SF1530 데이터시트 PDF



SiFirst에서 제조한 전자 부품 SF1530은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.



SF1530의 기능 및 특징 중 하나는 "High Performance Current Mode PWM Controller" 입니다.


PDF 형식의 SF1530 자료 제공

SF1530 기능
High Performance Current Mode PWM Controller
SiFirst
SiFirst 로고 


SF1530 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.



PDF 파일안의 텍스트 미리보기

SF1530 High Performance Current Mode PWM Controller FEATURES ◆ Proprietary “Zero OCP/OPP Recovery Gap” Control ◆ Built-in Soft Start Function ◆ All Pins Floating Protection ◆ Very Low Startup Current ◆ High Voltage CMOS Process with Excellent ESD Protection ◆ Frequency Reduction and Burst Mode Control for Energy Saving ◆ Current Mode Control ◆ Built-in Frequency Shuffling ◆ Programmable Switching Frequency ◆ Built-in Synchronous Slope Compensation ◆ Cycle-by-Cycle Current Limiting ◆ Built-in Leading Edge Blanking (LEB) ◆ Constant Power Limiting ◆ Audio Noise Free Operation ◆ VDD OVP & Clamp ◆ VDD Under Voltage Lock

Contents of page 4 out of 11 pages :

Storage Temperature Range Lead Temperature (Soldering, 10sec.) ESD Capability, HBM (Human Body Model) ESD Capability, MM (Machine Model) Recommended Operation Conditions (Note 2) Parameter Supply Voltage, VDD Operating Frequency Operating Ambient Temperature -65 to 150 260 3 250 SF1530 oC oC kV V Value 11 to 25 50 to 130 -40 to 85 Unit V kHz oC ELECTRICAL CHARACTERISTICS (TA = 25OC, RT=100K ohm, VDD=18V, if not otherwise noted) Symbol Parameter Test Conditions Supply Voltage Section (VDD Pin) UVLO(ON) VDD Under Voltage Lockout Exit (Startup) UVLO(OFF) VDD Under Voltage Lockout Enter I_Startup VDD Start up Current VDD =12.5V, Measure current into VDD I_VDD_Op VDD_OVP Operation Current VDD Over Voltage VFB=3V,CL=1nF Protection trigger VDD_Clamp VDD Zener Clamp Voltage I(VDD ) = 15 mA T_Softstart Soft Start Time Feedback Input Section(FB Pin) VFB_Open FB Open Voltage IFB_Short FB short circuit current Short FB pin to GND, measure current AVCS VFB_min_duty PWM Input Gain ΔVFB /ΔVcs FB under voltage gate clock is off. VTH_PL Power Limiting FB Threshold Voltage TD_PL Power limiting Debounce Time Note 3 ZFB_IN Input Impedance Current Sense Input Section (CS Pin) Vth_OC_min Internal current Zero duty cycle limiting threshold T_blanking SENSE Input Leading Edge Blanking Time TD_OC Over Current CL=1nF at GATE, Detection and Control Delay Oscillator Section (RT Pin) FOSC Normal Oscillation Frequency RT_range Operating RT Range V_RT_open RT open voltage ∆F(shuffle)/Fosc Frequency shuffling Note 4 ∆f_Temp range Frequency -20oC to 100 oC (Note 4) Temperature Stability ∆f_VDD Frequency Voltage VDD = 12-25V, Min Typ Max Unit 13 14 15 V 8 9 10 V 5 20 uA 2.5 3.5 mA 25 27.5 30 V 33 V 3 mSec 5.3 V 1.1 mA 2.0 V/V 1.0 V 3.7 V 43 mSec 5 Kohm 0.70 0.75 0.80 V 250 nSec 70 nSec 60 65 70 KHZ 50 100 150 Kohm 2.0 V -4 4 % 5% 5% ©SiFirst Technology www.sifirsttech.com -4- SF1530_DS_V1.0

PDF 파일 전체 : 11 페이지중 1, 2페이지 미리보기
SF1530 datasheet
SF1530 pinouts
[ SF1530.PDF 데이터시트 ]

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