AP1695-20C

Document number: DS37538 Rev. 1 - 2

4 of 15

www.diodes.com

March 2015

© Diodes Incorporated

AP1695-20C

Functional Block Diagram

Tons

Power_EN

Driver

FB

VCC

Drain

PFM

R

S

Q

Vref

CC_CTRL

TONP_CTRL

CS

Vdd

PRO

CS_OCP

FB_CV

FB_OVP

VCC_OVP

Logic

Vcsmax

Vcs_valley

RI

5

3

2

1

6

S

7

4

GND

Tons

Detector

Set Initial Tonp

Constant Turn-

on Time

Generation

Protection

& Latch

Regulator &

Bias

Symbol

Parameter

Rating

Unit

Power Supply Voltage

-0.3 to 35

V

Voltage at CS to GND

-0.3 to 7

V

FB Input Voltage

-40 to 10

V

Voltage On Drain

600

V

2.0

A

Operating Junction Temperature

-40 to +150

°C

Storage Temperature

-65 to +150

°C

Lead Temperature (Soldering, 10 sec)

+300

°C

0.65

W

Thermal Resistance (Junction to Ambient)

160

°C/W

–

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.