mA
I
OUT_LDO
= 300mA
(PULSED)