LTC3529_15 datasheet(4/12 Pages) LINER

Part #	LTC3529

Description	1.5A, 1.5MHz Step-Up DC/DC Converter in 2mm 3mm DFN

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC3529

4

3529fb

3529 G12

160

140

120

100

80

60

20

40

0

TEMPERATURE (°C)

–50

125

100

75

50

25

0

–25

PMOS

NMOS

3529 G10

10

0

2

4

6

8

–10

–8

–6

–4

–2

TEMPERATURE (°C)

–50

110

90

70

50

30

10

–30 –10

TEMPERATURE (°C)

–50

150

100

050

3529 G07

1.0

0.8

0.6

0.4

0.2

–0.8

–0.6

–0.4

–0.2

0

–1.0

TEMPERATURE (°C)

–45 –25

115

95

75

–5

35

55

15

3529 G06

1.90

1.40

1.45

1.50

1.55

1.80

1.65

1.60

1.75

1.70

1.85

TYPICAL PERFORMANCE CHARACTERISTICS

Current Limit vs Temperature

Switching Frequency Variation

vs Temperature

No-Load Input Current vs VIN

RDS(ON) vs Temperature

Output Voltage Change

vs Temperature

1μs/DIV

3529 G09

SW

2V/DIV

IL

25mA/DIV

VIN = 3.6V

COUT = 10μF

L = 4.7μH

SW Pin Anti-Ringing

3529 G11

18

16

14

12

10

8

6

2

4

0

VIN (V)

1.5

5.5

4.5

3.5

2.5

3529 G08

1600

1400

1200

1000

800

600

400

200

0

VIN (V)

1.5

5.0

4.5

4.0

3.5

3.0

2.0

2.5

L = 4.7μH

Maximum Output Current vs VIN

ILOAD (mA)

0

500

400

300

100

200

3529 G13

0.5

0.4

0.3

0.2

0.1

–0.4

–0.3

–0.2

–0.1

0

–0.5

VIN = 3.3V

L = 4.7μH

Load Regulation

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LTC3529 Datasheet(PDF) 4 Page - Linear Technology

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