Datenblatt-Suchmaschine für elektronische Bauteile |
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CS3865CGDWR16 Datenblatt(PDF) 4 Page - Cherry Semiconductor Corporation |
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CS3865CGDWR16 Datenblatt(HTML) 4 Page - Cherry Semiconductor Corporation |
4 / 8 page 4 Package Pin Description PACKAGE PIN # PIN SYMBOL FUNCTION Typical Performance Characteristics 10k 30k 50k 100k 300k 500k 1.0M f OSC OSCILLATOR FREQUENCY (Hz) 4.0 6.0 8.0 10 12 14 16 TA=25°C VCC= 15V 10k 30k 50k 100k 300k 500k 1.0M f OSC OSCILLATOR FREQUENCY (Hz) 38 40 42 44 46 48 50 VCC = 15V RT = 4.0kΩ to 16kΩ CL = 15pF TA = 25°C OUT 2 OUT 1 Max. Output Duty Cycle vs. Oscillator Frequency Timing Resistor vs. Oscillator Frequency 10k 100k 1.0k 10k 100k 1.0M 10M f, FREQUENCY (Hz) -20 0 20 40 60 80 100 VCC = 15V VO = 1.5V TO 2.5V RL = 100kΩ TA = 25°C GAIN PHASE 180 150 120 90 60 30 0 0 1.0 2.0 3.0 4.0 5.0 7.0 ERROR AMP OUTPUT VOLTAGE (V) 0 0.1 0.2 0.3 0.4 0.5 0.6 6.0 VCC = 15V TA = 125°C TA = 25°C TA = -55°C Current Sense Input Threshold vs. Error Amp Output Voltage Error Amp Open-Loop Gain & Phase vs. Frequency 16 L PDIP & SO Wide 1 SYNC A positive going pulse applied to this input will synchronize the oscillator. A DC voltage within the range of 2.4V to 5.5V will inhibit the oscillator. 2CT Timing capacitor CT connects pin to ground setting oscillator fre- quency. 3RT Resistor RT connects to ground setting the charge current for CT. Its value must be between 4.0k and 16k. 4VFB 1 The inverting input of error amplifier 1. Normally it is connected to the switching power supply output. 5 COMP1 The output of error amplifier 1, for loop compensation. 6 Sense1 Output 1 pulse by pulse current limit. 7VOUT 1 Drives the power switch at output 1. 8 Gnd Logic ground 9 Pwr Gnd Power ground. Power device return is connected to this pin. 10 VOUT 2 Drives the power switch at output 2. 11 Sense2 Output 2 pulse by pulse current limit. 12 COMP2 Output of error amplifier 2, for loop compensation. 13 VFB 2 Inverting input of error amplifier 2. Normally it is connected to the switching power supply output. 14 ENABLE2 Output 2 disable. A logic low at this pin disables VOUT 2. 15 VREF 5.0V reference output. It can source current in excess of 30mA. 16 VCC The positive supply of the IC. |
Ähnliche Teilenummer - CS3865CGDWR16 |
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Ähnliche Beschreibung - CS3865CGDWR16 |
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