ap1509-s Diodes, Inc., ap1509-s Datasheet
ap1509-s
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ap1509-s Summary of contents
Page 1
... AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER General Description The AP1509 series are monolithic IC designed for a step-down DC/DC converter, and own the ability of driving a 2A load without additional transistor. It saves board space. The external shutdown function can be controlled by logic level and then come into standby mode ...
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... Pin Assignments (Top View Output SOP-8L Block Diagram Current 1.235V Source Reference bias + _ FB AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER Pin Descriptions GND 8 GND 7 6 GND 5 GND SD 2.5V Start Regulator up Frequecy Amp compen- _ Comp sation + 150kHz OSC www.diodes.com ...
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... T Storage Temperature ST T Operating Junction Temperature J Recommended Operating Conditions Symbol I Output Current OUT V Operating Voltage OP T Operating Ambient Temperature A AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER Parameter Parameter www.diodes.com AP1509 Rating Unit 2 200 +24 -0.3 to +18 -0.3 to +18 -1 Internally Limited -65 to +150 -40 to +125 ...
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... ON/OFF Pin Input Current V L θ Thermal Resistance JA Thermal Resistance θ with a copper area approximately 3 in AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER (All Output Voltage Versions) = 18V for the 12V version Conditions V = 1.3V FB (Adjustable version only) When current limit occurred ...
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... Efficiency V Output Voltage OUT AP1509-3.3V η Efficiency V Output Voltage OUT AP1509-5V η Efficiency V Output Voltage OUT AP1509-12V η Efficiency AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER (Continued) Conditions 4.5V < V < 22V IN 0.2A < I < 2A LOAD V programmed for 3V OUT = 12V LOAD 4.75V < V < 22V IN 0.2A < ...
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... Capacitor (2) Adjustable Type Circuit R2 1K 12V DC Input Cin Capacitor (3) Delay Start Circuit R2 1K 12V DC Input C DELAY 0.1uF R Cin DELAY 10K Capacitor AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER FB 3 Output AP1509 GND GND GND GND SD Schottky Diode R1 1K ...
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... Temperature (TA) (°C) AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER AP1509 Efficiency vs. Temperature (Vin=12V (°C) A AP1509 Switch Current Limit vs. Temperature 5.5 4.5 3 100 125 AP1509 Supply Current vs. Temperature 110 130 150 www.diodes.com AP1509 Vout=3 ...
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... AP1509 Output Voltage vs. Temperature (Vin=12V, Io=2A) 3.5 3.45 3.4 3.35 3.3 3.25 3.2 3.15 3.1 3.05 3 2.95 2.9 -40 - Temperature (TA) (°C) AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER (Continued) AP1509 ON/OFF Current vs. ON/OFF Voltage 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 70 90 110 130 150 AP1509 Feedback Current vs. Temperature 10 0 -10 -20 -30 -40 - 110 130 150 ...
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... The AP1509 junction temperature rises above ambient temperature for a 2A load and different input and output voltages. The data for these curves was taken with the AP1509 (SOP-8 package) operating as a buck-switching regulator in an ambient o temperature (still air) ...
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... 15V out 3 2.5 2 1.5 1 0.5 0 -40 10 Temperature ( Efficiency vs. Output Current out Output Current (mA) . AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER 1.26 1.25 1.24 1.23 1.22 60 110 out 60 110 15V www.diodes.com Feedback Voltage vs. Temperature 15V in out -40 10 ...
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... Blank : Adjustable 1509-33 : 3.3V 1509-50 : 5.0V 1509-12 : 12V Package Information (1) Package Type: SOP-8L 7°~9° 0.3/0.5 1.27typ 4.80/5.30 8x-0.60 6x-1.27 Land Pattern Recommendation (Unit: mm) AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER ( Top View ) 5 8 1509- (All Dimensions in mm) Gauge Plane Seating Plane 0.38/1.27 Detail "A" ...
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... Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. AP1509 Rev. 2 150KHz, 2A PWM BUCK DC/DC CONVERTER IMPORTANT NOTICE ...