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AP1605TSL Datasheet(PDF) 3 Page - Anachip Corp |
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AP1605TSL Datasheet(HTML) 3 Page - Anachip Corp |
3 / 6 page AP1605 PWM/PFM Dual-mode Step-Down Switching Regulator Anachip Corp. www.anachip.com.tw Rev. 1.1 Jan 18, 2005 3/6 Electrical Characteristics (VIN = 5V, T a=25°C, unless otherwise specified) Symbol Parameter Conditions Min. Typ. Max. Unit VIN Input Voltage AP1605 Series 2.5 -- 7 V VREF Internal Reference Voltage 1.1625 1.2 1.2375 V VUVLO UVLO Voltage Voltage required to maintain VOUT -- -- 2.2 V MAXDTY Maximum Duty Ratio 100 -- -- % PFMDTY PFM Duty Ratio 15 25 35 % SOP-8L 3 -- -- ISW Switch Current Duty = 50% TSSOP-8L 1.5 -- -- A ISS Current Consumption POWERON VOUT=2.5V -- 35 100 µA ISSS Current Consumption During Power Off VON/OFF =0V -- -- 2 µA ∆VOUT1 Line Regulation 2.5V~7V @ IOUT=0.1A -- 0.2 0.5 % ∆VOUT2 Load Regulation 0.1A~3A(SOP-8L), 0.1A~1.5A(TSSOP-8L) -- 1 1.5 % FOSC Oscillation Frequency 220 300 380 KHz VCEH CE Pin “High” Voltage Evaluate oscillation at SW pin 0.65 -- -- VCEL CE Pin “Low” Voltage Evaluate oscillation stop at SW pin -- -- 0.2 *Vcc ISH -- -0.1 -- 0.1 µA ISL Power-Off Pin Input Leakage Current -- -0.1 -- 0.1 µA EFFI Efficiency VIN = 5V, VOUT = 2.5V IOUT = 1A -- 93 -- % Typical Application Circuit ( 1) Normal Application + - CC RA RB D1 OUT VSS FB PVCC SW VCC RVCC CVCC AP1605 =~200K CE R CE C CE ) R R (1 Vref Vo B A + × = 100K 0.1uF |
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