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Overview
| Topology | Buck Converter |
| Input voltage | 2.3-5.5 V |
| Output 1 | 3 A |
| IC revision | January 2021 |
Description
The AP61300Q is a 3A, synchronous buck converter with an input voltage range of 2.3V to 5.5V and fully integrates a 120mΩ high-side power MOSFET and a 80mΩ low-side power MOSFET to provide high-efficiency step-down DC/DC conversion.The AP61300Q device is easily used by minimizing the external component count due to its adoption of constant on-time (COT) control to achieve fast transient responses, ease loop stabilization, and low output voltage ripple. Moreover, AP61300Q also features force PWM mode control through EN pin.
Features
- Input Range: 2.3V to 5.5V
- Wide Output Voltage Range: 0.6V to 5.5V
- 3A Continuous Output Current
- 0.6V ± 2% Reference Voltage
- 14µA Ultralow Quiescent Current (Pulse Frequency Modulation)
- 2.2MHz Switching Frequency
- Programmable Modulation Mode Through EN
- PFM (Vin –VEN < 200mV)
- PWM Regardless of Output Load ( Vin –VEN>200mV)
- Protection Circuitry
- Undervoltage Lockout (UVLO)
- VIN Overvoltage Protection (OVP)
- Peak Current Limit
- Valley Current Limit
- Thermal Shutdown
Typical applications
- White Goods and Small Home Appliances, Consumer Electronics, Network Video Cameras
- Wireless Routers
- 5V Input Distributed Power Bus Supplies
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | ISAT,10%(A) | RDC(mΩ) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAPI SMT Power Inductor, 1 µH, 10.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance1 µH | Performance Rated Current10.1 A | Saturation Current @ 30%11.5 A | DC Resistance12 mΩ | Self Resonant Frequency55 MHz | Operating Voltage80 V | MountSMT | Saturation Current @ 10%5.3 A | – | – | ||||
 | WE-HCI SMT Flat Wire High Current Inductor, 1 µH, 14.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1 µH | Performance Rated Current14.8 A | Saturation Current @ 30%11.5 A | – | Self Resonant Frequency158 MHz | – | MountSMT | Saturation Current @ 10%5.5 A | DC Resistance4.75 mΩ | MaterialSuperflux |