Typical operating characteristics – Rainbow Electronics MAX15010 User Manual

Page 6

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MAX15008/MAX15010

Automotive 300mA LDO Voltage Regulators
with Tracker Output and Overvoltage Protector

6

_______________________________________________________________________________________

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

MAX15008 toc01

LOAD CURRENT (mA)

0

0.3

0.6

0.9

0.1

0.4

0.7

0.2

0.5

0.8

1.0

74

70

72

68

66

64

62

60

58

56

54

52

GROUND CURRENT (

μ

A)

T

A

= -40

°C

T

A

= +25

°C

T

A

= +85

°C

T

A

= +125

°C

LDO GROUND CURRENT

vs. LOAD CURRENT

MAX15008 toc02

LOAD CURRENT (mA)

0

75

150

225

25

100

175

50

125

200

250 275 300

100

90

110

80

70

60

50

GROUND CURRENT (

μ

A)

T

A

= +25

°C

T

A

= -40

°C

T

A

= +85

°C

T

A

= +125

°C

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE

MAX15008 toc03

TEMPERATURE (

°C)

20 40

-40

100

-60

120

80

0

60

-20

140

25

20

30

15

10

5

0

I

SHDN

A)

LDO POWER-SUPPLY REJECTION RATIO

MAX15008 toc04

FREQUENCY (Hz)

0.01

10

1

0.1

100

1000

0

-10

-20

-30

-40

-50

-60

-70

PSRR (dB)

I

OUT_LDO

= 10mA

TRACKER POWER-SUPPLY REJECTION RATIO

MAX15008 toc05

FREQUENCY (kHz)

0.1

10

1

100

1000

0

-10

-20

-30

-40

-50

-60

-70

TRACKER PSRR (dB)

I

OUT_LDO

= 10mA

V

IN

UVLO HYSTERESIS

vs. TEMPERATURE

MAX15008 toc06

TEMPERATURE (

°C)

-50

75

25

-25

125

50

0

100

150

400

350

300

250

200

150

100

UVLO HYSTERESIS (mV)

REF VOLTAGE

vs. TEMPERATURE

MAX15008 toc07

TEMPERATURE (

°C)

-50

75

25

-25

125

50

0

100

150

1.245

1.240

1.235

1.230

1.225

1.220

V

REF

(V)

LDO OUTPUT VOLTAGE

vs. INPUT VOLTAGE

MAX15008 toc08

V

IN

(V)

0

20

10

30

40

6

5

4

3

2

1

0

V

OUT_LDO

(V)

I

OUT_LDO

= 10mA

I

OUT_LDO

= 300mA

(PULSED)

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