CAT3636HV3-GT2

更新时间： 2024-01-18 13:06:31

品牌	Logo	应用领域
安森美 - ONSEMI		驱动器
页数	文件大小	规格书
14页	256K
描述
6-Channel Quad-Mode Fractional LED Driver in TQFN 3x3

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CAT3636HV3-GT2 数据手册

CAT3636

6-Channel Quad-Mode^[

Fractional LED Driver in

TQFN 3x3

Description

http://onsemi.com

The CAT3636 is a high efficiency Quad−Mode fractional charge

pump that can drive up to six LEDs programmable by a one wire

digital interface. The inclusion of a 1.33x fractional charge pump

mode increases device efficiency by up to 10% over traditional 1.5x

charge pumps with no added external capacitors.

Low noise input ripple is achieved by operating at a constant

switching frequency which allows the use of small external ceramic

capacitors. The multi−fractional charge pump supports a wide range of

input voltages from 2.5 V to 5.5 V.

The EN/SET logic input functions as a chip enable and a “1−wire”

addressable interface for control and current setting of all LEDs. Three

groups of two LEDs can be configured with independent LED currents

between 0.25 mA and 32 mA.

The device is available in a tiny 16−lead TQFN 3 mm x 3 mm

package with a max height of 0.8 mm.

TQFN−16

HV3 SUFFIX

CASE 510AD

PIN CONNECTIONS

C2−

C2+

C1−

C1+

LEDC2

LEDC1

LEDB2

LEDB1

ON Semiconductor’s Quad−Mode 1.33x charge pump switching

architecture is patented.

Features

• High Efficiency 1.33x Charge Pump

• Quad−Mode Charge Pump: 1x, 1.33x, 1.5x, 2x

• Drives up to 6 LEDs at 32 mA Each

• 1−Wire EZDimt LED Current Programming

• Power Efficiency up to 92%

(Top View)

• Low Noise Input Ripple in All Modes

• “Zero” Current Shutdown Mode

• Soft Start and Current Limiting

• Short Circuit Protection

MARKING DIAGRAMS

JAAA

AXXX

YWW

JAAR

AXXX

YWW

• Thermal Shutdown Protection

• Tiny 3 mm x 3 mm, 16−lead TQFN Package

JAAA = CAT3636HV3−T2

JAAR = CAT3636HV3−GT2

A = Assembly Location

XXX = Last Three Digits of Assembly Lot Number

Y = Production Year (Last Digit)

• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

Compliant

WW = Production Week (Two Digits)

Applications

• LCD Display Backlight

• Color RGB LEDs

• Cellular Phones

• Digital Still Cameras

• Handheld Devices

ORDERING INFORMATION

Device

Package

Shipping

CAT3636HV3−T2

TQFN−16

(Pb−Free)

(Note 1)

2,000/

Tape & Reel

CAT3636HV3−GT2 TQFN−16

(Note 2)

(Pb−Free)

1. Matte−Tin Plated Finish (RoHS−compliant).

2. NiPdAu Plated Finish (RoHS−compliant).

Publication Order Number:

May, 2010 − Rev. 7

CAT3636/D

12 3 4 5 6 7...14

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