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TS19372 Scheda tecnica(PDF) 2 Page - Taiwan Semiconductor Company, Ltd |
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TS19372 Scheda tecnica(HTML) 2 Page - Taiwan Semiconductor Company, Ltd |
2 / 9 page TS19372 Buck (Step-down) WLED Driver with External Switch 2/9 Version: D09 Absolute Maximum Rating Parameter Symbol Limit Unit Input Voltage VIN 40 V Supply Voltage (Recommended) VIN 6 ~ 40 V FB Voltage VFB -0.3 ~ 40 V SW Voltage VSW 36 V Power Dissipation PD 450 mW Ambient Temperature Range TA -40 to +85 oC Junction Temperature Range TJ +150 oC Electrical Specifications (Ta = 25 oC, unless otherwise noted) Parameter Symbol Test Conditions Min Typ Max Units Input Voltage Range VIN 6 -- 40 V Line Regulation REGLINE -- 1.4 5 mV Charge Current ICHARGE VIN =6V~40V -- 30 45 uA Discharge Current IDISCHARGE VIN =6V~40V 180 230 290 uA Switching Frequency FOSC CT = 100pF, -- 180 -- kHz Current Limit Sense Voltage VSENSE IDISCHARGE = ICHARGE 250 -- 350 mV Switch VCESAT VSAT ISW =300mA -- 1.0 1.3 V Supply Current ICC VIN =6V~40V, CT =1nF -- 3 4 mA Collector off-state Current IC(OFF) VCE =40V 1 100 uA Note: Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible Pin Description Pin Function Description 1 SW Driver Switching Pin 2 Ground Ground Pin. 3 Timing Capacitor Timing capacitor oscillator input 4 ISENSE Peak current sense input to monitor the voltage drop across an external resistor to limit the peak current through the circuit 5 VIN Input Voltage Supply pin |
Codice articolo simile - TS19372_10 |
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Descrizione simile - TS19372_10 |
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