AP1694

Document number: DS36522 Rev. 2 - 2

3 of 9

www.diodes.com

December 2013

© Diodes Incorporated

AP1694

A Product Line of

Diodes Incorporated

Functional Block Diagram

Regulator&

Bias

Tons

Detector

Tons

Power_EN

Driver

FB

VCC

OUT

PFM

R

S

Q

Vref

CC_CTRL

TONP_CTRL

CS

GND

Vdd

Protection

& Latch

PRO

CS_OCP

FB_CV

FB_OVP

VCC_OVP

Logic

Set Initial Tonp

Constant Turn-on

Time Generation

Vcsmax

Vcs_valley

RI

SGND

5

2

3

4

6

7

8

Symbol

Parameter

Rating

Unit

Power Supply Voltage

-0.3 to 35

V

Driver Output Current

150

mA

Voltage at CS to GND

-0.3 to 7

V

FB Input Voltage

-40 to 10

V

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 (Charged-device Model)

±1000

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.