DC 5V-35V auf 1,25-30V 3A Stepdown
9,90 €
inkl. MwSt., zzgl. Versand
Auf Lager
Beschreibung
Eingang: 5V-35V
Ausgang: 1,25V-35V (per Poti regelbar)
Strom: Max. 3A (per Poti regelbar)
Eingang: 5V-35V
Ausgang: 1,25V-35V (per Poti regelbar)
Strom: Max. 3A (per Poti regelbar)
This module
is adjustable 5-35V to 1.25-30V step-down module, using the LM2596 chip, can be
easily up to 3A current, It is a very good constant current led driver.
Feature:
- Modules nature: Non-isolated Buck, Constant Current, Constant Voltage
- Rectification: Non-synchronous rectification
- Input voltage: DC 5-35V
- Output voltage: DC 1.25-30V, the Input voltage Must Higher 2V than output Voltage
- Output current: 3A (Adjustable)
- Power: If power greater than 10W, please install HEATSINK
- Conversion efficiency: 92% (MAX)
- Switching frequency: 150KHz
- Output ripple: 50mV (max), 20M Bandwidth
- Load regulation: ± 0.5%
- Voltage regulation: ± 2.5%
- Operating Temperature: -40 ° C to +85 ° C
- Dimension: 48 x 23 x 14 mm
Some Applications:
- Rechargeable lithium-ion battery:
- Drive high power LEDs
- Charging curve as shown below: red for the current, blue for voltage
Battery Charging method:
- 1. Make sure the recharge battery float voltage and charge current, input voltage of the module.
- 2. adjust constant voltage regulator, the output voltage about 5V.
- 3. With a multimeter ( to 10A) Measuring output Short-circuit current, Also adjust the constant regulator allows Output current reaches a predetermined charge current value;
- 4. Adjust Constant regulator allows Output voltage reaches the float voltage;
- 5. connected to the battery, try charging.
- (1,2,3,4 step input connect power, output do not connect battery.)
LED constant current driver Usage:
- 1. Make sure LED current and the maximum operating voltage;
- 2. adjust constant voltage regulator, the output voltage about 5V.
- 3. With a multimeter ( to 10A) Measuring output Short-circuit current, Also adjust the constant regulator allows Output current reaches a predetermined LED working current value;
- 4. Adjust Constant regulator allows Output voltage Reach LED maximum working voltage;
- 5. Connected to the LED, test.
- (1,2,3,4 take steps input connect power, output do not connected LED.)
Package includes:
- 1x DC Converter