Typical operating characteristics – Rainbow Electronics MAX16915 User Manual

Page 4

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Ideal Diode, Reverse-Battery, and Overvoltage Protection

Switch/Limiter Controllers with External MOSFETs

MAX16914/MAX16915

4 ______________________________________________________________________________________

Typical Operating Characteristics

(V

CC

= 14V, V

SHDN

= 14V, MAX16914/MAX16915 Evaluation Kit, T

A

= +25NC, unless otherwise noted.)

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX16914 toc01

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (µA)

17.0

12.0

14.5

9.5

7.0

15

20

25

30

10

4.5

19.0

TERM = OPEN
SHDN = HIGH
SET = 0V
NO LOAD

MAX16914

MAX16915

SUPPLY CURRENT

vs. TEMPERATURE

MAX16914 toc02

TEMPERATURE (NC)

SUPPLY CURRENT

(F

A)

110

85

60

35

10

-15

15

20

25

30

35

40

10

-40

125

TERM = OPEN
SHDN = HIGH
SET = 0V, V

CC

= 14V

NO LOAD

MAX16915

MAX16914

SHUTDOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX16914 toc03

SUPPLY VOLTAGE (V)

SUPPLY CURRENT

(F

A)

17.0

14.5

12.0

9.5

7.0

2

4

6

8

10

0

4.5

19.0

SHDN = LOW
SET = 0V

MAX16915

MAX16914

UVLO THRESHOLD

vs. TEMPERATURE

MAX16914 toc04

TEMPERATURE (NC)

UVLO TRESHOLD (V)

110

85

-15

10

35

60

3.6

3.7

3.8

3.9

4.0

4.1

4.2

4.3

3.5

-40

125

RISING

FALLING

SET THRESHOLD

vs. TEMPERATURE

MAX16914 toc05

TEMPERATURE (NC)

SET THRESHOLD (V)

110

85

60

35

10

-15

1.15

1.20

1.25

1.10

-40

125

RISING

FALLING

POWER-UP RESPONSE

MAX16914 toc06

40µs/div

V

CC

10V/div

V

OUT

10V/div

V

GATE1

10V/div

V

GATE2

10V/div

22µF INPUT AND OUTPUT CAPACITOR,
R

OUT

= 100I, SHDN = HIGH

STARTUP FROM

SHUTDOWN RESPONSE

MAX16914 toc07

20µs/div

100µF INPUT CAPACITOR, 122µF
OUTPUT CAPACITOR, R

OUT

= 100I

V

SHDN

2V/div

V

OUT

10V/div

V

GATE1

10V/div

14V

14V

0V

0V

V

GATE2

10V/div

OVERVOLTAGE LIMITER RESPONSE

(MAX16915)

MAX16914 toc08

400µs/div

100µF INPUT CAPACITOR, 22µF
OUTPUT CAPACITOR, R

OUT

= 100I

C

OV

= 10nF

V

CC

= 14V TO 30V

TRIP THRESHOLD = 22V

V

CC

20V/div

V

OUT

20V/div

0V

14V

14V

14V

30V

V

GATE2

20V/div

V

OV

20V/div

OVERVOLTAGE SWITCH-OFF

RESPONSE (MAX16914)

MAX16914 toc09

1.0µs/div

100µF INPUT CAPACITOR, 22µF
OUTPUT CAPACITOR, R

OUT

= 100I

V

CC

10V/div

V

OUT

10V/div

14V

30V

30V

14V

14V

0V

0V

20V

V

GATE2

20V/div

V

OV

20V/div

V

CC

= 14V TO 30V

TRIP THRESHOLD = 22V

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