Overvoltage Protection with USB Charger

Detection, LDO, and ESD Protection on D+/D-

4

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NORMALIZED LDO OUTPUT VOLTAGE

vs. OUTPUT CURRENT

OUTPUT CURRENT (mA)

40

20

80

60

0.990

0.985

0.995

1.000

1.005

1.010

0.980

0

100

30

10

70

50

90

LDO OUTPUT DROPOUT VOLTAGE

vs. LOAD CURRENT

LOAD CURRENT (mA)

60

90

50

10

40

300

200

500

600

800

100

400

700

900

1000

0

0100

70

30

20

80

°C

°C

°C

LDO OUTPUT VOLTAGE vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

67

4

25

13

1.5

1.0

0.5

2.0

2.5

3.0

3.5

4.0

0

08

MAX14529E

NORMALIZED DEBOUNCE TIME

vs. TEMPERATURE

TEMPERATURE (

°C)

10

-15

60

35

0.98

0.94

1.00

1.04

0.96

0.92

1.02

1.06

1.08

1.10

0.90

-40

85

POWER-UP RESPONSE

MAX14529E/30E toc08

5ms/div

5V/div

5V/div

5V/div

1V/div

OVERVOLTAGE FAULT RESPONSE

MAX14529E/30E toc09

1

μs/div

2V/div

2V/div

5V/div

CDET RESPONSE

MAX14529E/30E toc10

100

μs/div

2V/div

2V/div

2V/div

D+/D- INPUT LEAKAGE CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

10

-15

60

35

0.04

0.02

0.05

0.07

0.03

0.01

0.06

0.08

0.09

0.10

0

-40

85

INPUT CAPACITANCE

vs. D+/D- INPUT VOLTAGE

D+/D- INPUT VOLTAGE (V)

2.0

1.0

4.0

3.0

3

2

1

4

5

6

0

0

5.5

1.5

0.5

3.5

2.5

4.5

Typical Operating Characteristics (continued)