LTC3576_15 datasheet(8/48 Pages) LINER

Part #	LTC3576

Description	Switching Power Manager with USB On-the-Go Triple Step-Down DC/DCs

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC3576/LTC3576-1

8

3576fb

VBUS Quiescent Current

vs VBUS Voltage (Suspend)

VOUT Voltage

vs Load Current in Suspend

VBUS Current

vs Load Current in Suspend

Battery Charge Current

vs VOUT Voltage

Normalized Battery Charger Float

Voltage vs Temperature

VOUT Voltage vs Battery Voltage

(Charger Overprogrammed)

VBUS Quiescent Current

vs Temperature

Battery Drain Current

vs Temperature

VBUS Quiescent Current in

Suspend vs Temperature

BUS VOLTAGE (V)

0

10

20

30

40

50

60

1234

3576 G10

5

LOAD CURRENT (mA)

0

4.0

4.5

5.0

2.0

3576 G11

3.5

3.0

2.5

0.5

1.0

1.5

2.5

HIGH POWER SUSPEND

LOW POWER SUSPEND

VBUS = 5V

BAT = 3.3V

RCLPROG = 3.01k

LOAD CURRENT (mA)

0

1.5

2.0

2.5

2.0

3576 G12

1.0

0.5

0

0.5

1.0

1.5

2.5

HIGH POWER

SUSPEND

LOW POWER SUSPEND

VBUS = 5V

BAT = 3.3V

RCLPROG = 3.01k

VOUT (V)

3.40

0

100

200

300

400

3.50

3.60

3.70

3.80

3576 G13

500

600

3.45

3.55

3.65

3.75

RCLPROG = 3.01k

RPROG = 2k

5 MODE

BATTERY VOLTAGE (V)

2.7

3.9

4.3

4.7

3.9

3576 G14

3.5

3.1

3.7

4.1

4.5

3.3

2.9

2.7

3.0

3.3

3.6

4.2

5 MODE

1 MODE

VBUS = 5V

IVOUT = 0V

RCLPROG = 3.01k

RPROG = 1k

TEMPERATURE (°C)

–40

0.998

0.999

1.000

60

3576 G15

0.997

0.996

–15

10

35

85

1.001

TEMPERATURE (°C)

–40

15

20

25

60

3576 G16

10

5

0

–15

10

35

85

VBUS = 5V

5 MODE

1 MODE

TEMPERATURE (°C)

–40

0

10

20

30

40

50

60

–15

10

35

60

3576 G17

85

VBUS = 5V

TEMPERATURE (°C)

–40

25

30

35

60

3576 G18

20

15

–15

10

35

85

10

5

0

BAT = 3.8V

VBUS = 0V

SWITCHING

REGULATORS OFF

TYPICAL PERFORMANCE CHARACTERISTICS T

A = 25°C unless otherwise speciﬁed.

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LTC3576 Datasheet(PDF) 8 Page - Linear Technology

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