MAX15008 Datasheet, PDF (8/23 Pages) Maxim Integrated Products – Automotive 300mA LDO Voltage Regulators with Tracker Output and Overvoltage Protector

Automotive 300mA LDO Voltage Regulators
with Tracker Output and Overvoltage Protector
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.)
1000
900
800
700
600
500
400
300
200
100
0
0
LDO DROPOUT VOLTAGE
vs. LOAD CURRENT
STARTUP RESPONSE THROUGH V_IN
MAX15008 toc18
V_IN
10V/div
0V
I_{OUT_LDO} = 100mA
I_{OUT_TRK} = 100mA
V_RESET ^{EN_LDO = EN_TRK = IN}
5V/div
0V
V_IN
20V/div
V_{EN_LDO}
5V/div
V_RESET
5V/div
STARTUP RESPONSE THROUGH EN
MAX15008 toc19
0V
0V
I_{OUT_LDO} = 100mA
I_{OUT_TRK} = 100mA
V_{EN_TRK} = V_{EN_LDO}
0V
V_{OUT_LDO}
5V/div
V_{OUT_LDO}
0V ^5V/div
0V
V_{OUT_TRK}
5V/div
V_{OUT_TRK}
0V 5V/div
0V
100
200
300
I_{OUT_LDO} (mA)
20ms/div
20ms/div
V_IN
10V/div
V_RESET
5V/div
SHUTDOWN RESPONSE THROUGH V_IN
MAX15008 toc20
I_{OUT_LDO} = 100mA
I_{OUT_TRK} = 70mA
0V
V_{EN_TRK} = V_{EN_LDO} = V_IN
0V
V_{OUT_LDO}
5V/div
0V
V_{OUT_TRK}
5V/div
0V
20ms/div
V_IN
20V/div
V_{EN_LDO}
5V/div
SHUTDOWN RESPONSE THROUGH EN
MAX15008 toc21
0V
0V
V_RESET
5V/div
0V
V_{OUT_LDO}
5V/div
0V
EN_LDO = EN_TRK
V_{OUT_TRK}
I_{OUT_LDO} = 100mA
5V/div
I_{OUT_TRK} = 70mA
0V
400μs/div
V_{EN_LDO}
5V/div
V_{OUT_LDO}
5V/div
HOLD
5V/div
RESET
5V/div
LDO, EN_LDO, AND HOLD TIMING
MAX15008 toc22
0V
HOLD PULLED UP
0V
TO OUT_LDO
0V
0V
200ms/div
GROUND CURRENT DISTRIBUTION
HISTOGRAM (-40°C)
70
60
50
40
30
20
10
0
44 47 50 53 56 59 62 65 68 71 74 77 80
GROUND CURRENT (μA)
GROUND CURRENT DISTRIBUTION
HISTOGRAM (+125°C)
70
60
50
40
30
20
10
0
44 47 50 53 56 59 62 65 68 71 74 77 80
GROUND CURRENT (μA)
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