AP3171

Document number: DS38006 Rev. 6 - 3

3 of 8

www.diodes.com

July 2020

© Diodes Incorporated

AP3171

Functional Block Diagram

CMP

CABL

E

PHAS

E

GND

Cable

compensation

EA

PWM

Comparator

D+

D-

QC

VSE

N

C

S _AMP

OS

C

OTP

IDISCHARGE

VC

C

UVLO

Internal

Regulator

0.9V

1.2V

0.5V

1V

1.31

3V

0.57

9V

6

7

m

V

8

0

m

V

5

0

m

V

0.33V

DC

NDriver

PDriver

HVPMO

S

HVNMOS

OU

T

FB

OV

P

OUT

UV

P

Reference

switch

FB

FB _

ref switch

OV

P _ref switch

OVP

UVP

UVP _

ref switch

Bias

Ref &

OU

T

Output

UVP

Output

OVP

Absolute Maximum Ratings (Note 4)

Parameter

Symbol

Rating

Unit

Supply Voltage

VCC

-0.3 to 42

V

Voltage From PHASE to GND

VPHASE

-0.3 to 42

V

Voltage From OUT to GND

VOUT

-0.3 to 20

V

Voltage on Other Separate Pins

–

-0.3 to 6

V

Thermal Resistance (Note 5)

θJA

63

°C/W

Operating Junction Temperature

TJ

-40 to +125

°C

Storage Temperature

TSTG

-65 to +150

°C

ESD (Human Body Model)

–

2000

V

ESD (Machine Model)

–

200

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 these 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.

5. Device mounted on FR-4 substrate PC board, 2oz copper, with 1 square inch pad layout.