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Low-Cost Single-Ended Current-Mode PWM for Microcontroller-Based Power Converters

パッケージ情報

CADモデル:View CAD Model
Pkg. Type:SOICN
Pkg. Code:MOP
Lead Count (#):8
Pkg. Dimensions (mm):4.9 x 3.9 x 0.00
Pitch (mm):1.3

環境及び輸出分類情報

Moisture Sensitivity Level (MSL)3
Pb (Lead) FreeYes
ECCN (US)EAR99
HTS (US)8542.39.0090
RoHS (ISL6729IBZ-T)ダウンロード

製品スペック

Lead Count (#)8
Carrier TypeReel
Moisture Sensitivity Level (MSL)3
Pb (Lead) FreeYes
Pb Free CategoryPb-Free 100% Matte Tin Plate w/Anneal-e3
Temp. Range (°C)-40 to +85°C
Control ModePeak Current Mode
Controller / IntegratedController
Duty Cycle (%)100 - 100
FET Driver Output Current (Max) (A)1
Length (mm)4.9
MOQ12500
No-Load Operating Current3.3 mA
PWMs (#)1
Parametric CategoryFlyback & Forward Controllers
Pitch (mm)1.3
Pkg. Dimensions (mm)4.9 x 3.9 x 0.00
Pkg. TypeSOICN
Qualification LevelStandard
Topology CharacteristicFlyback or Forward (two switch)
Topology [Rail 1]Single-Ended
UVLO Falling (V)4.3
UVLO Rising (V)4.5
VBIAS (Max) (V)7
Width (mm)3.9

説明

The ISL6729 pulse width modulating (PWM) current mode controller is designed for power conversion applications that are based on a microcontroller, or other device, which can generate a digital clock signal at the desired switching frequency. Similar to the ISL684x family of products, the ISL6729 provides the basic current mode PWM control features, but eliminates the error amplifier, the oscillator, and the reference. An external clock signal applied to the oscillator input provides the time base and sets the maximum duty cycle. The reduced feature set is ideal for those applications where a microcontroller is available to provide the monitor and control functions. The analog PWM provides the cycle-by-cycle peak-current mode control, leaving the monitor and control overhead to the microcontroller.