LD5523T

04/08/2021

2

Leadtrend Technology Corporation

www.leadtrend.com.tw

LD5523T-DS-00 April 2021

Pin Configuration

SOT-26 (TOP VIEW)

Y

: Year code (D: 2004, E: 2005…..)

W

: Week code

PP

: Production code

t23T

: LD5523T

12

3

4

5

6

GND COMP

FB

OUT

VCC

CS

YWt

23T

PP

Ordering Information

Part number

Package

TOP MARK

Shipping

LD5523T GL

SOT-26

(Green Package)

YWt/23T/PP

3000 /tape & reel

The LD5523T is RoHs compliant/ green packaged.

Protection Mode

Product Name Switching Freq. VCC_OVP

FB_OVP

OSCP

OLP

FB_UVP

Int. OTP

LD5523T

65kHz

Auto recovery Auto recovery Auto recovery Auto recovery Auto recovery Auto recovery

Pin Descriptions

NAME

PIN

(SOT-26)

FUNCTION

GND

1

Ground

COMP

2

Output of the error amplifier for voltage compensation

FB

3

Auxiliary voltage sense, brown in/out and Quasi Resonant detection

CS

4

Current sense pin, connect to sense the MOSFET current

VCC

5

Supply voltage pin

OUT

6

Gate drive output to drive the external MOSFET