Rev. 1.11

3

August 12, 2016

HT7463A/HT7463B

Pin Descpription

Pin Order

Name

Type

Pin Discpription

1

CB

I/O

SW FET gate bias voltage. Connect the boot capacitor between CB and SW

2

GND

G

Ground terminal

3

FB

I

4

EN

I

Logic level shutdown pin. Internal pull low resistor

5

VIN

P

Power supply

6

SW

O

Power FET output

Absolute Maximum Ratings

Parameter

Value

Unit

VIN and SW

-0.3 to +55

V

EN

V

CB above SW voltage

+5.5

V

FB

-0.3 to +5.0

V

Operating Temperature Range

-40 to +85

°C

Maximum Junction Temperature

+150

°C

Storage Temperature Range

-65 to +160

°C

Lead Temperature (Soldering 10sec)

+300

°C

ESD Susceptibility

Human Body Model

2000

V

Machine Model

200

V

220

°C/W

110

°C/W

Recommended Operating Range

Parameter

Value

Unit

VIN

4.5 to 52

V

SW and EN

Up to 52

V

NotethatAbsoluteMaximumRatingsindicatelimitationsbeyondwhichdamagetothedevicemayoccur.

RecommendedOperatingRatingsindicateconditionsforwhichthedeviceisintendedtobefunctional,butdonot

guaranteespecifiedperformancelimits.