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Diodes Incorporated AP63200 | Demoboard AP63200WU-EVM
32V, 2A, Synchronous DC/DC Buck Converter With Enhanced EMI Reduction
Overview
| Topology | Buck Converter |
| Input voltage | 3.8-32 V |
| Output 1 | 12 V / 2 A |
| IC revision | 1.0 |
Description
The AP63200 is a 2A, synchronous buck converter with a wide input voltage range of 3.8V to 32V and fully integrates a 125mΩ high-side power MOSFET and a 68mΩ low-side power MOSFET to provide high-efficiency step-down DC/DC conversion.The AP63200 device is easily used by minimizing the external component count due to its adoption of peak current mode control along with its integrated compensation network.The AP63200 has optimized designs for Electromagnetic Interference (EMI) reduction. The converter features Frequency Spread Spectrum (FSS) with a switching frequency jitter of ±6%, which reduces EMI by not allowing emitted energy to stay in any one frequency for a significant period of time. It also has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which further reduces high-frequency radiated EMI noise caused by MOSFET switching.The device is available in a low-profile, TSOT26 package.
Features
- VIN 3.8V to 32V
- 2A Continuous Output Current
- 0.8V ± 1% Reference Voltage
- 22μA Ultralow Quiescent Current (Pulse Frequency Modulation)
- 500kHz Switching Frequency
- Supports Pulse Frequency Modulation (PFM) and Pulse Width Modulation (PWM)
- Proprietary Gate Driver Design for Best EMI Reduction
- Frequency Spread Spectrum (FSS) to Reduce EMI
- Low-Dropout (LDO) Mode
- Precision Enable Threshold to Adjust UVLO
- Protection Circuitry
- Undervoltage Lockout (UVLO)
- Cycle-by-Cycle Peak Current Limit
- Thermal Shutdown
Typical applications
- Network Systems
- 12V and 24V Distributed Power Bus Supplies / FPGA, DSP, and ASIC Supplies
- Power Tools and Laser Printers / White Goods and Small Home Appliances / Gaming Consoles / Consumer Electronics
- Flat Screen TV Sets and Monitors / Home Audio / Set Top Boxes
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | RDC max.(mΩ) | fres(MHz) | Mount | ISAT,10%(A) | IR,40K(A) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | Size1210 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length12 mm | Width12 mm | Height10 mm | – | – | Inductance15 µH | Performance Rated Current7.4 A | Saturation Current @ 30%9.8 A | DC Resistance21 mΩ | DC Resistance26 mΩ | Self Resonant Frequency17 MHz | MountSMT | Saturation Current @ 10%8 A | Rated Current6.5 A | VersionStandard | ||||
 | WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6030 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height3 mm | – | – | Inductance3.3 µH | Performance Rated Current7.65 A | Saturation Current @ 30%14.5 A | DC Resistance19.2 mΩ | DC Resistance21.12 mΩ | Self Resonant Frequency31 MHz | MountSMT | Saturation Current @ 10%6.7 A | Rated Current6 A | VersionSMT | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance6.8 µH | Performance Rated Current8.1 A | Saturation Current @ 30%11.3 A | DC Resistance17.6 mΩ | DC Resistance19.36 mΩ | Self Resonant Frequency22 MHz | MountSMT | Saturation Current @ 10%5.65 A | Rated Current6.5 A | VersionSMT | ||||
| WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6060 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height6.1 mm | – | – | Inductance10 µH | Performance Rated Current6.4 A | Saturation Current @ 30%9.7 A | DC Resistance26.5 mΩ | DC Resistance29.15 mΩ | Self Resonant Frequency18 MHz | MountSMT | Saturation Current @ 10%5.05 A | Rated Current5 A | VersionSMT |