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Diodes Incorporated AP63301 | Demoboard AP63300/1-EVM
3.8V TO 32V INPUT, 3A LOW IQ SYNCHRONOUS BUCK WITH ENCHANCED EMI REDUCTION
Overview
| Topology | Buck Converter |
| Input voltage | 3.8-32 V |
| Switching frequency | 450-550 kHz |
| Output 1 | 3.3 V / 3 A |
| IC revision | 3-2 |
Description
The AP63300/AP63301 is 3A, synchronous buck converter with a wide input voltage range of 3.8V to 32V. The device fully integrates a 75mΩ high-side power MOSFET and a 40mΩ low-side power MOSFET to provide high-efficiency step-down DC-DC conversion.The AP63300/AP63301 device is easily used by minimizing the external component count due to its adoption of peak current mode control along with its integrated loop compensation network.The AP63300/AP63301 design is optimized for Electromagnetic Interference (EMI) reduction. The device has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which reduces high-frequency radiated EMI noise caused by MOSFET switching. AP63300 also 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.The device is available in a TSOT26 package.
Features
- VIN 3.8V to 32V
- 3A Continuous Output Current
- 0.8V ± 1% Reference Voltage
- 22μA Low Quiescent Current (Pulse Frequency Modulation)
- 500kHz Switching Frequency
- Supports Pulse Frequency Modulation (PFM)
- AP63300
- Up to 88% Efficiency at 5mA Light Load
- Pulse Width Modulation (PWM) Regardless of Output Load
- AP63301
- Proprietary Gate Driver Design for Best EMI Reduction
- Frequency Spread Spectrum (FSS) to Reduce EMI
- AP63300
- Low-Dropout (LDO) Mode
- Precision Enable Threshold to Adjust UVLO
- Protection Circuitry
- Undervoltage Lockout (UVLO)
- Output Overvoltage Protection (OVP)
- Cycle-by-Cycle Peak Current Limit
- Thermal Shutdown
Typical applications
- Network Systems
- Flat Screen TV Sets and Monitors / White Goods and Small Home Appliances / Home Audio / Gaming Consoles / Consumer Electronics
- FPGA, DSP, and ASIC Supplies
- 5V, 12V, and 24V Distributed Power Bus Supplies / General Purpose Point of Load
- Power Tools and Laser Printers
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 | – | – | – | Size1090 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length11.6 mm | Width10.5 mm | Height8.8 mm | – | – | Inductance6.8 µH | Performance Rated Current16.3 A | Saturation Current @ 30%23.25 A | DC Resistance7.16 mΩ | DC Resistance7.88 mΩ | Self Resonant Frequency16 MHz | MountSMT |