Manual

MAX15008/MAX15010
Automotive 300mA LDO Voltage Regulators
with Tracker Output and Overvoltage Protector
_______________________________________________________________________________________ 7
LDO LOAD-TRANSIENT RESPONSE
MAX15008 toc09
2ms/div
V
OUT_LDO
5V, AC-COUPLED
20mV/div
I
OUT_LDO
100mA/div
0A
LDO LOAD-TRANSIENT RESPONSE
MAX15008 toc10
400μs/div
I
OUT_LDO
100mA/div
0A
V
OUT_LDO
5V, AC-COUPLED
100mV/div
LDO OUTPUT VOLTAGE
vs. TEMPERATURE
MAX15008 toc11
TEMPERATURE (°C)
-50 7525-25 125500 100 150
5.10
5.05
5.00
4.95
4.90
4.85
4.80
V
OUT_LDO
(V)
I
OUT_LDO
= 100μA I
OUT_LDO
= 10mA
V
IN
= 8V
I
OUT_LDO
= 100mA
I
OUT_LDO
= 300mA
TRACKER LOAD-TRANSIENT RESPONSE
MAX15008 toc12
400μs/div
I
OUT_TRK
50mA/div
0A
V
OUT_TRK
5V, AC-COUPLED
20mV/div
LINE-TRANSIENT RESPONSE
MAX15008 toc15
40ms/div
V
OUT_LDO
3.3V, AC-COUPLED
50mV/div
V
OUT_TRK
3.3V, AC-COUPLED
50mV/div
V
IN
20V/div
V
OUT_PROT
20V/div
0V
0V
LINE-TRANSIENT RESPONSE
MAX15008 toc16
40ms/div
V
OUT_LDO
3.3V, AC-COUPLED
20mV/div
V
OUT_TRK
3.3V, AC-COUPLED
20mV/div
V
IN
10V/div
V
OUT_PROT
10V/div
0V
0V
TRACKER ACCURACY
vs. LOAD CURRENT
MAX15008 toc13
I
OUT_TRK
(mA)
50100204030 60 70
-0.5
-1.0
0
-1.5
-2.0
-2.5
-3.0
V
ADJ
- V
OUT_TRK
(mV)
ADJ = OUT_LDO
FB_TRK = OUT_TRK
TRACKER ACCURACY (V
FB_TRK
= V
ADJ
)
vs. TEMPERATURE
MAX15008 toc14
TEMPERATURE (°C)
0 125-75 100755025-25-50 150
2
1
3
0
-1
-2
-3
-4
TRACKER ACCURACY (mV)
I
OUT_TRK
= 100μA
I
OUT_TRK
= 1mA
I
OUT_TRK
= 70mA
Typical Operating Characteristics (continued)
(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.)