Key Features:
LED Mode Simulation: The 3340G Series is optimized for LED power driver testing, allowing you to simulate LED forward bias voltage (Vd) and resistance (Rd).
Multiple Operation Modes: Supports Constant Current (CC), Constant Resistance (CR), Constant Voltage (CV), Constant Power (CP), LED Mode, and Dynamic Mode.
Parallel Operation: Enables parallel operation for CC, CR, CP, and CV modes, providing greater flexibility for higher power applications.
Fast Response for PWM Dimming: Ideal for dimming tests, the built-in dimming control signal supports high-speed testing for PWM dimming up to 25 kHz.
Short Circuit Testing: Comes with an external relay (with built-in driver circuit) to facilitate short-circuit tests, with customizable short-time settings and voltage measurements.
Comprehensive Display: Equipped with a 5-digit meter for voltage (V), current (A), and power (W), allowing for accurate real-time monitoring.
Advanced Protection: Integrated protections against over-voltage (V), over-current (I), power (W), and temperature (℃).
Memory Storage: Provides 150 sets of Store/Recall memory, enabling fast and efficient load setup for various test scenarios.
High Voltage Capacity: Optional voltage configurations allow testing up to 600V.
Available Models:
| Model | Voltage Range | Current Range | Power Range |
| 3341G | 0 – 300V | 0 – 24A | 300W |
| 3342G | 0 – 500V | 0 – 12A | 300W |
| 3343G | 0 – 500V | 0 – 24A | 300W |
| 3345G | 0 – 120V | 0 – 4A | 150W |
| 3346G | 0 – 120V | 0 – 12A | 300W |
| 33401G | 0 – 500V | 0 – 6A (x2) | 150W (x2) |
| 33402G | 0 – 120V | 0 – 2A (x2) | 75W (x2) |
| 33403G | 0 – 120V | 0 – 6A (x2) | 150W (x2) |
Technical Specifications:
Constant Current (CC) Mode:
Range: 0 to 6A (model dependent)
Resolution: 0.1mA
Accuracy: ± 0.1% of setting + range
Constant Resistance (CR) Mode:
Range: 0.125Ω to 1.5KΩ (model dependent)
Resolution: 0.1Ω
Accuracy: ± 0.2% of setting + range
Constant Voltage (CV) Mode:
Range: 0 to 300V (or up to 500V in higher models)
Resolution: 0.005V
Accuracy: ± 0.05% of setting + range
Constant Power (CP) Mode:
Range: 0 to 300W (model dependent)
Resolution: 0.005W
Accuracy: ± 0.5% of setting + range
Advanced Capabilities:
Dynamic Mode: Allows for precise timing (THIGH and TLOW) with resolution down to 1ms and accuracy of± 50ppm.
Slew Rate Control: Adjustable from 4.8mA/ms to 300mA/ms, providing fine control over load changes.
Dimming Control Output: Supports DC to 10kHz dimming frequency for PWM dimming tests, with a level range of 0 to 12V and resolution of 0.048V.
Load On/Off: Programmable load on/off voltage with customizable GO/NG meter checks.
Interfaces: Optional GPIB, RS232, USB, and LAN interfaces for remote control and data acquisition.
Applications:
LED Driver testing
Voltage and current source testing
Power supply transient response testing
Battery charger and discharge testing
R&D and quality control
Automated Test Equipment (ATE) systems
Production testing
The 3340G Series LED DC Electronic Load Simulator provides comprehensive and flexible testing solutions for power supplies, especially for LED driver applications. Its wide range of operating modes, advanced features, and customizable interfaces make it suitable for high-precision, high-speed testing environments.
Optional Upgrades: Increase voltage capacity up to 600V or add optional communication interfaces such as GPIB, RS232, USB, and LAN.