Dual USB Step Down Converter 12/24V USB Port 8-32V to 5V Buck Converter

Description

1. Environmental Test Conditions

Standard Test Atmosphere:

Temperature: 15℃ ~ 35℃

Relative Humidity: 45% ~ 75%

Instrumentation Requirements:

Measurement—Type Accuracy—Additional Requirements

Voltage—≥ Class 0.5—Internal Resistance ≥ 10 KΩ/V

Current—≥—Class 0.5—/

Temperature—Error ≤ ±1℃—/

2. Product Specifications

Parameter Value

Input Voltage Range—8-32V DC

Rated Input Voltage—12V/24V (Selectable)

Output Voltage—5V DC ±1% (No-Load)

Output Current—3A MAX

Maximum Output Power—15W MAX

Conversion Efficiency—≥95%

No-Load Regulation—≤1%

Load Regulation—≤2%

Quiescent Current—≤10mA

Input/Output Wiring—15-16CM (Red+/Black-)

3. Safety Warnings

⚠️ Critical Prohibitions:

Heat Sources: Keep away from flames, heaters, or high-temperature environments.

AC Input Prohibition: Never connect to 220V AC power (DC input only).

Fire/Heat Exposure: Do not expose to fire or external heating.

Short-Circuit Risk: Avoid shorting terminals with metal objects or wires.

Unauthorized Repair: Disassembly by non-professionals is strictly prohibited.

4. Performance Testing

Input Voltage Compliance: Verify stable 5V output across 8-32V input range.

Efficiency Validation: Test at 12V/24V input with 3A load (efficiency ≥95%).

Thermal Stability: Monitor temperature rise ≤15℃ at full load (ambient 35℃).

5. Applications

IoT Devices (5V sensors, Raspberry Pi)

Automotive Accessories (12V/24V to 5V USB charging)

Low-Power Industrial Systems