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AP1501-XXT5RL-U Datasheet(PDF) 4 Page - Diodes Incorporated |
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AP1501-XXT5RL-U Datasheet(HTML) 4 Page - Diodes Incorporated |
4 / 12 page AP1501 150KHz, 3A PWM BUCK DC/DC CONVERTER AP1501 Rev. 11 4 of 12 JANUARY 2009 www.diodes.com © Diodes Incorporated Recommended Operating Conditions Symbol Parameter Rating Units VOP Operating Voltage 4.5 to 40 V TA Operating Ambient Temperature -20 to 85 oC Electrical Characteristics (All Output Voltage Versions) Unless otherwise specified, VIN = 12V for 3.3V, 5V, adjustable version and VIN = 24V 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 IFB Feedback Bias Current VFB = 1.3V (Adjustable version only) 40 60 nA 100 FOSC Oscillator Frequency 127 150 173 KHZ 110 173 VSAT Saturation Voltage IOUT = 3A No outside circuit VFB = 0V force driver on 1.3 1.4 V 1.5 DC Max. Duty Cycle(ON) VFB = 0V force driver on 100 % Min. Duty cycle(OFF) VFB = 12V force driver off 0 ICL Current Limit Peak current no outside circuit VFB = 0V force driver on 3.6 4.0 5.5 A 6.5 IL Output = 0 Output Leakage Current No outside circuit VFB = 12V force driver off (Note 3) 200 uA Output = -1 VIN = 40V 2 60 mA IQ Quiescent Current VFB = 12V force driver off 5 10 mA ISTBY Standby Quiescent Current ON/OFF pin = 5V VIN = 40V 150 250 uA 350 VIL ON/OFF pin Logic Input Threshold Voltage Low (regulator ON) 1.3 0.6 V VIH High (regulator OFF) 2.0 IH ON/OFF Pin Logic Input Current VLOGIC = 2.5V (OFF) 15 25 uA IL ON/OFF Pin Input Current VLOGIC = 0.5V (ON) 0.02 5 θ JA Thermal Resistance unction to Ambient TO263-5L (Note 4) 37 oC/W TO220-5L(R) (Note 4) 31 θ JC Thermal Resistance Junction to Case TO263-5L (Note 4) 6 oC/W TO220-5L(R) (Note 4) 5 Notes: 3. Feedback pin removed from output and connected to 0V to force the output transistor switch ON. Feedback pin removed from output and connected to 12V for the 3.3V, 5V, and the ADJ. version, and 15V for the 12V version, to force the output transistor switch OFF. 4. Test condition: Device mounted with copper area of approximately 3 in 2,1oz, no air flow. |
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