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瑞萨电子 (Renesas Electronics Corporation) - June is Pride Month, a month to raise awareness of the rights and the culture of the LGBTQ+ community
Low-Power Off-line Digital Green-Mode PWM Controller

封装信息

CAD 模型:View CAD Model
Pkg. Type:SOT23-5L
Pkg. Code:
Lead Count (#):5
Pkg. Dimensions (mm):
Pitch (mm):

环境和出口类别

Moisture Sensitivity Level (MSL)1
ECCN (US)EAR99
HTS (US)8542.39.0090
Pb (Lead) Free

产品属性

Lead Count (#)5
Moisture Sensitivity Level (MSL)1
Temp. Range (°C)-40 to +125°C
ApplicationAdapters, Chargers
Control ModePrimary-Side Regulation Peak Current Mode DCM
Controller / IntegratedController
MOQ3000
No Load Power (mW)30
Output Power (Min) (W)1
Output Power Max (W)30
PWMs (#)1
Parametric CategoryFlyback & Forward Controllers
Pass DeviceFET
Pkg. TypeSOT23-5L
Qty. per Reel (#)3000
Qualification LevelStandard
Switching Frequency (KHz)64 - 64
Topology CharacteristicPSR Flyback
UVLO Falling (V)4.1
UVLO Rising (V)10.5
VBIAS (Max) (V)16

描述

The iW1678 is a high-performance AC/DC controller designed to drive an external power bipolar junction transistor (BJT) for peak current mode PWM flyback power supplies. Ideal for wall adapters in portable electronics and power supplies for consumer electronics, the iW1678 offers no-load power consumption of less than 150mW, capable of being reduced down to 30mW with little effort, making it capable of meeting global energy efficiency standards. As a PrimAccurate™ controller, which uses primary-side control algorithms, the iW1678 does not need any direct secondary-side feedback components, eliminating the need for optocouplers, and reducing component count and solution cost. Additional features include Renesas' proprietary EZ-EMI™ technology, quasi-resonant control for optimal efficiency at heavy loads, cable and connector voltage drop compensation options, full protection from fault conditions, and tiny packaging.