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Overview
| Topology | Buck Converter |
| Input voltage | 85-264 V |
| Switching frequency | 15-37 kHz |
| Output 1 | 5 V / 0.17 A |
| IC revision | 1 |
Description
AP3917B is an off-line universal AC Voltage input step-down regulator that provides accurate constant voltage (CV), outstanding low standby power, light loading efficiency and dynamics performance based on non-isolated buck topology. The main applications are for cost-effective home appliance power. Working with a single winding inductor and integrating a 650V MOSFET, the BOM cost is very low. The AP3917B EV1 Evaluation Board provides good design example for single output 12V@120mA power applications useful in home appliance powers.
Features
- Universal 85V to 264V VAC Input
- Internal MOSFET 650V (20Ω)
- Maximum output Current: 170mA typ.@5V output
- Up to 2W Output Power
- Low Standby Power Consumption
- High Light Loading Efficiency and average efficiency can meet DOE IV and CoC V5 Tier 2
- Frequency Modulation to suppress EMI to meet EN55022 and FCC part 15 class B
- Rich Protection including: OTP, OLP, OLD,SCP
- Extremely low system component count.
- Totally Lead-free & Fully RoHS Compliant (SO-7)
- Halogen and Antimony Free. “Green” Device
Typical applications
- Non-isolated and isolated home appliances including: AC fans, rice cooker, air conditioner, coffee machines, soy milk machines, etc.
- Auxiliary Power to IoT Devices
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447462681 | SPEC | 8 files | WE-TI Radial Leaded Wire Wound Inductor | 680 | 0.25 | 0.3 | 3.7 | 2.4 | Heat Shrinking Tube | – | – | – | – | – | – | – | – | – | 6 | – | ||
 | 860020473010 | SPEC | 7 files | WCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | 150 µF | 25 | 2000 | -40 °C up to +105 °C | 180 | 37.5 | 14 | 2.5 | 6.3 | 11 | Ammopack | ||
| 860021374004 | SPEC | 7 files | WCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | 2.2 µF | 400 | 2000 | -25 °C up to +105 °C | 35 | 26.4 | 15 | 3.5 | 8 | 11.5 | Ammopack |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447462681 | SPEC | |
| 860020473010 | SPEC | |
| 860021374004 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Samples |
|---|