TS19453CS-RLG datasheet(2/7 Pages) TSC

tên linh kiện	TS19453CS-RLG

Giải thích chi tiết về linh kiện	AC/DC Programmable Current WLED Driver

PDF	7 Pages

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nhà sản xuất	TSC [Taiwan Semiconductor Company, Ltd]

Trang chủ	http://www.taiwansemi.com

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Preliminary

TS19453

AC/DC Programmable Current WLED Driver

w/PWM Dimming Control

2/7

Version: Preliminary

Electrical Specifications (Ta = 25

oC, V

DRAIN= 50V, unless otherwise noted)

Function Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Internal Regulator

Internally Regulated Voltage

VDD

7.5

Drain Supply Voltage

VDRAIN

400

Undervoltage Lockout Threshold

UVLO

VDD rising

4.8

Undervoltage Lockout Hysteresis

∆UVLO

VDD falling

200

Supply Current

IDD

VDD(EXT)=8.0V

500

µA

Output (Drain)

Breakdown Voltage

VBR

Note 1

475

On Resistance

RDSON

IDRAIN=50mA

200

Ω

MOSFET Saturation current

ISAT

100

150

Current Sense Comparator

Threshold Voltage

VTH

Note 1

0.43

0.53

Leading edge Blanking delay

TBLANK

Note 1,2

200

300

400

Minimum Turn On-Time

TON(min)

650

Off-Time Generator

Turn On-Time

TOFF

µS

PWMD

PWMD Input Voltage

VPWMD

High voltage

2.0

Low voltage

0.8

PWMD Pull Down Resistance

RPWMD

VPWMD=5V

100

300

Ω

Note 1: The specification which apply over the full operating ambient temperature range of -40ºC<TA<+85ºC

2: Guaranteed by design

Block Diagram

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