AP2004 Diodes, Inc., AP2004 Datasheet
AP2004
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AP2004 Summary of contents
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... 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. AP2004 Rev. 2 General Description The AP2004 integrates Pulse-Width-Modulation (PWM) control circuit into a single chip, mainly designs for power-supply regulator. All the functions include an on-chip 1.25V reference output, an error amplifier, an adjustable oscillator, a soft-start, UVLO, SCP circuitry, and a push-pull output circuit ...
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... Pin Assignments ( Top View ) ° OUT 1 2 VCC COMP SOP-8L Pin Descriptions Block Diagram 1.25V FB Error Amplifier COMP AP2004 Rev. 2 GND SCP 5 Name Description CT Timing Capacitor FB Voltage Feedback SS Soft-Start. COMP Feedback Loop Compensation OUT PWM Output GND Ground ...
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... Amplifier input voltage I V Collector output voltage O I Current into feedback terminal FB R Feedback resistor F C Timing capacitor T F Oscillator frequency OSC AP2004 Rev. 2 Parameter Parameter www.diodes.com AP2004 PWM BUCK CONTROLLER Rating 600 -1.0V CC 200 200 -20 to +85 -65 to +150 Min ...
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... GBW Unity-gain bandwidth CMRR Common-mode rejection ratio V Max. output voltage OH V Min. output voltage OL I Output (sink) current (COMP Output (source) current I OO (COMP) AP2004 Rev 25º 6V 200 Khz Conditions T = -20ºC ~ 25º 25ºC ~ 85ºC A Conditions ) ...
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... Total device Symbol Parameter I Average supply current CCA Soft Start Symbol Parameter V Soft-start Voltage SS I Constant Charge Current SS Typical Application Circuit R3 1K~30K C2 10nF Optional AP2004 Rev. 2 (Continued 25º 6V 200 Khz Conditions V = 25V 20V 20V ...
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... T - Ambient Temperatrure(℃) A OSCILLATOR FREQUENCY vs. TIMING CAPACITANCE 350 300 250 200 150 100 50 0 100 600 1100 1600 2100 2600 3100 3600 4100 4600 5100 5600 6100 6600 CT-Timing Capacitor (pF) AP2004 Rev 1.6 1.4 1.2 0.8 0.6 0.4 0 100 www.diodes.com AP2004 PWM BUCK CONTROLLER AVERAGE SUPPLY CURRENT vs ...
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... SOFT-START CAPACITOR (Css 100 125 Css (nF) Marking Information (1) SOP-8L Part Number AP2004 Rev. 2 (Continued) 150 175 200 (Top view Logo Blank : Lead - Free Package AP2004 G : Green Internal code Xth week: 01~52 Year: "01" =2001 ...
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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. AP2004 Rev. 2 (All Dimensions in mm) Detail "A" ...