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Overview
| Topology | Buck Converter |
| Input voltage | 2.3-5.5 V |
| Output 1 | 1 A |
Description
The AP61100Q is a 1A, 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 AP61100Q 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.The device is available in a SOT563 package.
Features
- Input Range: 2.3V to 5.5V
- Wide Output Voltage Range: 0.6V to 5.5V
- 1A Continuous Output Current
- 0.6V ± 2% Reference Voltage
- 15μA Ultralow Quiescent Current (Pulse Frequency Modulation)
- 2.2MHz Switching Frequency
- Power Good Indicator
- Programmable Modulation Mode Through EN
- PFM (Vin –VEN < 200mV)
- PWM Regardless of Output Load ( Vin-VEN > 200mV )
- Protection Circuitry
- Under voltage Lockout (UVLO)
- Output Overvoltage Protection (OVP)
- Peak Current Limit
- Valley Current Limit
- Thermal Shutdown
Typical applications
- White Goods and Small Home Appliances, Consumer Electronics
- 5V Input Distributed Power Bus Supplies, FPGA, DSP, and ASIC Supplies, General Purpose Point of Load
- Network Video Cameras, Wireless Routers
More information
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 | 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 | ||||
| WE-MAPI SMT Power Inductor, 1.5 µH, 8.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance1.5 µH | Performance Rated Current8.6 A | Saturation Current @ 30%10.2 A | DC Resistance16 mΩ | Self Resonant Frequency48 MHz | Operating Voltage80 V | MountSMT | ||||
| WE-MAPI SMT Power Inductor, 2.2 µH, 6.2 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance2.2 µH | Performance Rated Current6.2 A | Saturation Current @ 30%7.9 A | DC Resistance29 mΩ | Self Resonant Frequency34 MHz | Operating Voltage80 V | MountSMT |