Datasheet > iW3602

iW3602

更新时间： 2023-12-20 18:45:02

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
18页	2185K
描述
10W Off-Line LED Driver for Dimmable Solid State Lighting, 1.5 Stage

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iW3602 数据手册

iW3602

AC/DC Digital Power Controller for

Dimmable LED Drivers

1.0 Features

● Isolated AC/DC oﬄine 100V_AC/230V_ACLED driver

● Line frequency ranges from 45Hz to 66Hz

● Intelligent wall dimmer detection

2.0 Description

The iW3602 is a high performance AC/DC oﬄine power

supply controller for dimmable LED luminaires, which uses

advanced digital control technology to detect the dimmer

type and phase. The dimmer conduction phase controls the

LED brightness. The LED brightness is modulated by PWM-

dimming. The iW3602’s unique digital control technology

eliminates visible ﬂicker.

Leading-edge dimmer

Trailing-edge dimmer

No-dimmer detected

Unsupported dimmer

The iW3602 can operate with all dimmer schemes including:

leading-edge dimmer, trailing-edge dimmer, as well as

other dimmer conﬁgurations such as R-type, R-C type or

R-L type. When a dimmer is not present, the controller can

automatically detect that there is no dimmer.

● Hybrid dimming scheme

● Wide dimming range from 1% up to 100%

● No visible ﬂicker

The iW3602 operates in a quasi-resonant mode to provide

high eﬃciency. The iW3602 provides a number of key

built-in features. The iW3602 uses advanced primary-

side sensing technology to achieve excellent line and load

regulation without secondary feedback circuitry. In addition,

the iW3602’s pulse-by-pulse waveform analysis technology

allows accurate LED current regulation. The iW3602

maintains stability over all operating conditions without the

need for loop compensation components. Therefore, the

iW3602 minimizes external component count, simpliﬁes EMI

design and lowers overall bill of materials cost.

● Resonant control to achieve high eﬃciency, 85% without

dimmer

● Temperature compensated LED current

● Small size design

Small size input bulk capacitor

Small size output capacitor

Small transformer

● Primary-side sensing eliminates the need for opto-

3.0 Applications

isolator feedback and simpliﬁes design

● Dimmable LED luminaires

● Tight LED current regulation ± 5%

● Fast start-up, typically 10µA start-up current

● Hot-plug LED module support

● Optimized for 3W to 10W output power

● Multiple protection features:

LED open circuit protection

Single-fault protection

Over-current protection

LED short circuit protection

Current sense resistor short circuit protection

Over-temperature protection

Input over-voltage protection

● Up to 10W output power

31-May-2022

Datasheet

Rev. 1.2

1 of 18

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IW3602-00	DIALOG	AC/DC Digital Power Controller for Dimmable LED Drivers	获取价格
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