For more information www.linear.com/LT8613

LT8613

23

8613f

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-

tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.

package DescripTion

Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.

Typical applicaTions

NOTE:

1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE

2. DRAWING NOT TO SCALE

3. ALL DIMENSIONS ARE IN MILLIMETERS

4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE

MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE

5. EXPOSED PAD SHALL BE SOLDER PLATED

6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION

ON THE TOP AND BOTTOM OF PACKAGE

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED

0.70 ±0.05

0.25 ±0.05

4.50 REF

5.10 ±0.05

6.50 ±0.05

1.50 REF

2.10 ±0.05

3.50 ±0.05

PACKAGE

OUTLINE

1.70 ±0.05

0.50 BSC

4.75 ±0.05

3.00 ±0.10

1.50 REF

6.00 ±0.10

PIN 1

TOP MARK

(NOTE 6)

0.40 ±0.10

27

28

1

2

BOTTOM VIEW—EXPOSED PAD

4.50 REF

0.75 ±0.05

R = 0.115

TYP

PIN 1 NOTCH

R = 0.20 OR 0.35

× 45° CHAMFER

0.25 ±0.05

0.50 BSC

0.200 REF

0.00 – 0.05

(UDE28) QFN 0612 REV Ø

R = 0.05 TYP

1.70 ±0.10

4.75 ±0.10

UDE Package

28-Lead Plastic QFN (3mm

× 6mm)

(Reference LTC DWG # 05-08-1926 Rev Ø)

5A LED Driver

BST

EN/UV

SYNC

IMON

ICTRL

TR/SS

RT

SW

LT8613

GND

ISP

ISN

BIAS

PG

8613 TA11

FB

0.1µF

5A

10µF

3.8V TO 42V

1µF

4.7µH

0.010

60.4k

f = 700kHz

L: COILCRAFT XAL6060

PGND

4.7µF ON OFF

1µF

D1

420k

10pF

100k