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Onsemi NCP10970 | Demoboard NCP10970AGEVB
Dual Output PSU for HV Input Evaluation Board User's Manual
Overview
| Topology | Buck Converter |
| Input voltage | 440 V |
| Output 1 | 15 V / 0.15 A |
Description
The NCP10970AGEVB evaluation board is a non−isolated buck topology converter which provides adjustable output voltage up to 16 V and fixed linear output voltage 3.3 V. Input voltage range is from ~30 Vrms up to 440 Vrms. The board is also ready for DC input voltage up to 620 V. Nominal output current of the board is 150 mA. This current is divided between switcher output and LDO output, i.e. when LDO provides 100 mA of output current, there is 50 mA on switcher output. The NCP10970A1 is SOIC−16 power management IC combines HV switcher, LDO, internal circuitry for creating the input voltage for LDO in very effective way and internal comparator circuitry. The switcher works in a DCM mode for better efficiency, EMI and surge robustness. To ensure low no−load standby power and good efficiency at light load, the device is equipped with a skip mode operation. A dedicated comparator circuitry provides a means to instruct the external control section that an over−temperature or over−current point has been reached. The comparator input is biased by a precise constant current source and output is an open−drain type. The speed of comparator is driven by a voltage value on STBY pin.
Features
- Wide Input Voltage Range up to 440 Vrms
- Adjustable Output Voltage up to 16 V
- Fixed Linear Output Voltage 3.3 V
- High Efficiency
- Complies with CoC5 Tier2
- Low EMI Emissions
- Over−Current Protection
- Over−Voltage Protection
- Internal TSD Protection
- Integrated Comparator
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Packaging | ISAT (A) | fres (MHz) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | Application | VDE Approval | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324023028 | SPEC | 8 files | WCAP-FTX2 Film Capacitors | 220 nF | X2 | 300 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 10 | Bulk | – | – | – | – | – | – | – | – | – | – | 275 | – | – | 13 | 8 | 14 | Boxed THT | – | – | – | – | – | – | Across the mains | – | ||
 | 860021375011 | SPEC | 7 files | WCAP-ATG5 Aluminum Electrolytic Capacitors | 10 µF | – | – | – | – | -25 °C up to +105 °C | 5 | Ammopack | – | – | 2000 | 104 | 120 | 15 | 10 | – | – | – | 400 | – | – | 14 | – | – | – | – | – | – | – | – | – | – | – | ||
 | 860080473006 | SPEC | 7 files | WCAP-ATLI Aluminum Electrolytic Capacitors | 100 µF | – | – | – | – | -55 °C up to +105 °C | 2.5 | Ammopack | – | – | 2000 | 410 | 25 | 10 | 6.3 | – | – | – | 25 | – | – | 11 | – | – | – | – | – | – | – | – | – | – | – | ||
 | 744821110 | SPEC | 10 files | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | 0.7 | 10 | 350 | 250 | 1500 | MnZn | 15 | 7.5 | 18 | THT | – | – | – | – | – | – | – | 40042670 | ||
 | 820474611 | SPEC | 6 files | WE-VD Disk Varistor | – | – | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | – | – | – | 9 | – | – | – | – | – | – | 9 | 5.4 | 13 | THT | 460 | 615 | 750 | 1750 | 58 | 0.25 | 400 VAC | Yes | ||
 | 7687714102 | SPEC | 8 files | WE-PD HV SMT Power Inductor (High Voltage) | – | – | – | – | – | – | – | – | 0.55 | 1.7 | – | – | – | – | – | 0.4 | 1 | 3200 | – | – | – | 10 | 10 | 6 | SMT | – | – | – | – | – | – | – | – | ||
 | 768772102 | SPEC | 8 files | WE-TI HV Radial Leaded Wire Wound Inductor (High Voltage) | – | – | – | – | – | -40 °C up to +125 °C | – | – | 0.55 | 1.8 | – | – | – | – | – | 0.5 | 1 | 2080 | – | – | – | 7.8 | 7.8 | 9.5 | THT | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890324023028 | SPEC | |
| 860021375011 | SPEC | |
| 860080473006 | SPEC | |
| 744821110 | SPEC | |
| 820474611 | SPEC | |
| 7687714102 | SPEC | |
| 768772102 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Packaging | ISAT (A) | fres (MHz) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | Application | VDE Approval | Samples |
|---|