Typical operating characteristics (continued) – Rainbow Electronics MAX15010 User Manual
Page 8
MAX15008/MAX15010
Automotive 300mA LDO Voltage Regulators
with Tracker Output and Overvoltage Protector
8
_______________________________________________________________________________________
LDO DROPOUT VOLTAGE
vs. LOAD CURRENT
MAX15008 toc17
I
OUT_LDO
(mA)
0
200
100
300
1000
800
600
400
200
900
700
500
300
100
0
LDO DROPOUT VOLTAGE (mV)
STARTUP RESPONSE THROUGH V
IN
MAX15008 toc18
20ms/div
V
IN
10V/div
0V
0V
0V
0V
V
RESET
5V/div
V
OUT_LDO
5V/div
V
OUT_TRK
5V/div
I
OUT_LDO
= 100mA
I
OUT_TRK
= 100mA
EN_LDO = EN_TRK = IN
STARTUP RESPONSE THROUGH EN
MAX15008 toc19
20ms/div
I
OUT_LDO
= 100mA
I
OUT_TRK
= 100mA
V
EN_TRK
= V
EN_LDO
V
IN
20V/div
V
EN_LDO
5V/div
V
RESET
5V/div
V
OUT_LDO
5V/div
V
OUT_TRK
5V/div
0V
0V
0V
0V
0V
SHUTDOWN RESPONSE THROUGH V
IN
MAX15008 toc20
20ms/div
I
OUT_LDO
= 100mA
I
OUT_TRK
= 70mA
V
EN_TRK
= V
EN_LDO
= V
IN
V
IN
10V/div
V
OUT_LDO
5V/div
V
OUT_TRK
5V/div
0V
0V
0V
0V
V
RESET
5V/div
SHUTDOWN RESPONSE THROUGH EN
MAX15008 toc21
400
μs/div
EN_LDO = EN_TRK
I
OUT_LDO
= 100mA
I
OUT_TRK
= 70mA
V
OUT_LDO
5V/div
V
OUT_TRK
5V/div
0V
0V
0V
0V
0V
V
RESET
5V/div
V
EN_LDO
5V/div
V
IN
20V/div
LDO, EN_LDO, AND HOLD TIMING
MAX15008 toc22
200ms/div
V
EN_LDO
5V/div
V
OUT_LDO
5V/div
HOLD
5V/div
RESET
5V/div
0V
0V
0V
0V
HOLD PULLED UP
TO OUT_LDO
GROUND CURRENT DISTRIBUTION
HISTOGRAM (T
A
= -40
°C)
MAX15008 toc23
GROUND CURRENT (
μA)
77
79
75
73
71
69
67
65
70
50
30
10
60
40
20
0
NUMBER OF PARTS
GROUND CURRENT DISTRIBUTION
HISTOGRAM (T
A
= +125
°C)
MAX15008 toc24
GROUND CURRENT (
μA)
80
60
50
30
10
70
40
20
0
NUMBER OF PARTS
73
77
69
65
57
61
53
49
45
47
51
55
59
63
67
71
75
79
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.)