Gyd-9e Datasheet 【Complete — 2027】
With RθJA = 45°C/W, temperature rise = 171°C → . Solution: Add a heatsink or forced airflow, or reduce input voltage to 12V. This example shows the importance of checking thermal limits in the datasheet. 13. Frequently Asked Questions (FAQ) Q1: Is the GYD-9E isolated? A: No. It is a non-isolated buck converter. The input ground and output ground are common.
| Parameter | Conditions | Min | Typ | Max | Unit | |-----------|------------|-----|-----|-----|------| | Output voltage accuracy | Iout=0.5A | ±1 | ±2 | % | | Line regulation | Vin=6V to 24V, Iout=1A | 0.1 | 0.3 | % | | Load regulation | Iout=0.1A to 3A | 0.2 | 0.5 | % | | Output ripple (20MHz BW) | C_out=100µF electrolytic | 30 | 50 | mVpp | | Switching frequency | 450 | 500 | 550 | kHz | | Quiescent current | No load, Vout=5V | 4 | 6 | mA | | Shutdown current | ADJ pin grounded | 80 | 120 | µA | gyd-9e datasheet
A: No internal protection. Add an external Schottky diode in series with input if needed. With RθJA = 45°C/W, temperature rise = 171°C →
The GYD-9E module contains internal inductors and capacitors. Do not apply reverse polarity or voltages above 30V, even momentarily. 4. Electrical Characteristics (Typical at 25°C, Vin=12V, Vout=5V) These values are representative of a healthy GYD-9E module: It is a non-isolated buck converter
Introduction In the rapidly evolving world of power electronics, the choice of a switching regulator can make or break a design’s efficiency, thermal performance, and reliability. Among the myriad of DC-DC converter modules available, the GYD-9E has emerged as a notable player in medium-power applications. If you are searching for the official GYD-9E datasheet , you likely need more than just pinouts and maximum ratings—you need application context, efficiency curves, and design notes.
A: Not recommended. Slight voltage differences cause current hogging. Use a single 5A-rated module instead.
| Pin No. | Symbol | Description | |---------|--------|-------------| | 1 | VIN | Input voltage (4.5V – 28V) | | 2 | GND | Common ground | | 3 | VOUT | Regulated output voltage | | 4 | ADJ | Output voltage adjustment (connect resistor divider to GND) |