MAX15008 Datasheet, PDF (6/23 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
(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
90
T_A = -40°C
85
80 TA = +25°C
75
T_A = +85°C
70
65
T_A = +125°C
60
55
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
LOAD CURRENT (mA)
LDO GROUND CURRENT
vs. LOAD CURRENT
140
130
T_A = +25°C
120 T_A = -40°C
110
100
90
T_A = +85°C
80
70
T_A = +125°C
60 _{0 25 50 75 100 125 150 175 200 225 250 275 300}
LOAD CURRENT (mA)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
30
25
20
15
10
5
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
LDO POWER-SUPPLY REJECTION RATIO
0
-10
TRACKER POWER-SUPPLY REJECTION RATIO
0
400
I_{OUT_LDO} = 10mA
-10
350
V_IN UVLO HYSTERESIS
vs. TEMPERATURE
-20
-20
300
-30
-30
250
-40
-40
200
-50
-50
-60
-70
0.01
I_{OUT_LDO} = 10mA
0.1
1
10 100 1000
FREQUENCY (Hz)
-60
-70
0.1
1
10
100
1000
FREQUENCY (kHz)
150
100
-50 -25
0 25 50 75 100 125 150
TEMPERATURE (°C)
REF VOLTAGE
vs. TEMPERATURE
1.245
1.240
1.235
1.230
LDO OUTPUT VOLTAGE
vs. INPUT VOLTAGE
6
I_{OUT_LDO} = 10mA
5
I_{OUT_LDO} = 300mA
4
(PULSED)
3
2
1.225
1
1.220
-50 -25
0 25 50 75 100 125 150
TEMPERATURE (°C)
0
0
10
20
30
40
V_IN (V)
6 _______________________________________________________________________________________