Typical operating characteristics (continued) – Rainbow Electronics MAX15010 User Manual

Page 9

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MAX15008/MAX15010

Automotive 300mA LDO Voltage Regulators

with Tracker Output and Overvoltage Protector

_______________________________________________________________________________________

9

PROTECTOR GATE VOLTAGE

vs. INPUT VOLTAGE (MAX15008 ONLY)

MAX15008 toc25

V

IN

(V)

20

25

15

30

40

10

35

5

0

50

40

30

20

45

35

25

10

0

15

5

GATE VOLTAGE (V)

V

GATE

V

IN

PROTECTOR STARTUP RESPONSE

(MAX15008 ONLY)

MAX15008 toc26

10ms/div

V

IN

10V/div

V

GATE

10V/div

V

OUT_PROT

10V/div

I

OUT_PROT

= 1A

0V

0V

0V

OVERVOLTAGE SWITCH FAULT

(MAX15008 ONLY)

MAX15008 toc27

400

μs/div

V

IN

10V/div

V

GATE

20V/div

V

OUT_PROT

20V/div

0V

0V

0V

I

OUT_PROT

= 1A

V

OV

= 25V

OVERVOLTAGE LIMIT FAULT

(MAX15008 ONLY)

MAX15008 toc28

40ms/div

V

IN

20V/div

V

GATE

20V/div

V

OUT_PROT

20V/div

I

OUT_PROT

= 1A

OV THRESHOLD = 35V

0V

0V

0V

RESET TIMEOUT DELAY

vs. C

RESET

MAX15008 toc29

C

RESET

(nF)

8

6

2

10

4

0

7

5

3

6

4

2

0

1

RESET TIMEOUT DELAY (ms)

RESET TIMEOUT DELAY

vs. TEMPERATURE

MAX15008 toc30

TEMPERATURE (

°C)

-25

25

0

100 125

50

150

75

-50

0

0.6

1.2

1.8

0.4

1.0

1.6

0.2

0.8

1.4

2.0

RESET TIMEOUT DELAY (ms)

C

RESET

= 2.2nF

C

RESET

= 220pF

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.)

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