LTC4160EPDC-PBF View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC4160EPDC-PBF

Switching Power Manager with USB On-The-Go And Overvoltage Protection

Linear Technology 

LTC4160/LTC4160-1

TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.

OTG Boost Quiescent Current

vs Battery Voltage

3.0

VOUT = BAT

2.5

2.0

1.5

1.0

0.5

2.7

3.0 3.3 3.6 3.9 4.2

BATTERY VOLTAGE (V)

41601 G25

OTG Boost Efficiency

vs Battery Voltage

100

95

VOUT = BAT

90

500mA LOAD

85

80

100mA LOAD

75

70

2.7

3.0 3.3 3.6 3.9 4.2

BATTERY VOLTAGE (V)

41601 G28

OTG Boost VBUS Voltage

vs Load Current

5.5

5.0

4.5

VBUS = 4.75V

4.0

IVBUS = 500mA

3.5

3.0

2.5

0

VOUT = BAT = 4.2V

VOUT = BAT = 3.8V

VOUT = BAT = 3.4V

VOUT = BAT = 3V

100 200 300 400 500 600 700

LOAD CURRENT (mA)

41601 G26

OTG Boost Start-Up Time

into Current Source Load vs

Battery Voltage

2.4

2.3

22μF ON VBUS, 22μF AND

2.2

LOAD THROUGH OVP

2.1

2.0

22μF ON VBUS,

1.9

NO OVP

1.8

22μF ON VBUS,

LOAD THROUGH OVP

1.7 VOUT = BAT

ILOAD = 500mA

1.6

2.7 3.0 3.3 3.6 3.9 4.2

BATTERY VOLTAGE (V)

41601 G29

OTG Boost Efficiency

vs Load Current

100

90

80

70

60

50

40

30

1

VOUT = BAT = 4.2V

VOUT = BAT = 3.8V

VOUT = BAT = 3.4V

VOUT = BAT = 3V

10

100

LOAD CURRENT (mA)

1000

41601 G27

OTG Boost Burst Mode Current

Threshold vs Battery Voltage

100

VOUT = BAT

90

80

70

60

50

40

30

20

10

0

2.7 3.0 3.3 3.6 3.9 4.2

BATTERY VOLTAGE (V)

41601 G30

OTG Boost Transient Response

OTG Boost Start-Up into Current

Source Load

OTG Boost Burst Mode Operation

VBUS

50mV/DIV

AC COUPLED

IVBUS

200mA/DIV

0mA

VOUT = 3.8V

20μs/DIV

IVBUS

200mA/DIV

0mA

VBUS

2V/DIV

0V

41601 G31

VOUT = 3.8V 200μs/DIV

ILOAD = 500mA

VBUS

50mV/DIV

AC COUPLED

VSW

1V/DIV

41601 G32

0V

VOUT = 3.8V

ILOAD = 10mA

50μs/DIV

41601 G33

41601f

8

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