K7803M-1000R3
DC DC Converters
Technical Specifications
| Type | Description |
|---|---|
| Output Voltage | 3.3 V |
| Function | Step-down type |
| Working Voltage V | 21 V |
| Switching Freq Hz | 850 kHz |
| Channels | 1 |
| Iq A | 0 A |
| Ripple Noise | 50mVp-p |
| Capacitive Load(Max) | 2200uF |
| Iout | 1A |
| Type | Description |
|---|---|
| Output Voltage Accuracy | +/-1% |
| Conversion Efficiency | 90% |
| Type | - |
| Operating Temp | -40°C ~ +85°C |
| Height Mm | 10.2 |
| Features | Short Circuit Protection;Automatic fault recovery |
| Length Mm | 11.6 |
| Width Mm | 7.5 |
| Package / Case | SIP,11.6x7.5mm |
Product Introduction
This series of modular power supplies are three-terminal switching regulators featuring high efficiency, low power dissipation, and minimal heat generation — no heatsink required for stable and reliable operation. They overcome the drawbacks of conventional three-terminal linear regulators, namely low efficiency and excessive heat generation, making them ideal drop-in replacements for three-terminal linear regulators. These modules are widely used in industrial control system power supplies, power monitoring system power supplies, instrumentation power supplies, and other power supply systems.
Features
- Package: Industry-standard SIP-3
- Wide input voltage range: 6–36VDC
- High conversion efficiency (up to 97%)
- Low no-load current: 0.3mA (typ)
- Pin-compatible with LM78xx series three-terminal linear regulators
- Output short-circuit protection (self-recovering)
- Operating temperature: -40°C ~ +85°C
Applications
- - Power - Industrial Control - Communications - IoT - Automotive - Rail Transit - Industrial Control System Power Supply - Power Monitoring System Power Supply - Instrumentation Power Supply
Datasheet
Alternative Parts
Common K7803M-1000R3 alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS |
| Type | Details |
|---|---|
| ECCN | - |
Sourcing Information
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