LTC3101EUF-TRPBF datasheet(5/32 Pages) LINER

Part #	LTC3101EUF-TRPBF

Description	Wide VIN, Multi-Output DC/DC Converter and PowerPath Controller

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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5 / 32 page

LTC3101

5

3101f

TYPICAL PERFORMANCE CHARACTERISTICS

Buck Efﬁciency

2 AA Cells to 1.5V

Buck Efﬁciency

2 AA Cells to 1.2V

Buck Efﬁciency

USB (5V) to 1.8V

Buck-Boost Efﬁciency

2 AA Cells to 3.3V

Buck-Boost Efﬁciency

USB (5V) to 3.3V

Buck-Boost Efﬁciency

Li-Ion to 3.3V

Buck Burst Mode Threshold

No-Load Quiescent Current in

Burst Mode Operation

Standby Quiescent Current

(TA = 25°C unless otherwise speciﬁed)

LOAD CURRENT (mA)

0.1

0

10

30

40

50

100

70

1

10

3101 G01

20

80

90

60

100

1000

L = 4.7μH

VBAT = 3.2V

VBAT = 1.8V

PWM Mode

Burst Mode OPERATION

LOAD CURRENT (mA)

0.1

0

10

30

40

50

100

70

1

10

3101 G02

20

80

90

60

100

1000

L = 4.7μH

VBAT = 3.2V

VBAT = 1.8V

PWM Mode

Burst Mode OPERATION

LOAD CURRENT (mA)

0.1

0

10

30

40

50

100

70

1

10

3101 G03

20

80

90

60

100

1000

L = 4.7μH

PWM Mode

Burst Mode

OPERATION

LOAD CURRENT (mA)

0

10

30

40

50

100

70

1

10

3101 G04

20

80

90

60

100

1000

L = 4.7μH

VBAT = 3.2V

VBAT = 1.8V

PWM Mode

Burst Mode

OPERATION

LOAD CURRENT (mA)

0

10

30

50

40

100

L = 4.7μH

70

1

10

3101 G05

20

80

90

60

100

1000

PWM Mode

Burst Mode

OPERATION

LOAD CURRENT (mA)

0

10

30

50

40

100

70

1

10

3101 G06

20

80

90

60

100

1000

PWM Mode

Burst Mode

OPERATION

L = 4.7μH

VBAT = 3.0V

VBAT = 4.2V

SUPPLY VOLTAGE, VBAT OR VUSB (V)

1.5

20

25

35

4.5

3101 G07

15

10

2.5

3.5

5.5

5

0

30

L = 4.7μH

VOUT = 0.8V

VOUT = 1.2V

VOUT = 1.8V

SUPPLY VOLTAGE, VBAT OR VUSB (V)

1

50

60

70

5

3101 G08

40

30

234

6

20

10

0

BUCK1, BUCK2 AND

BUCK-BOOST ENABLED

BOTH BUCKS DISABLED

SUPPLY VOLTAGE, VBAT OR VUSB (V)

1

12

16

20

5

3101 G09

8

4

10

14

18

6

2

0

2

3

4

6

LDO AND HSO OUTPUTS ACTIVE

PWRON = 0V, PWRKEY= FLOATING

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