+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

PART

TEMP

RANGE

PIN-

PACKAGE

OUTPUT

VOLTAGE

(V)

MAX5090CATE+ -40°C to +125°C 16 TQFN-EP*

Adj

MAX5090CATE -40°C to +125°C 16 TQFN-EP*

Adj

PACKAGE

TYPE

PACKAGE

CODE

OUTLINE

NO.

LAND

PATTERN NO.

16 TQFN

T1655+3

21-0140

—

PGND

BST

LX

SGND

FB

5V, 2A

VD

100µH

3.3µF

100µF

SS

SYNC

D1

B360

DRAIN

*LOCATE PTC AS CLOSE TO HEAT-DISSIPATING COMPONENT AS POSSIBLE.

68µF

12V

MAX5090B

PTC

ON/OFF

Package Information

For the latest package outline information and land patterns

(footprints), go to

www.maximintegrated.com/packages. Note

that a “+”, “#”, or “-” in the package code indicates RoHS status

only. Package drawings may show a different suffix character, but

the drawing pertains to the package regardless of RoHS status.

MAX5090A/B/C

2A, 76V, High-Efficiency MAXPower

Step-Down DC-DC Converters

www.maximintegrated.com

Maxim Integrated │ 16

Chip Information

PROCESS: BCD

TRANSISTOR COUNT: 7893

Ordering Information (continued)