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AP2001 Dataheets PDF



Part Number AP2001
Manufacturers Diodes Incorporated
Logo Diodes Incorporated
Description MONOLITHIC DUAL CHANNEL PWM CONTROLLER
Datasheet AP2001 DatasheetAP2001 Datasheet (PDF)

AP2001 MONOLITHIC DUAL CHANNEL PWM CONTROLLER Features • • • • • • • • • Dual PWM control circuitry Operating voltage can be up to 40V Adjustable Dead Time Control (DTC) Under Voltage Lockout (UVLO) protection Short Circuit Protection (SCP) Variable oscillator frequency: 500KHz Max 2.5V voltage reference output SOP-16L package Lead Free Finish/RoHS Compliant for Lead Free products (Note 1) General Description The AP2001 integrates Pulse-width-Modulation (PWM) control circuit into a single chip.

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AP2001 MONOLITHIC DUAL CHANNEL PWM CONTROLLER Features • • • • • • • • • Dual PWM control circuitry Operating voltage can be up to 40V Adjustable Dead Time Control (DTC) Under Voltage Lockout (UVLO) protection Short Circuit Protection (SCP) Variable oscillator frequency: 500KHz Max 2.5V voltage reference output SOP-16L package Lead Free Finish/RoHS Compliant for Lead Free products (Note 1) General Description The AP2001 integrates Pulse-width-Modulation (PWM) control circuit into a single chip, mainly designed for power-supply regulator. All the functions included are an on-chip 2.5V reference output, two error amplifiers, an adjustable oscillator, two dead-time comparators, UVLO, SCP, DTC circuitry, and dual common-emitter (CE) output transistor circuit. Recommend the output CE transistors as pre-driver for Driving externally. The DTC can provide from 0% to 100%. Switching frequency can be adjustable by trimming RT and CT. During low VCC situation, the UVLO makes sure that the outputs are off until the internal circuit is operating normally. Applications • • Backlight inverter DC/DC converts in computers, etc. Ordering Information AP 2001 X X X Package S : SOP-16L Lead Free L : Lead Free Package (Note 2) Packing - U : Tube - 13 : Taping Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7. Device Lead-free Tube Package Packaging Part Number Code (Note 2) Quantity Suffix S SOP-16L 50 -U 13” Tape and Reel Quantity 2500/Tape & Reel Part Number Suffix -13 AP2001S Note: 2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. AP2001 Rev. 2 1 of 8 www.diodes.com DECEMBER 2006 © Diodes Incorporated AP2001 MONOLITHIC DUAL CHANNEL PWM CONTROLLER Pin Assignments ( Top View ) CT RT EA1+ EA1FB1 DTC 1 O UT1 GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 R EF SC P EA2+ EA2FB2 DTC 2 O UT2 VCC SO P-16L Pin Descriptions Name CT RT EA+ EA FB DTC OUT GND VCC SCP REF Description Timing Capacitor Timing Resistor Error Amplifier Input(+) Error Amplifier Input(-) Feedback Loop Compensation Dead Time Control Pre-driver Output Ground Supply Voltage Short Circuit Protection Voltage Reference AP2001 Rev. 2 2 of 8 www.diodes.com DECEMBER 2006 © Diodes Incorporated AP2001 MONOLITHIC DUAL CHANNEL PWM CONTROLLER Block Diagram VCC SCP RT CT DTC1 REF Bandgap Reference Oscillator MAX.500KHz EA1 + EA1 VREF Error Amplifier 1 170K FB1 1.18V EA2+ EA2 Error Amplifier 2 + + R S UVLO R + + PWM Amplifier 1 OUT1 + + PWM Amplifier 2 OUT2 FB2 GND DTC2 Absolute Maximum Ratings Symbol VCC VI VO Io TOP TST TLEAD Supply Voltage Amplifier Input Voltage Collector Output Voltage Collector Output Current Operating Temperature Range Storage Temperature Range Lead Temperature 1.6 mm (1/16 inch) from Case for 5 Seconds Parameter Rating 40 20 40 21 -20 to +85 -65 to +150 245 Unit V V V mA.


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