ap1530 Diodes, Inc., ap1530 Datasheet
ap1530
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ap1530 Summary of contents
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... AP1530 Rev. 4 18V 3A 300KHz BUCK CONVERTER General Description AP1530 consists of step-down switching regulator with PWM control. These devices include a reference voltage source, oscillation circuit, error amplifier and internal PMOS. AP1530 provides low-ripple power, high efficiency, and excellent transient characteristics. The PWM control circuit is able to vary the duty ratio linearly from 100% ...
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... Add an external resistor to set max output current power supply pin CC Switch Pin. Connect external inductor/diode here. Minimize trace Output 5, 6 area at this pin to reduce EMI GND Pin SS AP1530 Rev. 4 18V 3A 300KHz BUCK CONVERTER (2) SOP-8L-DEP (Dual Exposed Pads) Vss FB 8 Vss 7 6 Output OCSET 5 V Output and exposed pad 2 is connected to Output ...
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... Caution: The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. Recommended Operating Conditions Symbol V Input Voltage IN I Output Current OUT T Operating Ambient Temperature A AP1530 Rev. 4 18V 3A 300KHz BUCK CONVERTER Output Oscillation Circuit PWM-Switched Control Circuit Thermal Shutdown Parameter ...
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... For better thermal performance, please arrange larger copper pad of layout for heatsink. 6. Test condition for SOP-8L-DEP:Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended top pad layout, 1"x1" bottom copper pad, thermal vias connected AP1530 Rev. 4 18V 3A 300KHz BUCK CONVERTER Conditions I =0 ...
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... Typical Application Circuit OCSET OCSET Option 470uF R EN CVcc 100K 0.1uF C EN 0.1uF Notes: 7. Suggested DIODES Power Schottky P/N: B340 series or PDS340. AP1530 Rev. 4 18V 3A 300KHz BUCK CONVERTER Vcc Output AP 1530 FB OCSET OUT 0.7K~5K ohm www ...
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... V (V) IN Efficiency V =5V; V =3.3V IN OUT 100% 90% 80% 70% 60% 50% 40% 30% 20% 10 0.5 1 1.5 I OUT AP1530 Rev. 4 0.820 0.815 0.810 0.805 0.800 0.795 0.790 0.785 0.780 5.00 4.99 4.98 4.97 4.96 4.95 4.94 4.93 4. 2 www.diodes.com AP1530 18V 3A 300KHz BUCK CONVERTER V vs ...
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... V CC OCSET + Operation function test AP1530 Rev. 4 (Continued) open open www.diodes.com AP1530 18V 3A 300KHz BUCK CONVERTER AP1530 Vout Ripple (Vin= 12V; Vout= 3.3V; Iout= 3A) OUTPUT OCSET Feedback function test © Diodes Incorporated JUNE 2008 ...
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... Under Voltage Lockout The under voltage lockout circuit of the AP1530 assures that the high-side MOSFET driver remains in the off state whenever the supply voltage drops below 3.3V. Normal operation resumes once V rises above 3 ...
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... Top Side Layout Guide Use vias to conduct the heat into the backside of PCB layer. The heat sink at output (SW) pins should be allowed for maximum solder-painted area. Bottom Side Layout Guide AP1530 Rev. 4 18V 3A 300KHz BUCK CONVERTER (Continued) Recommended exposed-pads gap: 30~40mil (0.75~1mm) Brown: IC exposed pads ...
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... Functional Description Option AP1530 Rev. 4 18V 3A 300KHz BUCK CONVERTER (Continued) Vcc Output AP1530 FB OCSET Figure: Layout numbering comparison www.diodes.com AP1530 Option + + JUNE 2008 © Diodes Incorporated V OUT C4 ...
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... Marking Information (1) SOP-8L Logo Part No. (2) SOP-8L-DEP Logo Part No. AP1530 Rev. 4 18V 3A 300KHz BUCK CONVERTER ( Top View ) 5 8 AP1530 YYWW SOP-8L ( Top View ) 5 8 AP1530 YYWW SOP-8L-DEP www.diodes.com AP1530 Blank : Lead Free G : Green Internal code Xth week: 01~52 Year : " ...
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... Land Pattern Recommendation (Unit: mm) (2) Package Type: SOP-8L-DEP 8 1 0.3/0.5 1.27Typ. 4.85/4.95 2.05Typ. 1 0.20 8 1.7 1 Bottom view AP1530 Rev All Dimensions Gauge Plane Seating Plane 0.38/1.27 Detail "A" 7°~9° 0.35max. 45° 0.3/0.5 3.70/4.10 0. 1.8 1.8 1.65 0. EXPOSED PAD C L Top View ...
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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. AP1530 Rev. 4 18V 3A 300KHz BUCK CONVERTER IMPORTANT NOTICE ...