Integrated High Frequency Flyback DC-DC Converter
for 48V Telecom Systems
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- Parameters
- Features
- Description
| Part number | SY26765IGD |
|---|
| Channel(#) | 1 |
|---|
| Vin (min) (V) | 10.5 |
|---|
| Vin (max) (V) | 75 |
|---|
| Topology | PSR/SSR flyback |
|---|
| Switching frequency (min)(kHz) | 4 |
|---|
| Switching frequency (max)(kHz) | 800 |
|---|
| Vout (min) (V) | Programmable |
|---|
| Vout2 (min)(V) | |
|---|
| Vout (max) (V) | Programmable |
|---|
| Vout2 (max )(V) | |
|---|
| Vref accuracy (±%) | 1.7 |
|---|
| Vout accuracy(±%) | |
|---|
| Control mode | Peak current mode |
|---|
| Duty cycle (max)(%) | 81 |
|---|
| Operation mode | PWM/PFM |
|---|
| Iq (typ) (uA) | 1200 |
|---|
| Features | Auto-recovery input UVP,Auto-recovery OCP,Auto-recovery SCP,Auto-recovery OTP |
|---|
| Package | DFN5×6-8 |
|---|
| Operating temperature range(°C) | -40 to 125 |
|---|
| Functional safety category | |
|---|
- On Chip 180V Power Switch Circuit and Startup Circuit
- 3.2A Switching Current Limit (Typ)
- PSR/SSR Mode can be Selected
- PSR(QR): 400kHz /800kHz Frequency Limit
- SSR (fixed frequency): 200kHz≤fSW≤900kHz
- Internal Soft-start Frequency Modulation
- Cycle by Cycle Current Limit Using SENSEFET
- Active LEB Circuit Line Undervoltage Detectors
- Output Over Load Protection
- Output Over Voltage Protection
- Over Temperature Protection
- Compact Package: DFN56-8
- RoHS Compliant and Halogen Free
Evaluation Board
Photo of evaluation board
Photo of evaluation board
The EVB_SY26765IGD is intended for evaluating Integrated High Frequency Flyback DC-DC Converter for 48V Telecom Systems