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MAX16929

Automotive TFT-LCD Power Supply with Boost

Converter and Gate Voltage Regulators

Typical Operating Characteristics

LOAD-TRANSIENT RESPONSE (BUCK)

MAX16929 toc06

1A/div

1.8A

0.2A

(AC-COUPLED)

100mV/div

400µs/div

STARTUP WAVEFORMS (BUCK)

MAX16929 toc05

5V/div

2A/div

2V/div

1ms/div

LOAD REGULATION (BUCK)

LOAD CURRENT (A)

1.6

1.2

0.8

0.4

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

-6

0

2.0

LINE REGULATION (BUCK)

INPUT VOLTAGE (V)

26

24

20 22

8 10 12 14 16 18

6

-3.2

-2.4

-1.6

-0.8

0

0.8

1.6

2.4

3.2

4.0

-4.0

4

28

EFFICIENCY vs. LOAD CURRENT (BUCK)

LOAD CURRENT (A)

1.6

1.2

0.8

0.4

0

2.0

10

20

30

40

50

60

70

80

90

100

0

SHUTDOWN SUPPLY CURRENT (BUCK)

SUPPLY VOLTAGE (V)

24

20

16

12

8

2

4

6

8

10

12

14

16

18

20

0

4

28