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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-23 V |
| Switching frequency | 550-1100 kHz |
| Output 1 | 0.6 V / 15 A |
Description
The NCP3235 is a 15 A DC/DC converter with internal MOSFETs and offers flexibility in design. The device can deliver an adjustable output voltage as low as 0.6V to over 80% of the input voltage. Features include adjustable current limit, output voltage, and soft-start timing. Pin selectable features enable switching frequencies of 550 kHz or 1 MHz, selecting DCM/CCM operating modes, and the ability latch off or hiccup mode during over current. The part can be configure to operate in ultra-sonic mode to stay out of the audio band. The part is offered in a thermally enhanced 6mm by 6mm TQFN package.
Features
- Wide Input Voltage Range from 4.5 V to 23 V
- 0.6 V Internal Reference Voltage
- Switching Frequency Option: 550 kHz, 1.1 MHz
- External Programmable Soft−Start
- Lossless Low−side FET Current Sensing
- Output Over−voltage Protection and Under−voltage Protection
- Selective Hiccup/Latch Off Operation for All Faults
- Pre−bias Start−up
- Adjustable Output Voltage
- Power Good Output
- Internal Over−temperature Protection
- Adjustable Input UVLO
- This is a Pb−Free Device
Typical applications
- Datacom/Networking
- Computing/Servers
- FGPA, ASIC, DSP power, 12 V Point of load
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | Material | LR(µH) | fres(MHz) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCC SMT High Current Cube Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Pins2 | – | – | – | Inductance0.33 µH | Performance Rated Current48.2 A | Saturation Current @ 10%56.7 A | Saturation Current @ 30%62.1 A | DC Resistance1.5 mΩ | MaterialFerrite | Rated Inductance0.33 µH | Self Resonant Frequency214 MHz | ||||
 | WR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header, 4, Pluggable | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header | Pins4 | PCB/Cable/PanelPCB | ModularityNo | TypeHorizontal | – | – | – | – | – | – | – | – | |||
| WR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header, 6, Pluggable | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header | Pins6 | PCB/Cable/PanelPCB | ModularityNo | TypeHorizontal | – | – | – | – | – | – | – | – |