HV9961LG-G datasheet(4/9 Pages) SUTEX

Part #	HV9961LG-G

Description	LED Driver with Average-Mode Constant Current Control

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Manufacturer	SUTEX [Supertex, Inc]

Direct Link	http://www.supertex.com

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HV9961

Supertex inc.

www.supertex.com

Functional Block Diagram

Sym

Description

Min

Typ

Max

Units Conditions

TOFF Timer

T

OFF

Off time

-

32

40

48

μs

R

T = 1.00MΩ

-

8.0

10

12

R

T = 226kΩ

GATE Driver

I

SOURCE

GATE sourcing current

-

0.165

-

A

V

GATE = 0V, VDD = 7.5V

I

SINK

GATE sinking current

-

0.165

-

A

V

GATE = VDD, VDD = 7.5V

t

RISE

GATE output rise time

-

30

50

ns

C

GATE = 500pF, VDD = 7.5V

t

FALL

GATE output fall time

-

30

50

ns

C

GATE = 500pF, VDD = 7.5V

Notes:

*

Denotes the specifications which apply over the full operating ambient temperature range of -40°C < T

A < +125°C.

#

Guaranteed by design.

Electrical Characteristics (Specifications are at T

A = 25°C. VIN = 12V, VLD = VDD, PWMD = VDD unless otherwise noted))

CS

R

S

Q

T

OFF

Timer

L/E

Blanking

GATE

0.44V

MIN (V

LD • 0.185, 0.275V)

LD

400µs

PWMD

RT

GND

Current

Mirror

i

Regulator

VIN

VDD

UVLO

POR

0.15/0.20V

Average Current

Control Logic

OUT

Auto-REF

HV9961

CLK

IN

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HV9961LG-G Datasheet(PDF) 4 Page - Supertex, Inc

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