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CS3972YDWR16 Scheda tecnica(PDF) 2 Page - Cherry Semiconductor Corporation |
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CS3972YDWR16 Scheda tecnica(HTML) 2 Page - Cherry Semiconductor Corporation |
2 / 6 page 2 Absolute Maximum Ratings PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Input Voltage Range ........................................................................................................................................................3V to 60V Output Switching Voltage.........................................................................................................................................................75V Voltage Transient (tr=10µs, tf=400ms) ......................................................................................................................................60V ESD (Human Body Model; R=1.5kΩ, C=100pF) ...................................................................................................................2kV Junction Temperature Range...............................................................................................................................-40°C to +150°C Storage Temperature Range ................................................................................................................................-65°C to +150°C Lead Temperature Soldering Wave Solder (through hole styles only)......................................................................................10 sec. max, 260°C peak Reflow (SMD styles only) ......................................................................................60 sec. max above 183°C, 230°C peak Feedback Pin Voltage (1ms transient)...................................................................................................................................±15V Electrical Characteristics: For 3V≤VCC≤60V, -40°C≤TA≤125°C unless otherwise specified. s Reference Voltage VC=0.8V; VFB=VREF 1.214 1.244 1.274 V Line Regulation VC=0.8V; VFB=VREF, 3V≤VIN≤60V 0.03 %/V Feedback Input Current VC=0.8V; VFB=VREF 350 1100 nA Minimum Input Voltage VC=VFB=VREF 2.6 3.0 V Supply Current VC=0.6V; 3V≤VIN≤60V 6.0 9.0 mA Supply Current Increase during switch on time VC=open, 1.0V≤VFB≤1.5V 25 mA/A Switching Frequency VC=VFB=VREF; VSW=15V 33 40 47 kHz Maximum Duty Cycle VC=2V; VFB=open, VSW=15V 92 % VC Threshold VFB=open; VSW =15V, 0.60 0.90 1.25 V duty cycle=0% s Error Amplifier Transconductance VC=0.8V; VFB=VREF, ∆IC=±25µA 2400 4400 7000 µmho Source/Sink Current VC=1.5V 120 200 400 µA High Voltage Clamp VFB=1.0V 2.0 V Low Voltage Clamp VFB=1.5V 0.38 V Gain 0.9V≤VC≤1.4V, VFB=VREF 800 V/V s Output Switch Breakdown Voltage VC=0.5V; 3V≤VIN≤60V, IOUT=5mA 75 90 V On Resistance VC=open, VFB=0.8V, IOUT=1.25A 0.6 1.0 Ω Control Voltage to Switch 1.2V≤VC≤1.8V 2 A/V Current Transconductance Current Limit Duty Cycle≤50%, TJ≥25°C 1.25 3.00 A Duty Cycle≤50%, TJ<25°C 1.25 3.50 A Duty Cycle=80% 1.00 2.50 A Duty Cycle=80% (Note 1) 0.50 2.50 A Note 1: 16 lead SO wide package only. |
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