LTC3219EUD-TRPBF datasheet(5/20 Pages) LINER

Part #	LTC3219EUD-TRPBF

Description	250mA Universal Nine Channel LED Driver

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC3219

5

3219fa

VBAT Shutdown Current

vs VBAT Voltage

1x Mode No Load VBAT Current vs

VBAT Voltage

VBAT VOLTAGE (V)

2.9

3.5

5.5

4.5

6.5

4.9

3219 G10

2.5

1.5

3.3

3.7

5.3

7.5

4.5

4.1

TA = –40°C

TA = 85°C

TA = 25°C

VBAT VOLTAGE (V)

2.7

405

415

425

5.1

3219 G11

395

385

400

410

420

390

380

375

3.3

3.0

3.9

3.6

4.5 4.8

5.4

4.2

1.5x Mode VBAT Current vs ICPO

(IVBAT – 1.5ICPO)

ICPO (mA)

0

2

4

6

8

10

50

100

150

200

3219 G12

250

300

2x Mode VBAT Current vs ICPO

(IVBAT – 2ICPO)

ULED Pin Current

vs ULED Pin Voltage

ULED Pin Current vs Input Code

ULED PIN VOLTAGE (V)

0

5

15

20

25

35

3219 G14

10

30

0.12

0.30

0.06

0.18

0.24

VBAT = 3.6V

INPUT CODE (HEX)

1

15

20

25

30

25

3219 G15

10

5

0

0A

13

1C

2E

37

3F

ULED Pin Dropout Voltage

vs ULED Pin Current

9-LED ULED Display Efﬁciency vs

VBAT Voltage

ULED PIN CURRENT (mA)

04

0

80

20O

8

16

20

3219 G16

40

160

120

12

24

28

VBAT = 3.6V

VBAT VOLTAGE (V)

3.0

60

80

100

5.0

3219 G17

40

20

50

70

90

30

10

0

3.5

4.0

4.5

5.5

9 LEDs AT 15mA/LED

(TYP VF AT 15mA = 3.2V

NICHIA NSCW100)

TA = 25°C

TYPICAL PERFORMANCE CHARACTERISTICS T

A = 25°C unless otherwise noted.

ICPO (mA)

0

2

4

6

8

10

50

100

150

200

3219 G13

250

300

VBAT = 3.6V

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