LTC1644

23

1644f

Table 8. Sense Resistor Selection Guide

CURRENT LIMIT VALUE

PART NUMBER

DESCRIPTION

MANUFACTURER

1A

LR120601R055F

0.055

Ω, 0.5W, 1% Resistor

IRC-TT

WSL1206R055

Vishay-Dale

2A

LR120601R028F

0.028

Ω, 0.5W, 1% Resistor

IRC-TT

WSL1206R028

Vishay-Dale

5A

LR120601R011F

0.011

Ω, 0.5W, 1% Resistor

IRC-TT

WSL2010R011

Vishay-Dale

7.6A

WSL2512R007

0.007

Ω, 1W, 1% Resistor

Vishay-Dale

10A

WSL2512R005

0.005

Ω, 1W, 1% Resistor

Vishay-Dale

Table 9. N-Channel Power MOSFET Selection Guide

CURRENT LEVEL (A)

PART NUMBER

DESCRIPTION

MANUFACTURER

0 to 2

MMDF3N02HD

Dual N-Channel SO-8

ON Semiconductor

2 to 5

MMSF5N02HD

Single N-Channel SO-8

ON Semiconductor

5 to 10

MTB50N06V

Single N-Channel DD Pak

ON Semiconductor

5 to 10

IRF7413

Single N-Channel SO-8

International Rectifier

5 to 10

Si4410DY

Single N-Channel SO-8

Vishay-Siliconix

APPLICATIO S I FOR ATIO

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 represen-

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

PACKAGE DESCRIPTIO

.337 – .344*

(8.560 – 8.737)

GN20 (SSOP) 0502

12

3

4

5

6

7

89 10

.229 – .244

(5.817 – 6.198)

.150 – .157**

(3.810 – 3.988)

16

17

18

19

20

15 14 13 12

11

.016 – .050

(0.406 – 1.270)

.015

± .004

(0.38

± 0.10)

× 45°

0

° – 8° TYP

.007 – .0098

(0.178 – 0.249)

.053 – .068

(1.351 – 1.727)

.008 – .012

(0.203 – 0.305)

.004 – .0098

(0.102 – 0.249)

.0250

(0.635)

BSC

.058

(1.473)

REF

.254 MIN

RECOMMENDED SOLDER PAD LAYOUT

.150 – .165

.0250 TYP

.0165

±.0015

.045

±.005

*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH

SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD

FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE

INCHES

(MILLIMETERS)

NOTE:

1. CONTROLLING DIMENSION: INCHES

2. DIMENSIONS ARE IN

3. DRAWING NOT TO SCALE

GN Package

20-Lead Plastic SSOP (Narrow .150 Inch)

(Reference LTC DWG # 05-08-1641)