Monolithic Power Systems Inc. HF920AGS-Z
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.08 | $1.08 |
| 15+ | $1.05 | $15.75 |
| 25+ | $1.03 | $25.75 |
| 50+ | $0.97 | $48.50 |
| 100+ | $0.86 | $86.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Monolithic Power Systems Inc. |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 900V |
| Topology | Flyback |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 24V |
| Duty Cycle | 83% |
| Frequency - Switching | 150kHz |
| Power (Watts) | - |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage, Short Circuit, UVLO |
| Control Features | Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width), 11 Leads |
| Supplier Device Package | 14-SOIC-11 |
| ROHS |
The Monolithic Power Systems HF920AGS-Z is a fixed-frequency offline flyback switcher featuring an integrated switch and 900V breakdown voltage. Operating from a 10V to 24V Vcc supply, it switches at 150kHz with up to 83% duty cycle and delivers galvanically isolated output. Fault protection and soft start ensure dependable AC-DC conversion in a 14-SOIC package.
- 900V breakdown voltage offers strong margin for offline flyback designs.
- Integrated switch simplifies isolated supply architecture.
- Fixed 150kHz frequency control with soft start for stable operation.
- Fault protection includes current limiting, over temperature, over voltage, short circuit, and UVLO.
- -40°C to 125°C junction temperature range for demanding environments.
Offline AC-DC Adapters
The 900V breakdown rating and integrated switch suit isolated flyback adapters needing high voltage margin.
Industrial Control Bias Supplies
A -40°C to 125°C junction range and fault protection support reliable isolated bias rails in industrial equipment.
Standby Power Stages
Fixed 150kHz frequency control and soft start simplify isolated standby supply design.
Consumer Electronics Power Modules
The integrated switch and 83% maximum duty cycle enable compact isolated flyback conversion in a 14-SOIC package.
- Q: What topology does the HF920AGS-Z use?
- A: It is a flyback offline switcher with galvanically isolated output.
- Q: What is the breakdown voltage?
- A: The device is rated for 900V breakdown voltage.
- Q: What is the Vcc supply range?
- A: The Vcc supply operates from 10V to 24V.
- Q: What is the switching frequency and duty cycle?
- A: It switches at a fixed 150kHz with a maximum duty cycle of 83%.
- Q: What fault protections are available?
- A: Current limiting, over temperature, over voltage, short circuit, and UVLO.
- Q: What topology does the HF920AGS-Z use?
- A: It is a flyback offline switcher with galvanically isolated output.
- Q: What is the breakdown voltage?
- A: The device is rated for 900V breakdown voltage.
- Q: What is the Vcc supply range?
- A: The Vcc supply operates from 10V to 24V.
- Q: What is the switching frequency and duty cycle?
- A: It switches at a fixed 150kHz with a maximum duty cycle of 83%.
- Q: What fault protections are available?
- A: Current limiting, over temperature, over voltage, short circuit, and UVLO.

HF920AGS-Z.pdf