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AP1507 Datasheet(PDF) 3 Page - Diodes Incorporated |
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AP1507 Datasheet(HTML) 3 Page - Diodes Incorporated |
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3 / 10 page  AP1507 150KHz, 3A PWM BUCK DC/DC CONVERTER AP1507 Rev. 1 3 of 10 FEBRUARY 2007 www.diodes.com © Diodes Incorporated Absolute Maximum Ratings Symbol Parameter Rating Unit VCC Supply Voltage +24 V VSD ON /OFF Pin Input Voltage -0.3 to +18 V VFB Feedback Pin Voltage -0.3 to +18 V VOUT Output Voltage to Ground -1 V PD Power Dissipation Internally Limited W TST Storage Temperature -65 to +150 oC TOP Operating Temperature -40 to +125 oC VOP Operating Voltage +4.5 to +22 V Electrical Characteristics (All Output Voltage Versions) Unless otherwise specified, VIN = 12V for 3.3V, 5V, adjustable version and VIN = 18V for the 12V version. ILOAD = 0.5A Specifications with boldface type are for full operating temperature range, the other type are for TJ = 25ºC. Symbol Parameter Conditions Min. Typ. Max. Unit -50 IFB Feedback Bias Current VFB = 1.3V ( Adjustable Version Only ) -10 -100 nA 127 150 173 FOSC Oscillator Frequency 110 173 KHz FSCP Oscillator Frequency of Short Circuit Protect When current limit Occurred and VFB < 0.5V, Ta = 25 oC 10 30 50 KHz 1.6 VSAT Saturation Voltage IOUT = 3A No Outside Circuit VFB = 0V Force Driver On 1.4 1.7 V Max. Duty Cycle (ON) VFB = 0V Force Driver On 100 DC Min. Duty Cycle (OFF) VFB = 12V Force Driver Off 0 % 5.5 ICL Current Limit Peak Current No Outside Circuit VFB = 0V Force Driver On 3.6 4.5 6.5 A Output = 0V No Outside Circuit VFB =12V Force Driver Off -200 uA ILEAK Output = -1V Output leakage current VIN = 22V -5 mA IQ Quiescent Current VFB = 12V Force Driver Off 5 10 mA 150 ISTBY Standby Quiescent Current ON /OFF Pin = 5V VIN = 22V 70 200 uA VIL Low (Regulator ON) - 0.6 VIH ON /OFF Pin Logic Input Threshold Voltage High (Regulator OFF) 2.0 1.3 - V IH ON /OFF Pin Logic Input Current VLOGIC = 2.5V (OFF) -0.01 IL ON /OFF Pin Input Current VLOGIC = 0.5V (ON) -0.1 -1 uA ΘJC Thermal Resistance TO252-5L Junction to Case 10 oC/W ΘJA Thermal Resistance with copper area of approximately 2cm ×2cm TO252-5L Junction to Ambient 50 oC/W |
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Similar Description - AP1507 |
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