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MAX15009 Datasheet(PDF) 6 Page - Maxim Integrated Products

Part No. MAX15009
Description  Automotive 300mA LDO Regulators with Switched Output and Overvoltage Protector
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX15009 Datasheet(HTML) 6 Page - Maxim Integrated Products

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Automotive 300mA LDO Regulators with
Switched Output and Overvoltage Protector
6
_______________________________________________________________________________________
Typical Operating Characteristics
(VIN = VEN_LDO = VEN_PROT = VEN_SW = +14V, CIN = 10µF, COUT_LDO = 22µF, COUT_SW = 1µF, VOUT_LDO = +5V, FB_LDO = SGND,
TA = +25°C, unless otherwise specified.)
LDO GROUND CURRENT
vs. LOAD CURRENT
LOAD CURRENT (mA)
0
0.3
0.6
0.9
0.1
0.4
0.7
0.2
0.5
0.8
1.0
90
85
80
75
70
65
60
55
TA = -40
°C
TA = +25
°C
TA = +125
°C
TA = +85
°C
LDO GROUND CURRENT
vs. LOAD CURRENT
LOAD CURRENT (mA)
0
75
150
225
25
100
175
50
125
200
250 275 300
130
120
140
110
100
90
80
70
60
TA = -40
°C
TA = +25
°C
TA = +85
°C
TA = +125
°C
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (
°C)
-60
0
-40
100
80
60
120
-20
20 40
140
30
25
35
20
15
10
5
0
LDO LOAD-TRANSIENT RESPONSE
MAX15009 toc09
400
μs/div
IOUT_LDO
100mA/div
0A
VOUT_LDO
5V, AC-COUPLED
100mV/div
LDO POWER-SUPPLY
REJECTION RATIO vs. FREQUENCY
FREQUENCY (Hz)
10
100k
10k
100
1k
1M
-10
-20
0
-30
-40
-50
-60
-70
-80
-90
IOUT_LDO = 10mA
VIN UVLO HYSTERESIS
vs. TEMPERATURE
TEMPERATURE (
°C)
-50
75
25
-25
125
50
0
100
150
400
350
300
250
200
150
100
LDO LOAD REGULATION
IOUT_LDO (mA)
0
200
100
300
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
LDO LOAD-TRANSIENT RESPONSE
MAX15009 toc08
2ms/div
VOUT_LDO
5V, AC-COUPLED
20mV/div
IOUT_LDO
100mA/div
0A
LDO OUTPUT VOLTAGE
vs. INPUT VOLTAGE
VIN (V)
025
15
535
20
10
30
40
6
5
4
3
2
1
0
IOUT_LDO = 10mA
IOUT_LDO = 300mA
(PULSED)


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