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.

Ideal Diode V-I Characteristics

1.0

INTERNAL IDEAL DIODE

WITH SUPPLEMENTAL

0.8

EXTERNAL VISHAY

Si2333 PMOS

0.6

INTERNAL IDEAL

DIODE ONLY

0.4

0.2

0

0

VBUS = 5V

0.04 0.08 0.12 0.16 0.20

FORWARD VOLTAGE (V)

41601 G07

Battery Charge Current vs VOUT

Voltage

600

RCLPROG = 3.01k

RPROG = 2k

500 5x MODE

400

300

200

100

0

3.40 3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80

VOUT (V)

41601 G10

Ideal Diode Resistance

vs Battery Voltage

0.25

0.20

INTERNAL IDEAL

DIODE

0.15

0.10

0.05

0

2.7

INTERNAL IDEAL DIODE

WITH SUPPLEMENTAL

EXTERNAL VISHAY

Si2333 PMOS

3.0 3.3 3.6 3.9 4.2

BATTERY VOLTAGE (V)

41601 G08

VOUT Voltage vs Battery Voltage

(Charger Overprogrammed)

4.7

VBUS = 5V

4.5 IVOUT = 0μA

4.3

RCLPROG = 3.01k

RPROG = 1k

4.1

3.9

5x MODE

3.7

3.5

1x MODE

3.3

3.1

BATTERY VOLTAGE

2.9

2.7

2.7

3.0 3.3 3.6 3.9 4.2

BATTERY VOLTAGE (V)

41601 G11

PowerPath Switching Regulator

Transient Response

VOUT

50mV/DIV

AC-COUPLED

IVOUT

500mA/DIV

0mA

VBUS = 5V

VOUT = 3.65V

CHARGER OFF

10x MODE

20μs/DIV

41601 G13

PowerPath Switching Regulator

Efficiency vs Load Current

100

90

1x MODE

80

70

5x, 10x MODE

60

50

40

30

10

100

LOAD CURRENT (mA)

1000

41601 G14

6

VOUT Voltage vs Load Current

(Battery Charger Disabled)

4.50

4.25

BAT = 4V

4.00

BAT = 3.4V

3.75

3.50

BAT = 2.8V

3.25

3.00

VBUS = 5V

2.75 RCLPROG = 3.01k

RPROG = 2k

2.50

0

200 400 600 800 1000

LOAD CURRENT (mA)

41601 G09

VOUT Voltage vs Load Current

(Battery Charger Enabled)

4.50

4.25

BAT = 4V

4.00

3.75

3.50

BAT = 3.4V

3.25

BAT = 2.8V

3.00

2.75

VBUS = 5V

RCLPROG = 3.01k

RPROG = 2k

2.50

0

200 400 600 800 1000

LOAD CURRENT (mA)

41601 G12

Battery Charging Efficiency vs

Battery Voltage with No External

Load (PBAT/PVBUS)

95

RCLPROG = 3.01k

90 RPROG = 1k

85

1x MODE

80

75

70

65

5x MODE

60

55

50

2.7

3.0 3.3 3.6 3.9 4.2

BATTERY VOLTAGE (V)

41601 G15

41601f

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