AP4370

Document number: DS37242 Rev. 3 - 2

2 of 12

www.diodes.com

October 2015

© Diodes Incorporated

AP4370

Pin Descriptions

Pin Number

Pin Name

Function

1

D+

USB D+ Input

2

GND

Ground Return

3

D-

USB D- Input

4

VCC

IC Supply Voltage, connected to a ceramic cap.

5

V2

Decoder Output2, used as input of constant voltage/constant current controller

6

V1

Decoder Output1, used as input of constant voltage/constant current controller

Functional Block Diagram

Decoder

Logic

Regulator

&

Reference

VCC

D+

D-

GND

V1

V2

VDD

POWER_OK

Encoder

& Timing

Control

CLK &

Timer

5V

9V

12V

S0

S1

1

2

3

4

5

6

Over

Voltage

Discharge

Symbol

Parameter

Rating

Unit

IC Supply Voltage

-0.3 to 25

V

USB Input Voltage

-0.3 to 7

V

Decoder Output Voltage

-0.3 to 7

V

Operating Junction Temperature

-40 to +150

°C

Storage Temperature

-65 to +150

°C

Lead Temperature (Soldering, 10 sec)

+300

°C

Thermal Resistance (Junction to Ambient)

200

°C/W

ESD

ESD (Human Body Model)

4000

V

ESD (Machine Model)

150

V

Note 4:

Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at thes

e or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied.

Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability.