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Overview
| Topology | Buck Converter |
| Input voltage | 24-29 V |
| Switching frequency | 510-690 kHz |
| Output 1 | 3.3 V / 3 A |
| IC revision | B |
Description
The SP7656 is a PWM controlled step down (buck) voltage mode regulator co-packaged with a P-Channel FET. It operates from 4.5V to 29V making it suitable for 5V, 12V and 24V applications. The programmable overcurrent protection is based on internal FET resistance sensing and allows setting the overcurrent protection value up to a 300mV threshold (measured between VIN-LX). The SP7656 is packaged in a thermally enhanced 8-pin SO8 package making it one of the smallest converters available capable of operating from 5, 9, 12, 18 and 24VDC supplies.
Features
Wide Input Voltage Range 4.5V – 29V
- 3 Amps Continuous 4 Amps Peak Output Current
- Internal Compensation
- Input Feedforward Control improves
- Transient and Regulation
- 600kHz Constant Frequency Operation
- Low 0.6V Reference Voltage
- High output setpoint accuracy of 1%
- Internal Soft Start
- Small SO8-EP Thermally Enhanced Package
- Adjustable Overcurrent Protection
- Lead Free, RoHS Compliant Package
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744314650 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 6.5 | 6.6 | 2 | 6 | 21.5 | 50 | Superflux |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744314650 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Samples |
|---|