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Overview
| Topology | Buck Converter |
| Input voltage | 3.8-32 V |
| Output 1 | 5 V / 2 A |
Description
The AP63205 is a 2A, synchronous buck converter with up to 32V wide input voltage range, which fully integrates a 140mΩ high-side MOSFET and a 70mΩ low-side MOSFET to provide high efficiency step-down DC/DC conversion. The AP63205 adopts peak current mode control with the integrated compensation network, which makes AP63205 easily to be used by minimizing the off-chip component count. The AP63205 supports the Pulse Skipping Modulation (PSM) with typical 22uA Ultra-low Quiescent and achieved high efficient performance at light load conditions.The AP63205 is fixed output buck converters with optimized design for Electromagnetic Interference (EMI) reduction. The AP63205 features Frequency Spread Spectrum (FSS) with ±6% jittering span of the 1.1MHz switching frequency and modulation rate 1/512 of switching frequency to reduce the conductedEMI. The converter has proprietary designed gate driver scheme to resist switching node ringing without sacrificing MOSFET turn on and turn off time, which further erases high frequency radiation EMI noise caused by the MOSFETs hard switching.
Features
- EMI Reduction with Switching Node Ringing-free
- 3.8V-32V Wide Input Voltage Range
- Up to 2A Continuous Output Load Current
- Shutdown Current: <1μA
- 1.1Mitching Frequency with 6% Frequency Spread Spectrum (FSS)
- Precision Enable Threshold for Programmable UVLO Threshold and Hysteresis
- Low Dropout Mode Operation
- No External Compensation Required
- Current Limit Protection
- Short Circuit Protection
- Over Output Voltage ProtectionThermal Shutdown
Typical applications
- Network Systems
- Flat Screen TV Sets and Monitors, White Goods and Small Home Appliances, Home Audio, Consumer Electronics
- 12V and 24V Distributed Power Bus Supplies, FPGA, DSP, and ASIC Supplies
- Laser Printers, Gaming Consoles
- Power Tools
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 | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 100 V(DC), 100 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | Capacitance100 pF | Capacitance±10% | Rated Voltage100 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | |||||
| 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-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 |